$Id: content.txt,v 2.15 2006/07/26 16:41:34 arots Exp arots $ --------------------------------------------------------------- -- G U I D E T O C H A N D R A D A T A P R O D U C T S -- --------------------------------------------------------------- ------------------------- -- c o n t e n t . t x t -- ------------------------- This is the file content.txt that presents a comprehensive compilation of all classes of data products in the Chandra Data Archive for the "flight" dataset. This file is the definitive authority on the values of various FITS header keywords. All files are identified by the CONTENT value of their principal HDUs. Columns: Level Pipeline level that produced the product A "P" indicates potential proprietary status A "X" indicates potential proprietary status - permanently blocked for non-privileged users/by special request only A "E" indicates EPHIN team proprietary - permanently blocked A "S" indicates that the product is generated by source A "-" indicates not implemented Instrument INSTRUME value; also (in lower case) the first component of the file name Data product Brief description of the data product HDU name Value of EXTNAME and HDUNAME; the latter may be a concatenation of EXTNAME and EXTVER (see ASC-FITS) CONTENT CONTENT value; unique at any given time (assuming only one science instrument in the focal plane) Pipeline Pipeline that generates the product Type The component of the filename before "processing level", referred to as "contents" HDUCLASS HDUCLASS value HDUCLAS1 HDUCLAS1 value HDUCLAS2 HDUCLAS2 value (if applicable) HDUCLAS3 HDUCLAS3 value (if applicable) The table is divided into three parts: Primary Products, Secondary Products, and Supporting Products. The standard distribution will only include the first two categories. Supporting products may be retrieved on an individual basis. The list of pipelines and their codes is: TP L0 Telemetry processing EPHIN0 L0 EPHIN extractor ENG0 L0 Engineering extractor SIM0 L0 SIM extractor (technically, SIM-A and SIM-B) ACIS0 L0 ACIS extractor HRC0 L0 HRC extractor ACAI L0 ACA-I extractor (the "regular" aspect pipeline) ACAC L0 ACA-C extractor (for the calibration telemetry) EPHEM0 L0 Ephemeris (predictive) ASP0.5 L0.5 Aspect OBIDET L0.5 ObiDet SIM0.5 L0.5 SIM ACIS0.5 L0.5 ACIS HRC0.5 L0.5 HRC ACIS1 L1 ACIS HRC1 L1 HRC ASP1 L1 Aspect EPHIN1 L1 EPHIN TEL1 L1 TEL EPHEM1 L1 Ephemeris (definitive) TG1.5 L1.5 TGrating TGCC1.5 (TG1.5) L1.5 TG ACIS CC ACISCC2 (ACIS2) L2 ACIS CC ACISTE2 (ACIS2) L2 ACIS TE HRC2 L2 HRC TGCC2 (TG2) L2 TG ACIS CC TGTE2 (TG2) L2 TG ACIS TE TGHRC2 (TG2) L2 TG HRC L3 L3 CSC For reference, the standard FITS header components from ASC-FITS and the memo detailing the file naming convention are attached to this document. L3 PRODUCTS =========== * multiple bands (may be different for different sets of products) ** broad band only Level Instrum Data product HDU name CONTENT Pipel. Type HDUCLASS HDUCLAS1 HDUCLAS2 HDUCLAS3 ---------------------------------------------------------------------------------------------------------------------------------------- By OBI L3 ACIS Events EVENTS EVT3 L3 evt OGIP EVENTS ACCEPTED L3 HRC Events EVENTS EVT3 L3 evt OGIP EVENTS ACCEPTED L3 ACIS Asp offset hist ASPHIST ASPHIST L3 ahst ASC ARRAY HISTOGRAM L3 HRC Asp offset hist ASPHIST ASPHIST L3 ahst ASC ARRAY HISTOGRAM L3 ACIS Bad Pix BADPIX BADPIX3 L3 bpix ASC REGION BADPIX L3 HRC Bad Pix BADPIX BADPIX3 L3 bpix ASC REGION BADPIX L3* ACIS Exposure map EXPMAP EXPMAP L3 exp OGIP IMAGE EXPOSURE L3 HRC Exposure map EXPMAP EXPMAP L3 exp OGIP IMAGE EXPOSURE L3* ACIS Sensitivity map SENSITY SENSITY L3 sens ASC IMAGE SENSITIVITY L3 HRC Sensitivity map SENSITY SENSITY L3 sens ASC IMAGE SENSITIVITY L3** ACIS Exp-corr. img IMAGE ECORRIMG L3 img OGIP IMAGE NET L3 HRC Exp-corr. img IMAGE ECORRIMG L3 img OGIP IMAGE NET L3 ACIS Exp-corr. (tricol jpg) ECORRIMG_JPG L3 img L3 HRC Exp-corr. (jpg) ECORRIMG_JPG L3 img L3** ACIS Background img IMAGE BKGIMG L3 bkgimg OGIP IMAGE BKG L3 HRC Background img IMAGE BKGIMG L3 bkgimg OGIP IMAGE BKG L3 ACIS Field of view FOV FOV3 L3 fov ASC REGION FOV L3 HRC Field of view FOV FOV3 L3 fov ASC REGION FOV By source L3 S ACIS Region events EVENTS REGEVT3 L3 regevt OGIP EVENTS ACCEPTED L3 S HRC Region events EVENTS REGEVT3 L3 regevt OGIP EVENTS ACCEPTED L3 S ACIS Source region SRCREG SRCREG L3 srcreg ASC REGION SRC L3 S HRC Source region SRCREG SRCREG L3 srcreg ASC REGION SRC L3 S ACIS Backgr. region BKGREG BKGREG L3 bkgreg ASC REGION BKG L3 S HRC Backgr. region BKGREG BKGREG L3 bkgreg ASC REGION BKG L3* S ACIS Exposure map EXPMAP REGEXPMAP L3 regexp OGIP IMAGE EXPOSURE L3 S HRC Exposure map EXPMAP REGEXPMAP L3 regexp OGIP IMAGE EXPOSURE L3 S ACIS Spectrum SPECTRUM SPECTRUM L3 pha OGIP SPECTRUM TOTAL COUNT L3 S ACIS Redistr. matrix RSP_MATRIX RMF L3 rmf OGIP RESPONSE RSP_MATRIX REDIST EBOUNDS OGIP RESPONSE EBOUNDS L3 S ACIS Ancil resp file SPECRESP ARF L3 arf OGIP RESPONSE SPECRESP L3* S ACIS Light curve LIGHTCURVE LIGHTCURVE L3 lc ASC LIGHTCURVE TOTAL L3 S HRC Light curve LIGHTCURVE LIGHTCURVE L3 lc ASC LIGHTCURVE TOTAL L3* S ACIS PSF PSF PSF L3 psf OGIP IMAGE PSF PREDICTED L3 S HRC PSF PSF PSF L3 psf OGIP IMAGE PSF PREDICTED L3* S ACIS PSF (jpg) PSF_JPG L3 psf L3 S HRC PSF (jpg) PSF_JPG L3 psf L3* S ACIS Region image IMAGE REGIMG L3 regimg OGIP IMAGE TOTAL L3 S HRC Region image IMAGE REGIMG L3 regimg OGIP IMAGE TOTAL L3* S ACIS Reg img (jpg) REGIMG_JPG L3 regimg L3 S HRC Reg img (jpg) REGIMG_JPG L3 regimg L3 S ACIS Reg img (tricol jpg) REG3IMG_JPG L3 reg3img PRIMARY PRODUCTS ================ Level Instrum Data product HDU name CONTENT Pipel. Type HDUCLASS HDUCLAS1 HDUCLAS2 HDUCLAS3 ---------------------------------------------------------------------------------------------------------------------------------------- L2 P ACIS Events EVENTS EVT2 ACIS2 evt OGIP EVENTS ACCEPTED L2 P HRC Events EVENTS EVT2 HRC2 evt OGIP EVENTS ACCEPTED L2 P ACIS TG Events EVENTS EVT2 TG2 evt OGIP EVENTS ACCEPTED RESOLVED L2 P HRC TG Events EVENTS EVT2 TG2 evt OGIP EVENTS ACCEPTED RESOLVED L2 P ACIS Sky image IMAGE LORESIMG ACIS2 img OGIP IMAGE TOTAL L2 P HRC Sky image IMAGE LORESIMG HRC2 img OGIP IMAGE TOTAL L2 P ACIS Sky image IMAGE HIRESIMG ACIS2 img OGIP IMAGE TOTAL L2 P HRC Sky image IMAGE HIRESIMG HRC2 img OGIP IMAGE TOTAL L2 P ACIS Source list SRCLIST SRC ACIS2 src OGIP SRCLIST L2 P HRC Source list SRCLIST SRC HRC2 src OGIP SRCLIST L1 ACIS Field of view FOV FOV ACIS1 fov ASC REGION FOV L1 HRC Field of view FOV FOV HRC1 fov ASC REGION FOV L1 PCAD Aspect solution ASPSOL ASPSOL ASP1 asol ASC TEMPORALDATA ASPSOL L1 P HRC Livetime DTF DTF HRC1 dtf ASC TEMPORALDATA DTCOR L1 ACIS Bad Pix BADPIX BADPIX ACIS1 bpix ASC REGION BADPIX L1 Orbit Orbit ephemeris ORBITEPHEM ORBITEPHEM1 EPHEM1 eph OGIP TEMPORALDATA EPHEM DEFINITIVE L1 Solar MT ephemeris MT_EPHEM MT_EPHEM - eph OGIP TEMPORALDATA EPHEM L2 P AXAF V&V report (VVReport) VVRPT VV vv (PDF) L2 P ACIS Sky image (jpg) (summary) LORESIMG_JPG ACIS2 img L2 P HRC Sky image (jpg) (summary) LORESIMG_JPG HRC2 img L2 P ACIS Sky image (jpg) (summary) HIRESIMG_JPG ACIS2 img L2 P HRC Sky image (jpg) (summary) HIRESIMG_JPG HRC2 img L2 P ACIS Source img(jpg) (summary) SRCIMG_JPG ACIS2 img L2 P HRC Source img(jpg) (summary) SRCIMG_JPG HRC2 img L2 P ACIS Spectrum SPECTRUM SPECTRUM TG2 pha OGIP SPECTRUM TOTAL COUNT L2 P HRC Spectrum SPECTRUM SPECTRUM TG2 pha OGIP SPECTRUM TOTAL COUNT L2 P ACIS Spectrum (jpg) (summary) HEGPLT_JPG TG2 plt L2 P ACIS Spectrum (jpg) (summary) MEGPLT_JPG TG2 plt L2 P ACIS Spectrum (jpg) (summary) LEGPLT_JPG TG2 plt L2 P HRC Spectrum (jpg) (summary) HEGPLT_JPG TG2 plt L2 P HRC Spectrum (jpg) (summary) MEGPLT_JPG TG2 plt L2 P HRC Spectrum (jpg) (summary) LEGPLT_JPG TG2 plt L2 P- ACIS Spect.line list SLINELIST SLINELIST TG2 lin ASC SLINELIST L2 P- HRC Spect.line list SLINELIST SLINELIST TG2 lin ASC SLINELIST L2 P- AXAF Summary SUMMARY SUMMARY AXAF2 sum ASC CONFIG ALL L2 P ACIS Summary1 (html) (summary) SUM1_HTML ACIS2 sum L2 P ACIS Summary2 (html) (summary) SUM2_HTML ACIS2 sum L2 P ACIS Summary3 (html) (summary) SUM3_HTML ACIS2 sum L2 P HRC Summary1 (html) (summary) SUM1_HTML HRC2 sum L2 P HRC Summary2 (html) (summary) SUM2_HTML HRC2 sum L2 P HRC Summary3 (html) (summary) SUM3_HTML HRC2 sum SECONDARY PRODUCTS ================== Level Instrum Data product HDU name CONTENT Pipel. Type HDUCLASS HDUCLAS1 HDUCLAS2 HDUCLAS3 ---------------------------------------------------------------------------------------------------------------------------------------- L1 P ACIS Events EVENTS EVT1 ACIS1 evt OGIP EVENTS ALL L1 P HRC Events EVENTS EVT1 HRC1 evt OGIP EVENTS ALL L1 ACIS GTI FILTER GTI ACIS1 flt ASC FILTER L1 HRC GTI FILTER GTI HRC1 flt ASC FILTER L1 P ACIS Mission Timlin MTL MTL ACIS1 mtl OGIP TEMPORALDATA TSI L1 P HRC Mission Timlin MTL MTL HRC1 mtl OGIP TEMPORALDATA TSI L1 ACIS Smoothed MTL MTL_S MTL ACIS1 mtl OGIP TEMPORALDATA TSI SMOOTHED L1 HRC Smoothed MTL MTL_S MTL HRC1 mtl OGIP TEMPORALDATA TSI SMOOTHED L1 PCAD Aspect quality ASPQUAL ASPQUAL ASP1 aqual ASC TEMPORALDATA ASPQUAL L1 PCAD OBC aspect sol. ASPSOL OBCSOL ASP1 osol ASC TEMPORALDATA ASPSOL L1 HRC Livetime stats DTFSTATS DTFSTATS HRC1 dtfstat ASC DTFSTATS L1 HRC Mask MASK MSK HRC1 msk ASC REGION MASK L1 HRC Bad Pix BADPIX BADPIX HRC1 bpix ASC REGION BADPIX L1 ACIS Bias BIAS BIAS1 ACIS1 bias ASC IMAGE BIAS L1 P ACIS Exp. Stats EXPSTATS EXPSTATS ACIS1 stat ASC TEMPORALDATA EXPOSURES L1 ACIS Mask MASK MSK ACIS1 msk ASC REGION MASK L1 ACIS Alignm. offsets ALIGN ALIGNMOFFS ACIS1 soff ASC TEMPORALDATA ALIGNMENT L1 HRC Alignm. offsets ALIGN ALIGNMOFFS HRC1 soff ASC TEMPORALDATA ALIGNMENT L1 ACIS Aspect offsets ASPOFF ASPOFFS ACIS1 aoff ASC TEMPORALDATA ASPOFF L1 HRC Aspect offsets ASPOFF ASPOFFS HRC1 aoff ASC TEMPORALDATA ASPOFF L1 Solar Solar ephemeris SOLAREPHEM SOLAREPHEM1 EPHEM1 eph OGIP TEMPORALDATA EPHEM L1 Lunar Lunar ephemeris LUNAREPHEM LUNAREPHEM1 EPHEM1 eph OGIP TEMPORALDATA EPHEM L1 Angles Viewing angles ANGLES ANGLEEPHEM EPHEM1 eph ASC TEMPORALDATA ANGLES L2 P AXAF V&V reference (VVReference) VVREF VV vvref (PDF) L0 ACIS Bias BIAS BIAS0 ACIS0 bias ASC IMAGE BIAS L0 ACIS Parameter Blk PBK PBK ACIS0 pbk ASC CONFIG PARAMBLOCK SUPPORTING PRODUCTS =================== Level Instrum Data product HDU name CONTENT Pipel. Type HDUCLASS HDUCLAS1 HDUCLAS2 HDUCLAS3 ---------------------------------------------------------------------------------------------------------------------------------------- L1.5 P ACIS TG Events EVENTS TGEVT1 TG1.5 evt OGIP EVENTS ALL RESOLVED L1.5 P HRC TG Events EVENTS TGEVT1 TG1.5 evt OGIP EVENTS ALL RESOLVED L1.5 P ACIS TG Source list SRCLIST TGSRC TG1.5 tgsrc OGIP SRCLIST L1.5 P HRC TG Source list SRCLIST TGSRC TG1.5 tgsrc OGIP SRCLIST L0.5 PCAD OBI aspect intv ASPLOOK OBIGTI_ASP OBIDET egti ASC GTI EXTENDED L0.5 CCDM OBI ObsId intv OBI_OBSID OBIGTI_ENG OBIDET egti ASC GTI EXTENDED L0.5 SIM OBI SIM intv SIMLOOK OBIGTI_SIM OBIDET egti ASC GTI EXTENDED L0.5 HRC OBI HRC intv HRCLOOK OBIGTI_HRC OBIDET egti ASC GTI EXTENDED L0.5 ACIS OBI ACIS intv ACISLOOK OBIGTI_ACIS OBIDET egti ASC GTI EXTENDED L0.5 AXAF OBI merged intv OBIGTI OBIGTI OBIDET egti ASC GTI EXTENDED L0.5 AXAF OBI limits file LIMITS OBILIMITS OBIDET olims ASC LIMITS L1 Angles OBC Viewing ang ANGLES OANGLEEPHEM EPHEM1 eph ASC TEMPORALDATA ANGLES L0 Orbit Orbit ephemeris ORBITEPHEM ORBITEPHEM0 EPHEM0 eph OGIP TEMPORALDATA EPHEM PREDICTIVE L0 Solar Solar ephemeris SOLAREPHEM SOLAREPHEM0 EPHEM0 eph OGIP TEMPORALDATA EPHEM L0 Lunar Lunar ephemeris LUNAREPHEM LUNAREPHEM0 EPHEM0 eph OGIP TEMPORALDATA EPHEM L0 X ACIS Events EVENTS EVT0 ACIS0 evt OGIP EVENTS ALL L0 X HRC Events EVENTS EVT0 HRC0 evt OGIP EVENTS ALL L0.5 P HRC Events EVENTS EVT0_5 HRC0.5 evt OGIP EVENTS ALL L0 AXAF Telemetry gaps TLM_GAP TLM_GAP TP tgap ASC TEMPORALDATA TLM_GAP L0 HRC HK Raw HSKPNG HRCHK_TU HRC0 hkp ASC TEMPORALDATA HKP RAW L0 HRC HK HSKPNG HRCHK HRC0 hkp ASC TEMPORALDATA HKP L0 X HRC Sec. Sci SSCIENCE HRCSS HRC0 ss OGIP LIGHTCURVE TOTAL COUNT L0.5 P HRC Sec. Sci SSCIENCE HRCSS0_5 HRC0.5 ss OGIP LIGHTCURVE TOTAL COUNT L2 P HRC Summary1 (ps) (summary) SUM1_PS HRC2 sum L0 X ACIS Exposure EXR EXR ACIS0 exr ASC TEMPORALDATA EXPOSURES L0 X ACIS Raw Image IMAGE IMG0 ACIS0 img OGIP IMAGE TOTAL L0 ACIS Window WIN WIN ACIS0 win ASC CONFIG WINDOWBLOCK L0 ACIS Science Report SRR SRR ACIS0 srr ASC CONFIG SCIRUNREP L0 ACIS SciRunProdSumm SRPSUM SRPSUM ACIS0 srp ASC CONFIG SCIRUNSUM L0 ACIS Bias Error BERR BERR ACIS0 berr ASC TEMPORALDATA BIASERROR L0 ACIS Histogram HISTOGR HISTOGR ACIS0 hist ASC ARRAY HISTOGRAM L0 ACIS DEA raw Housek DEAHKP ACISDEAHK_TU ACIS0 hkp ASC TEMPORALDATA HKP RAW L0 ACIS DEA Housek DEAHKP ACISDEAHK ACIS0 hkp ASC TEMPORALDATA HKP L0 ACIS SW Housek SWHKP ACISSWHK ACIS0 swhkp ASC TEMPORALDATA HKP L0 ACIS System Cfg SYS ACISSYS ACIS0 sys ASC CONFIG SYSCONFIG L0 ACIS Memory Dump MEMDUMP ACISMEM ACIS0 mem ASC CONFIG MEMDUMP L0.5 P ACIS Events EVENTS EVT0_5 ACIS0.5 evt OGIP EVENTS ALL L0.5 ACIS Exposure EXR EXR0_5 ACIS0.5 exr ASC TEMPORALDATA EXPOSURES L1 P- ACIS Summary SUMMARY ACIS_SUMMARY ACIS1 sum ASC CONFIG ACIS L2 P ACIS Summary1 (ps) (summary) SUM1_PS ACIS2 sum L0 E EPHIN Histo EPHHIST1 EPHHIST EPHIN0 hist ASC TEMPORALDATA SPECTRUM L0 E EPHIN HK EPHHKDTC EPHHK EPHIN0 hkp OGIP TEMPORALDATA HKP L0 E EPHIN EIO EPHEIO EPHEIO EPHIN0 eio OGIP TEMPORALDATA HKP L0 E EPHIN Packed pha EPHPHA EPHPHA EPHIN0 ppha ASC TEMPORALDATA HKP L0 E EPHIN TLM EPHTLMBLK EPHTLM EPHIN0 TU_tlm ASC TEMPORALDATA TLM RAW L1 E EPHIN EPHIN clean HKP EPHHKDTC_CLN EPHHK_CLN EPHIN1 hkp OGIP TEMPORALDATA HKP CLEAN L1 E EPHIN EPHIN rates EPHRATES EPHRATES EPHIN1 lc OGIP TEMPORALDATA EVRATE L0 SIM SEA raw tlm AXAF_SIM SIM_TU SIM0 tlm OGIP TEMPORALDATA TLM RAW L0 SIM SEA cal tlm AXAF_SIM SIM SIM0 tlm OGIP TEMPORALDATA TLM L0 SIM SEA diagn array AXAF_SIMDIAG SIMDIAG SIM0 diag OGIP TEMPORALDATA HKP L0 SIM SEA memory dump AXAF_SIMMEM SIMMEM SIM0 mem OGIP TEMPORALDATA HKP L0.5 SIM SEA merged tlm AXAF_SIM SIM_MRG SIM0.5 tlm OGIP TEMPORALDATA TLM L0.5 SIM SIM coords AXAF_SIMCOOR SIMCOOR SIM0.5 coor ASC TEMPORALDATA HKP COOR L0 PCAD Raw ACA images ACADATA ACAIMG_TU ACAI adat ASC TEMPORALDATA ACADATA RAW L0 PCAD Cal ACA images ACADATA ACAIMG ACAC adat ASC TEMPORALDATA ACADATA L0 PCAD ACA Memory Dump MEMDUMP ACAMEM ACAI mem ASC CONFIG MEMDUMP L0 PCAD ACA Cal dump ACADUMP ACADUMP ACAC cal OGIP TEMPORALDATA HKP L0.5 PCAD AI properties AIPROPS AIPROPS ASP0.5 aipr ASC CHAR AIPROPS L1 PCAD GS properties GSPROPS GSPROPS ASP1 gspr ASC CHAR GSPROPS L1 PCAD FID properties FIDPROPS FIDPROPS ASP1 fidpr ASC CHAR FIDPROPS L1 PCAD Aspect data ACADATA ACADATA ASP1 adat ASC TEMPORALDATA ACADATA L1 PCAD Gyro data GYRODATA GYRODATA ASP1 gdat ASC TEMPORALDATA GYRODATA L1 PCAD Aspect cal ACACAL ACACAL ASP1 acal ASC CORRECTION ACACAL L1 PCAD Gyro cal GYROCAL GYROCAL ASP1 gcal ASC CORRECTION GYROCAL L1 PCAD Kalman KALMAN KALMAN ASP1 kalm ASC TEMPORALDATA KALMAN L1 PCAD Asp. centroids ACACENT ACACENT ASP1 acen ASC TEMPORALDATA ACACENT L1 PCAD Bad Pix ACA_BADPIX ACA_BADPIX ASP1 bpix ASC REGION BADPIX L1 TEL HRMA temps HRMATMP HRMATMP TEL1 hkp OGIP TEMPORALDATA HKP L0 ACIS ACIS2 eng'ring AXAF_ACIS ACIS2ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 ACIS ACIS2 eng'ring AXAF_ACIS ACIS2ENG ENG0 eng OGIP TEMPORALDATA HKP L0 ACIS ACIS3 eng'ring AXAF_ACIS ACIS3ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 ACIS ACIS3 eng'ring AXAF_ACIS ACIS3ENG ENG0 eng OGIP TEMPORALDATA HKP L0 ACIS ACIS4 eng'ring AXAF_ACIS ACIS4ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 ACIS ACIS4 eng'ring AXAF_ACIS ACIS4ENG ENG0 eng OGIP TEMPORALDATA HKP L0 CCDM CCDM1 eng'ring AXAF_CCDM CCDM1ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 CCDM CCDM1 eng'ring AXAF_CCDM CCDM1ENG ENG0 eng OGIP TEMPORALDATA HKP L0 CCDM CCDM2 eng'ring AXAF_CCDM CCDM2ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 CCDM CCDM2 eng'ring AXAF_CCDM CCDM2ENG ENG0 eng OGIP TEMPORALDATA HKP L0 CCDM CCDM3 eng'ring AXAF_CCDM CCDM3ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 CCDM CCDM3 eng'ring AXAF_CCDM CCDM3ENG ENG0 eng OGIP TEMPORALDATA HKP L0 CCDM CCDM4 eng'ring AXAF_CCDM CCDM4ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 CCDM CCDM4 eng'ring AXAF_CCDM CCDM4ENG ENG0 eng OGIP TEMPORALDATA HKP L0 CCDM CCDM5 eng'ring AXAF_CCDM CCDM5ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 CCDM CCDM5 eng'ring AXAF_CCDM CCDM5ENG ENG0 eng OGIP TEMPORALDATA HKP L0 CCDM CCDM7 eng'ring AXAF_CCDM CCDM7ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 CCDM CCDM7 eng'ring AXAF_CCDM CCDM7ENG ENG0 eng OGIP TEMPORALDATA HKP L0 CCDM CCDM8 eng'ring AXAF_CCDM CCDM8ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 CCDM CCDM8 eng'ring AXAF_CCDM CCDM8ENG ENG0 eng OGIP TEMPORALDATA HKP L0 CCDM CCDM9 eng'ring AXAF_CCDM CCDM9ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 CCDM CCDM9 eng'ring AXAF_CCDM CCDM9ENG ENG0 eng OGIP TEMPORALDATA HKP L0 CCDM CCDM10 eng'ring AXAF_CCDM CCDM10ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 CCDM CCDM10 eng'ring AXAF_CCDM CCDM10ENG ENG0 eng OGIP TEMPORALDATA HKP L0 CCDM CCDM11 eng'ring AXAF_CCDM CCDM11ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 CCDM CCDM11 eng'ring AXAF_CCDM CCDM11ENG ENG0 eng OGIP TEMPORALDATA HKP L0 CCDM CCDM12 eng'ring AXAF_CCDM CCDM12ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 CCDM CCDM12 eng'ring AXAF_CCDM CCDM12ENG ENG0 eng OGIP TEMPORALDATA HKP L0 CCDM CCDM13 eng'ring AXAF_CCDM CCDM13ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 CCDM CCDM13 eng'ring AXAF_CCDM CCDM13ENG ENG0 eng OGIP TEMPORALDATA HKP L0 CCDM CCDM14 eng'ring AXAF_CCDM CCDM14ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 CCDM CCDM14 eng'ring AXAF_CCDM CCDM14ENG ENG0 eng OGIP TEMPORALDATA HKP L0 CCDM CCDM15 eng'ring AXAF_CCDM CCDM15ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 CCDM CCDM15 eng'ring AXAF_CCDM CCDM15ENG ENG0 eng OGIP TEMPORALDATA HKP L0 CPE CPE1 eng'ring AXAF_CPE CPE1ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 CPE CPE1 eng'ring AXAF_CPE CPE1ENG ENG0 eng OGIP TEMPORALDATA HKP L0 EPHIN EPHIN1 eng'ring AXAF_EPHIN EPHIN1ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 EPHIN EPHIN1 eng'ring AXAF_EPHIN EPHIN1ENG ENG0 eng OGIP TEMPORALDATA HKP L0 EPHIN EPHIN2 eng'ring AXAF_EPHIN EPHIN2ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 EPHIN EPHIN2 eng'ring AXAF_EPHIN EPHIN2ENG ENG0 eng OGIP TEMPORALDATA HKP L0 EPS EPS1 eng'ring AXAF_EPS EPS1ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 EPS EPS1 eng'ring AXAF_EPS EPS1ENG ENG0 eng OGIP TEMPORALDATA HKP L0 EPS EPS2 eng'ring AXAF_EPS EPS2ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 EPS EPS2 eng'ring AXAF_EPS EPS2ENG ENG0 eng OGIP TEMPORALDATA HKP L0 EPS EPS3 eng'ring AXAF_EPS EPS3ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 EPS EPS3 eng'ring AXAF_EPS EPS3ENG ENG0 eng OGIP TEMPORALDATA HKP L0 EPS EPS4 eng'ring AXAF_EPS EPS4ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 EPS EPS4 eng'ring AXAF_EPS EPS4ENG ENG0 eng OGIP TEMPORALDATA HKP L0 EPS EPS5 eng'ring AXAF_EPS EPS5ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 EPS EPS5 eng'ring AXAF_EPS EPS5ENG ENG0 eng OGIP TEMPORALDATA HKP L0 EPS EPS6 eng'ring AXAF_EPS EPS6ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 EPS EPS6 eng'ring AXAF_EPS EPS6ENG ENG0 eng OGIP TEMPORALDATA HKP L0 EPS EPS7 eng'ring AXAF_EPS EPS7ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 EPS EPS7 eng'ring AXAF_EPS EPS7ENG ENG0 eng OGIP TEMPORALDATA HKP L0 EPS EPS9 eng'ring AXAF_EPS EPS9ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 EPS EPS9 eng'ring AXAF_EPS EPS9ENG ENG0 eng OGIP TEMPORALDATA HKP L0 EPS EPS10 eng'ring AXAF_EPS EPS10ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 EPS EPS10 eng'ring AXAF_EPS EPS10ENG ENG0 eng OGIP TEMPORALDATA HKP L0 HRC HRC2 eng'ring AXAF_HRC HRC2ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 HRC HRC2 eng'ring AXAF_HRC HRC2ENG ENG0 eng OGIP TEMPORALDATA HKP L0 HRC HRC3 eng'ring AXAF_HRC HRC3ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 HRC HRC3 eng'ring AXAF_HRC HRC3ENG ENG0 eng OGIP TEMPORALDATA HKP L0 HRC HRC4 eng'ring AXAF_HRC HRC4ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 HRC HRC4 eng'ring AXAF_HRC HRC4ENG ENG0 eng OGIP TEMPORALDATA HKP L0 HRC HRC5 eng'ring AXAF_HRC HRC5ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 HRC HRC5 eng'ring AXAF_HRC HRC5ENG ENG0 eng OGIP TEMPORALDATA HKP L0 HRC HRC6 eng'ring AXAF_HRC HRC6ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 HRC HRC6 eng'ring AXAF_HRC HRC6ENG ENG0 eng OGIP TEMPORALDATA HKP L0 HRC HRC7 eng'ring AXAF_HRC HRC7ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 HRC HRC7 eng'ring AXAF_HRC HRC7ENG ENG0 eng OGIP TEMPORALDATA HKP L0 MISC MISC1 eng'ring AXAF_MISC MISC1ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 MISC MISC1 eng'ring AXAF_MISC MISC1ENG ENG0 eng OGIP TEMPORALDATA HKP L0 MISC MISC2 eng'ring AXAF_MISC MISC2ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 MISC MISC2 eng'ring AXAF_MISC MISC2ENG ENG0 eng OGIP TEMPORALDATA HKP L0 MISC MISC3 eng'ring AXAF_MISC MISC3ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 MISC MISC3 eng'ring AXAF_MISC MISC3ENG ENG0 eng OGIP TEMPORALDATA HKP L0 MISC MISC4 eng'ring AXAF_MISC MISC4ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 MISC MISC4 eng'ring AXAF_MISC MISC4ENG ENG0 eng OGIP TEMPORALDATA HKP L0 MISC MISC5 eng'ring AXAF_MISC MISC5ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 MISC MISC5 eng'ring AXAF_MISC MISC5ENG ENG0 eng OGIP TEMPORALDATA HKP L0 MISC MISC6 eng'ring AXAF_MISC MISC6ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 MISC MISC6 eng'ring AXAF_MISC MISC6ENG ENG0 eng OGIP TEMPORALDATA HKP L0 MISC MISC7 eng'ring AXAF_MISC MISC7ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 MISC MISC7 eng'ring AXAF_MISC MISC7ENG ENG0 eng OGIP TEMPORALDATA HKP L0 MISC MISC8 eng'ring AXAF_MISC MISC8ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 MISC MISC8 eng'ring AXAF_MISC MISC8ENG ENG0 eng OGIP TEMPORALDATA HKP L0 OBC OBC1 eng'ring AXAF_OBC OBC1ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 OBC OBC1 eng'ring AXAF_OBC OBC1ENG ENG0 eng OGIP TEMPORALDATA HKP L0 OBC OBC2 eng'ring AXAF_OBC OBC2ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 OBC OBC2 eng'ring AXAF_OBC OBC2ENG ENG0 eng OGIP TEMPORALDATA HKP L0 OBC OBC3 eng'ring AXAF_OBC OBC3ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 OBC OBC3 eng'ring AXAF_OBC OBC3ENG ENG0 eng OGIP TEMPORALDATA HKP L0 OBC OBC4 eng'ring AXAF_OBC OBC4ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 OBC OBC4 eng'ring AXAF_OBC OBC4ENG ENG0 eng OGIP TEMPORALDATA HKP L0 OBC OBC5 eng'ring AXAF_OBC OBC5ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 OBC OBC5 eng'ring AXAF_OBC OBC5ENG ENG0 eng OGIP TEMPORALDATA HKP L0 OBC OBC6 eng'ring AXAF_OBC OBC6ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 OBC OBC6 eng'ring AXAF_OBC OBC6ENG ENG0 eng OGIP TEMPORALDATA HKP L0 PCAD PCAD3 eng'ring AXAF_PCAD PCAD3ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 PCAD PCAD3 eng'ring AXAF_PCAD PCAD3ENG ENG0 eng OGIP TEMPORALDATA HKP L0 PCAD PCAD4 eng'ring AXAF_PCAD PCAD4ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 PCAD PCAD4 eng'ring AXAF_PCAD PCAD4ENG ENG0 eng OGIP TEMPORALDATA HKP L0 PCAD PCAD5 eng'ring AXAF_PCAD PCAD5ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 PCAD PCAD5 eng'ring AXAF_PCAD PCAD5ENG ENG0 eng OGIP TEMPORALDATA HKP L0 PCAD PCAD6 eng'ring AXAF_PCAD PCAD6ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 PCAD PCAD6 eng'ring AXAF_PCAD PCAD6ENG ENG0 eng OGIP TEMPORALDATA HKP L0 PCAD PCAD7 eng'ring AXAF_PCAD PCAD7ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 PCAD PCAD7 eng'ring AXAF_PCAD PCAD7ENG ENG0 eng OGIP TEMPORALDATA HKP L0 PCAD PCAD8 eng'ring AXAF_PCAD PCAD8ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 PCAD PCAD8 eng'ring AXAF_PCAD PCAD8ENG ENG0 eng OGIP TEMPORALDATA HKP L0 PCAD PCAD9 eng'ring AXAF_PCAD PCAD9ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 PCAD PCAD9 eng'ring AXAF_PCAD PCAD9ENG ENG0 eng OGIP TEMPORALDATA HKP L0 PCAD PCAD10 eng'ring AXAF_PCAD PCAD10ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 PCAD PCAD10 eng'ring AXAF_PCAD PCAD10ENG ENG0 eng OGIP TEMPORALDATA HKP L0 PCAD PCAD11 eng'ring AXAF_PCAD PCAD11ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 PCAD PCAD11 eng'ring AXAF_PCAD PCAD11ENG ENG0 eng OGIP TEMPORALDATA HKP L0 PCAD PCAD12 eng'ring AXAF_PCAD PCAD12ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 PCAD PCAD12 eng'ring AXAF_PCAD PCAD12ENG ENG0 eng OGIP TEMPORALDATA HKP L0 PCAD PCAD13 eng'ring AXAF_PCAD PCAD13ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 PCAD PCAD13 eng'ring AXAF_PCAD PCAD13ENG ENG0 eng OGIP TEMPORALDATA HKP L0 PCAD PCAD14 eng'ring AXAF_PCAD PCAD14ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 PCAD PCAD14 eng'ring AXAF_PCAD PCAD14ENG ENG0 eng OGIP TEMPORALDATA HKP L0 PCAD PCAD15 eng'ring AXAF_PCAD PCAD15ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 PCAD PCAD15 eng'ring AXAF_PCAD PCAD15ENG ENG0 eng OGIP TEMPORALDATA HKP L0 PCAD PCAD16 eng'ring AXAF_PCAD PCAD16ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 PCAD PCAD16 eng'ring AXAF_PCAD PCAD16ENG ENG0 eng OGIP TEMPORALDATA HKP L0 PCAD PCAD17 eng'ring AXAF_PCAD PCAD17ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 PCAD PCAD17 eng'ring AXAF_PCAD PCAD17ENG ENG0 eng OGIP TEMPORALDATA HKP L0 PROP PROP1 eng'ring AXAF_PROP PROP1ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 PROP PROP1 eng'ring AXAF_PROP PROP1ENG ENG0 eng OGIP TEMPORALDATA HKP L0 PROP PROP2 eng'ring AXAF_PROP PROP2ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 PROP PROP2 eng'ring AXAF_PROP PROP2ENG ENG0 eng OGIP TEMPORALDATA HKP L0 SIM SIM1 eng'ring AXAF_SIM SIM1ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 SIM SIM1 eng'ring AXAF_SIM SIM1ENG ENG0 eng OGIP TEMPORALDATA HKP L0 SIM SIM2 eng'ring AXAF_SIM SIM2ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 SIM SIM2 eng'ring AXAF_SIM SIM2ENG ENG0 eng OGIP TEMPORALDATA HKP L0 SIM SIM3 eng'ring AXAF_SIM SIM3ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 SIM SIM3 eng'ring AXAF_SIM SIM3ENG ENG0 eng OGIP TEMPORALDATA HKP L0 SIM SIM21 eng'ring AXAF_SIM SIM21ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 SIM SIM21 eng'ring AXAF_SIM SIM21ENG ENG0 eng OGIP TEMPORALDATA HKP L0 SMS SMS1 eng'ring AXAF_SMS SMS1ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 SMS SMS1 eng'ring AXAF_SMS SMS1ENG ENG0 eng OGIP TEMPORALDATA HKP L0 SMS SMS2 eng'ring AXAF_SMS SMS2ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 SMS SMS2 eng'ring AXAF_SMS SMS2ENG ENG0 eng OGIP TEMPORALDATA HKP L0 TEL TEL1 eng'ring AXAF_TEL TEL1ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 TEL TEL1 eng'ring AXAF_TEL TEL1ENG ENG0 eng OGIP TEMPORALDATA HKP L0 TEL TEL2 eng'ring AXAF_TEL TEL2ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 TEL TEL2 eng'ring AXAF_TEL TEL2ENG ENG0 eng OGIP TEMPORALDATA HKP L0 TEL TEL3 eng'ring AXAF_TEL TEL3ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 TEL TEL3 eng'ring AXAF_TEL TEL3ENG ENG0 eng OGIP TEMPORALDATA HKP L0 TEL TEL4 eng'ring AXAF_TEL TEL4ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 TEL TEL4 eng'ring AXAF_TEL TEL4ENG ENG0 eng OGIP TEMPORALDATA HKP L0 THM THM1 eng'ring AXAF_THM THM1ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 THM THM1 eng'ring AXAF_THM THM1ENG ENG0 eng OGIP TEMPORALDATA HKP L0 THM THM2 eng'ring AXAF_THM THM2ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 THM THM2 eng'ring AXAF_THM THM2ENG ENG0 eng OGIP TEMPORALDATA HKP L0 THM THM3 eng'ring AXAF_THM THM3ENG_TU ENG0 eng OGIP TEMPORALDATA HKP RAW L0 THM THM3 eng'ring AXAF_THM THM3ENG ENG0 eng OGIP TEMPORALDATA HKP AXAF data product header components =================================== We define the following header components: M: Mandatory FITS keywords for HDU type CC: Configuration control component T: Timing component O: Observation info component IC: Image coordinate system keywords (CTYPEn, etc.) TC: Table column specifications (TTYPE, etc.) and coordinate system (TCRPIX) and ranges (TLMIN/TLMAX) Each of the first three has full and short versions which are defined below. The components should be present as follows: Required FITS header components Type FITS Primary ASC Principal Header components or extension or auxiliary Image Primary Principal M, CC, T, O, IC Null Primary Aux M, Null CC, Short T, Short O Table Extn Principal M, CC, T, O, TC Table Extn Aux M, Short CC, Short T, Short O, TC Image Extn Aux M, Short CC, Short T, Short O, IC The components should appear in the order specified, followed by optional additional COMMENT and HISTORY keywords, and the END keyword as the very last one. Non-Science Instrument data files should use the non-SI O component in all HDUs. Files that are "timeless" (e.g., grade tables) will not carry any timing component, except for the DATE keyword. Entries marked with hash marks (#) are required to be populated by software. In the reference components, brackets ([ ]) surround keywords that must only be included per the notes. The notes provide additional instructions or limitations. A leading blank ( ) must be deleted from each header line prior to use. Each header line is 80 characters long. The HDU number n in the comment field of the SIMPLE and XTENSION keywords (for example, zero in the following: / HDU 0==========================================) must be updated to represent the actual ordinal value of the HDU in the FITS file, counting from zero. All components are terminated wither by a blank line or by a blank line followed by the END keyword. Mandatory component for Image Primary Header (M) The following keywords are required to appear in the given order at the top of the header, with the END keyword being the last keyword of the header. ----------------------------------- cut here ----------------------------------- SIMPLE = T / HDU 0========================================== BITPIX = # / Number of bits per data pixel NAXIS = # / Number of data axes [NAXIS1 = # / Number of pixels on first axis ] [NAXIS2 = # / Number of pixels on second axis ] EXTEND = T / FITS dataset may include extensions END ----------------------------------- cut here ----------------------------------- Note: (1) There must be as many NAXISi keywords as the value of NAXIS. Mandatory component for Null Primary Header (M) The following keywords are required to appear in the given order at the top of the header, with the END keyword being the last keyword of the header. ----------------------------------- cut here ----------------------------------- SIMPLE = T / HDU 0========================================== BITPIX = 8 / Number of bits per data pixel NAXIS = 0 / Number of data axes EXTEND = T / FITS dataset may include extensions END ----------------------------------- cut here ----------------------------------- Mandatory component for Binary Table extension (M) The following keywords are required to appear in the given order at the top of the header, with the END keyword being the last keyword of the header. ----------------------------------- cut here ----------------------------------- XTENSION= 'BINTABLE' / HDU 1========================================== BITPIX = 8 / 8-bit bytes NAXIS = 2 / 2-dimensional Binary Table NAXIS1 = # / Number of bytes per row NAXIS2 = # / Number of rows PCOUNT = 0 / No group parameters (required keyword) GCOUNT = 1 / One data group (required keyword) TFIELDS = # / Number of columns EXTNAME = '########' / EXTNAME, usually identical to HDUNAME [EXTVER = # / EXTVER - sequence number of HDU ] END ----------------------------------- cut here ----------------------------------- Note: (1) EXTVER is mandatory only if more than one HDU exists within the same file. Mandatory component for Image extension (M) The following keywords are required to appear in the given order at the top of the header, with the END keyword being the last keyword of the header. ----------------------------------- cut here ----------------------------------- XTENSION= 'IMAGE ' / HDU 1========================================== BITPIX = # / 8-bit bytes NAXIS = # / Number of image axes NAXIS1 = # / Number of pixels along axis 1 [NAXIS2 = # / Number of pixels along axis 2 ] PCOUNT = 0 / No group parameters (required keyword) GCOUNT = 1 / One data group (required keyword) EXTNAME = '########' / EXTNAME, usually identical to HDUNAME [EXTVER = # / EXTVER - sequence number of HDU ] END ----------------------------------- cut here ----------------------------------- Notes: (1) There must be as many NAXISi keywords as the value of NAXIS. (2) EXTVER is mandatory only if more than one HDU exists. Full configuration control component (CC) ----------------------------------- cut here ----------------------------------- COMMENT +------------------+ COMMENT | AXAF FITS File | COMMENT +------------------+ COMMENT ********************************************************* COMMENT > This file is written following certain AXAF-ASC < COMMENT > conventions which are documented in ASC-FITS-2.1 < COMMENT ********************************************************* / Configuration control block-------------------- ORIGIN = 'ASC ' CREATOR = '### - Version ###' ASCDSVER= '########' / ASC-DS processing system revision (release) [TLMVER = '########' / Telemetry revision number (IP&CL) ] REVISION= # / Processing version of data CHECKSUM= '################' / ASCII encoded HDU checksum DATASUM = '##########' / Data unit checksum written in ASCII CONTENT = '########' / Data product identification [CONVERS = '########' ] HDUNAME = '########' / Dataset name; usually identical to EXTNAME HDUSPEC = '######## ' / ICD reference HDUDOC = 'ASC-FITS-2.1: Rots, McDowell: ASC FITS File Designers Guide' [HDUVERS = '########' ] HDUCLASS= '########' HDUCLAS1= '########' [HDUCLAS2= '########' ] [HDUCLAS3= '########' ] LONGSTRN= 'OGIP 1.0' / The OGIP long string convention may be used. COMMENT This FITS file may contain long string keyword values that are COMMENT continued over multiple keywords. This convention uses the '&' COMMENT character at the end of a string which is then continued COMMENT on subsequent keywords whose name = 'CONTINUE'. [HISTORY Input event file: hrcx123456789N000_evt0.fits ] [HISTORY PARM :infile=hrcx123456789N000_evt0.fits ASC00001] ----------------------------------- cut here ----------------------------------- Notes: (1) The keyword TLMVER is only required for L0 products. (2) The number of HDUCLASi keywords is variable and depends on the data product. HDUCLASS and HDUCLAS1 are mandatory. HDUCLAS2 and higher are optional and must be included only if populated with non-blank values. (3) The format of the CONVERS keyword is 'i.j.k '; if missing, the default value will be '1.0.0 '; HDUVERS is obsolete. (4) The HDUCLASS keyword must be populated with either 'OGIP ' or 'ASC ' as appropriate. (5) We expect that HISTORY keywords will eventually be written in a standard format; until such time, both formats above are legal. Short configuration control component (Short CC) ----------------------------------- cut here ----------------------------------- / Configuration control block-------------------- ORIGIN = 'ASC ' CREATOR = '### - Version ###' CHECKSUM= '################' / ASCII encoded HDU checksum DATASUM = '##########' / Data unit checksum written in ASCII CONTENT = '########' / What data product [CONVERS = '########' ] HDUNAME = '########' / Dataset name; usually identical to EXTNAME HDUDOC = 'ASC-FITS-2.1: Rots, McDowell: ASC FITS File Designers Guide' [HDUVERS = '########' ] HDUCLASS= '########' HDUCLAS1= '########' [HDUCLAS2= '########' ] [HDUCLAS3= '########' ] ----------------------------------- cut here ----------------------------------- Notes: (1) The number of HDUCLASi keywords is variable and depends on the data product. HDUCLASS and HDUCLAS1 are mandatory. HDUCLAS2 and higher are optional and must be included only if populated with non-blank values. (2) The format of the CONVERS keyword is 'i.j.k '; if missing, the default value will be '1.0.0 '; HDUVERS is obsolete . (3) The HDUCLASS keyword must be populated with either 'OGIP ' or 'ASC ' as appropriate. Configuration control component for null primary HDU (Null CC) ----------------------------------- cut here ----------------------------------- / Configuration control block-------------------- ORIGIN = 'ASC ' CREATOR = '### - Version ###' CHECKSUM= '################' / ASCII encoded HDU checksum DATASUM = '##########' / Data unit checksum written in ASCII ----------------------------------- cut here ----------------------------------- Level 0 full timing component (T) ----------------------------------- cut here ----------------------------------- / Time information block------------------------- DATE = '####-##-##T##:##:##' / Date and time of file creation (UTC) DATE-OBS= '####-##-##T##:##:##' / TT, with clock correction if CLOCKAPP DATE-END= '####-##-##T##:##:##' / TT, with clock correction if CLOCKAPP TIMESYS = 'TT ' / AXAF time will be TT (Terrestrial Time) MJDREF = 50814 / 1998-01-01T00:00:00 (TT) expressed in MJD (TT) / MJD = JD - 2400000.5 TIMEZERO= # / Clock correction (if not zero) TIMEUNIT= 's ' BTIMNULL= # / Basic Time offset (s) BTIMRATE= # / Basic Time clock rate (s / VCDUcount) BTIMDRFT= # / Basic Time clock drift (s / VCDUcount^2) BTIMCORR= # / Correction applied to Basic Time rate (s) TIMEREF = 'LOCAL ' / No pathlength corrections TASSIGN = 'SATELLITE' / Spacecraft clock CLOCKAPP= T / Clock correction applied TIERRELA= # / Short-term clock stability TIERABSO= # / Absolute precision of clock correction TIMVERSN= 'ASC-FITS-2.1' / AXAF FITS design document TSTART = # / As in the "TIME" column: raw space craft clock; TSTOP = # / add TIMEZERO and MJDREF for absolute TT STARTMJF= # / Major frame count at start STARTMNF= # / Minor frame count at start STARTOBT= # / On-Board MET close to STARTMJF and STARTMNF STOPMJF = # / Major frame count at stop STOPMNF = # / Minor frame count at stop TIMEPIXR= # / Time stamp reference as bin fraction TIMEDEL = # / Time resolution of data (in seconds) ----------------------------------- cut here ----------------------------------- Notes: (1) If a different value for TIERRELA is not determined, a default value of 1.0E-9 should be used. (2) If a different value for TIERABSO is not determined, a default value of 1.0E-4 should be used. Level 0.5-1.5 full timing component (T) ----------------------------------- cut here ----------------------------------- / Time information block------------------------- DATE = '####-##-##T##:##:##' / Date and time of file creation (UTC) DATE-OBS= '####-##-##T##:##:##' / TT, with clock correction if CLOCKAPP DATE-END= '####-##-##T##:##:##' / TT, with clock correction if CLOCKAPP TIMESYS = 'TT ' / AXAF time will be TT (Terrestrial Time) MJDREF = 50814 / 1998-01-01T00:00:00 (TT) expressed in MJD (TT) / MJD = JD - 2400000.5 TIMEZERO= # / Clock correction (if not zero) TIMEUNIT= 's ' BTIMNULL= # / Basic Time offset (s) BTIMRATE= # / Basic Time clock rate (s / VCDUcount) BTIMDRFT= # / Basic Time clock drift (s / VCDUcount^2) BTIMCORR= # / Correction applied to Basic Time rate (s) TIMEREF = 'LOCAL ' / No pathlength corrections TASSIGN = 'SATELLITE' / Spacecraft clock CLOCKAPP= T / Clock correction applied TIERRELA= # / Short-term clock stability TIERABSO= # / Absolute precision of clock correction TIMVERSN= 'ASC-FITS-2.1' / AXAF FITS design document TSTART = # / As in the "TIME" column: raw space craft clock; TSTOP = # / add TIMEZERO and MJDREF for absolute TT TIMEPIXR= # / Time stamp reference as bin fraction TIMEDEL = # / Time resolution of data (in seconds) ----------------------------------- cut here ----------------------------------- Notes: (1) If a different value for TIERRELA is not determined, a default value of 1.0E-9 should be used. (2) If a different value for TIERABSO is not determined, a default value of 1.0E-4 should be used. Level 2 or greater full timing component (T) ----------------------------------- cut here ----------------------------------- / Time information block------------------------- DATE = '####-##-##T##:##:##' / Date and time of file creation (UTC) DATE-OBS= '####-##-##T##:##:##' / TT, with clock correction if CLOCKAPP DATE-END= '####-##-##T##:##:##' / TT, with clock correction if CLOCKAPP TIMESYS = 'TT ' / AXAF time will be TT (Terrestrial Time) MJDREF = 50814 / 1998-01-01T00:00:00 (TT) expressed in MJD (TT) / MJD = JD - 2400000.5 TIMEZERO= # / Clock correction (if not zero) TIMEUNIT= 's ' TIMEREF = 'LOCAL ' / No pathlength corrections TASSIGN = 'SATELLITE' / Spacecraft clock CLOCKAPP= T / Clock correction applied TIERRELA= # / Short-term clock stability TIERABSO= # / Absolute precision of clock correction TIMVERSN= 'ASC-FITS-2.1' / AXAF FITS design document TSTART = # / As in the "TIME" column: raw space craft clock; TSTOP = # / add TIMEZERO and MJDREF for absolute TT TIMEPIXR= # / Time stamp reference as bin fraction TIMEDEL = # / Time resolution of data (in seconds) ----------------------------------- cut here ----------------------------------- Notes: (1) If a different value for TIERRELA is not determined, a default value of 1.0E-9 should be used. (2) If a different value for TIERABSO is not determined, a default value of 1.0E-4 should be used. Short timing component (short T) ----------------------------------- cut here ----------------------------------- / Time information block------------------------- DATE = '####-##-##T##:##:##' / Date and time of file creation (UTC) DATE-OBS= '####-##-##T##:##:##' / TT, with clock correction if CLOCKAPP DATE-END= '####-##-##T##:##:##' / TT, with clock correction if CLOCKAPP TIMESYS = 'TT ' / AXAF time will be TT (Terrestrial Time) CLOCKAPP= T / Clock correction applied (if false) TIMEZERO= # / Clock correction (if not zero) TIMEUNIT= 's ' MJDREF = 50814 / 1998-01-01T00:00:00 (TT) expressed in MJD (TT) TSTART = # / As in the "TIME" column: raw space craft clock; TSTOP = # / add TIMEZERO and MJDREF for absolute TT ----------------------------------- cut here ----------------------------------- Full observation info component (O) ----------------------------------- cut here ----------------------------------- / Observation information block------------------ [OBSERVER= '########' / Name of Principal Investigator/Guest Observer ] [TITLE = '########' / Proposal title ] [OBS_ID = '########' / ObsId number ] [SEQ_NUM = '########' / Sequence number ] MISSION = 'AXAF ' / Mission is AXAF TELESCOP= 'CHANDRA ' / Telescope is CHANDRA INSTRUME= '########' / HRC, ACIS, EPHIN, S/C subsystems DETNAM = '########' / Detector name GRATING = '########' / Grating [OBS_MODE= '########' / Pointing, slew, raster, or scan ] [DATAMODE= '########' / Datamode (varies only for science instr. data) ] SIM_X = # / Position of SIM in mm SIM_Y = # / SIM_Z = # / FOC_LEN = # / Assumed focal length, mm; Level 1 and up ONTIME = # / Sum of GTIs LIVETIME= # / Ontime multiplied by DTCOR EXPOSURE= # / Total exposure time, with all known corr. appl. DTCOR = # / Dead time correction DATACLAS= '########' / Data class ----------------------------------- cut here ----------------------------------- Notes: (1) The keywords OBSERVER and TITLE should be included only if the associated values are determined. (2) OBS\_ID is the observation Id; its presence depends on processing level (not available before L1).\\ (3) SEQ_NUM is the sequence number; its presence depends on processing level (not available before L1). (4) GRATING must be one of 'NONE ', 'LETG ', or 'HETG '. (5) The keywords OBS_MODE and DATAMODE should be included only if the associated values are determined. (6) The default value for DTCOR is 1.0 if not otherwise determined. (7) The default value for DATACLAS is 'OBSERVED' unless another value (SIMULATED) is specified. Source info component (S) - appended to full observation info component (O) only if source information is available. ----------------------------------- cut here ----------------------------------- / Source information block----------------------- OBJECT = '########' / Source name RA_NOM = # / Nominal pointing right ascension, deg DEC_NOM = # / Nominal pointing declination, deg ROLL_NOM= # / Nominal roll angle, deg EQUINOX = 2000.0 / J2000.0 RADECSYS= 'ICRS ' / Julian coordinate reference frame ----------------------------------- cut here ----------------------------------- Short observation info component (short O) ----------------------------------- cut here ----------------------------------- / Observation information block------------------ [OBS_ID = '########' / ObsId/Sequence number ] [SEQ_NUM = '########' / Sequence number ] MISSION = 'AXAF ' / Mission is AXAF TELESCOP= 'CHANDRA ' / Telescope is CHANDRA INSTRUME= '########' / HRC, ACIS, EPHIN, S/C subsystems ----------------------------------- cut here ----------------------------------- Notes: (1) OBS\_ID is the observation Id; its presence depends on processing level (not available before L1).\\ (2) SEQ_NUM is the sequence number; its presence depends on processing level (not available before L1). Non-SI observation info component (non-SI O) ----------------------------------- cut here ----------------------------------- / Observation information block------------------ MISSION = 'AXAF ' / Mission is AXAF TELESCOP= 'CHANDRA ' / Telescope is CHANDRA INSTRUME= '########' / HRC, ACIS, EPHIN, S/C subsystems ----------------------------------- cut here ----------------------------------- FITS File Naming Convention for the AXAF Archive ================================================ Please note: These file names are the ones created by standard processing for everything that goes into the archive, but not necessarily what the user sees; files may be renamed when transferred to the user (e.g., dropping digits in the start time, leaving off processing run versions). The prime motivations for the convention are: Unique file names Uniformity in file names File names that are sufficiently informative The first consideration leads to the requirement to carry the processing level as well as the processing version in the file name for at least some products. For the sake of uniformity, we require them on all. Also for reasons of uniformity, it was decided to use TSTART throughout: it becomes difficult to relate products from different levels if some are identified by time, others by ObsId, and yet others by sequence number; time is the universal discriminator ;-) Finally, leading zeroes are required; the gain of one character for the first few years of the mission does not outweigh the bother of having to count characters to decide whether files belong together or are years apart. _[_][].fits instrument: "acis", "hrc", ... data source: "x", "f", "t", "b", "s", "u" TSTART (integer part): "#########" For higher level products: ObsId and observation interval processing run (version): "N###" optional discriminator (e.g., FEP Id, TU) type: "evt", "prf", "hst", "src", "win", "bias", ... processing level: single digit: "0", "1", "2" sublevel: single lower case letter; e.g., 1.5 is "1a" For "type", see the Data Products table. Example: acisf123456789N000_evt1.fits Instrument Values acis AXAF CCD Imaging Spectrometer subsystem hrc High Resolution Camera subsystem ephin Electron-Proton-Helium INstrument subsystem pcad Pointing Control and Attitude Determination subsystem tel Telescope subsystem sim Science Instrument Module subsystem obc On-Board Computer software subsystem ccdm Communications Command and Data Management subsystem cpe CPE hardware and software subsystem eps Electrical Power Subystem thm Thermal control subsystem sms Structure subsystem prop Propulsion and pyro subsystems misc Other AXAF signals orbit Orbit ephemeris solar Solar ephemeris lunar Lunar ephemeris angles Viewing angles clock Clock measurements axaf Certain mission-level items Data Source Values} x XRCF f Flight t TRW b Ball Bros c Other lab calibration s Simulated u Unknown Processing Version It is assumed that decisions about reprocessing of production data will be made at a kind of CCB level and that the processing version number will hence be provided "manually" to the processing pipeline. Optional Discriminator On purpose, I have not defined the format of the optional discriminator. I would urge developers, though, to design them as compact as possible, preferably without underscores. Similarly, it is assumed that common sense will be used in defining the instrument and contents strings. Where necessary, changes to ICDs may be suggested. The value "TU" is reserved for files containing quantities in telemetry units that duplicate other files containing the same data in engineering (calibrated) units.