Jul_31_2000_L374.txt Shift L374 Start at 2000:213:12:00:00 GMT = 2000 Jul 31 8:00am EDT End 2000 Jul 31 11:30am EDT SOT shift report 2000-07-31 L374 See http://asc.harvard.edu/acis/SOT_reports/sot-shift.html, or /proj/ascwww/AXAF/extra/science/htdocs/acis/SOT_reports/Jul_31_2000_L374.txt SOT Lead Bill Podgorski SOT SC/ACA FOT-SI HRC-SI ACIS-SI OTHER Plan: - Running JUL3000B on ascending leg well out of radiation zone. Now observing SNR 0538-69.1 with HRC-S (obsid 1829). Will move to three targets for ACIS-I/S, followed by series of comet LINEAR observations tomorrow starting at 214:1312. ORBITAL EVENTS: 2000:212:13:25:18.690 135 EPERIGEE ORBIT PERIGEE 2000:212:14:28:28.044 136 XP1RADZ0 PROTON1 RADIATION EXIT0 2000:212:17:42:28.044 136 XE1RADZ0 ELECTRON1 RADIATION EXIT0 2000:213:21:08:58.436 136 EAPOGEE ORBIT APOGEE 2000:214:22:53:37.371 136 EE1RADZ0 ELECTRON1 RADIATION ENTRY0 2000:215:04:54:33.404 136 EPERIGEE ORBIT PERIGEE 2000:215:09:55:37.371 137 XE1RADZ0 ELECTRON1 RADIATION EXIT0 2000:216:12:37:31.325 137 EAPOGEE ORBIT APOGEE 2000:217:14:27:15.524 137 EE1RADZ0 ELECTRON1 RADIATION ENTRY0 2000:217:20:21:59.836 137 EPERIGEE ORBIT PERIGEE 2000:217:20:31:15.524 137 EP1RADZ0 PROTON1 RADIATION ENTRY0 2000:217:21:19:15.524 137 XP1RADZ0 PROTON1 RADIATION EXIT0 2000:218:00:01:15.524 138 XE1RADZ0 ELECTRON1 RADIATION EXIT0 2000:219:04:05:20.035 138 EAPOGEE ORBIT APOGEE 2000:220:06:22:33.052 138 EE1RADZ0 ELECTRON1 RADIATION ENTRY0 2000:220:11:00:33.052 138 EP1RADZ0 PROTON1 RADIATION ENTRY0 2000:220:11:49:02.866 138 EPERIGEE ORBIT PERIGEE EVENTS DONE OBSID -------------- ---- ----- Start Shift 213:1200 Status at last COMM was nominal (see note 1) Radiation levels are very low: ACE Proton Flux = 36 (2 hr avg in 130-214 keV proton channel) Fluence (130-214KeV) = 2.6E+5 LT 3.6E+8 Radiation Level OK Kp Index (Costello) = 3.66 LT 6 is OK End of shift 213:1530 NOTES/ISSUES/PROBLEMS --------------------- 1) Status at end of last COMM: UTC 2000:213:09:00:02 (Jul31) f_ACE 4.76e+01 F_ACE 2.28e+06 Kp 1.7 R km 128656A OBT 2000:213:08:59:27 CTUVCDU 5067263 OBC s/w NRML FMT1_NORM CPEstat OBT 81421167.12 ONLVCDU 5067248 OBC Errs 0 OBSID 1829 EPState SUN SIM TTpos -99616 HETG Angle 80.2 PCADMODE NPNT RA 84.523 Bus V 31.18 SIM FApos -990 LETG Angle 78.3 PCONTROL NPNT Dec -69.179 Bus I 25.20 AOFSTAR GUID Roll 136.585 ACA Object FFFSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang -17.15 Yaw Rate 0.07 HRC-S HV ON ACA CCD Temp -10.4 Dith Zang -9.07 Pitch Rate -0.09 OBSMode OBSV ACA Int Time 1.698 Roll Rate 0.33 Door OP UNAC AOACSTAT OK FSS SunBeta SUN Door CL UNAC FSS Alfa -0.42 Batt 1 SOC 100.00% Avg HRMA Temp 70.58 FSS Beta -3.58 Batt 2 SOC 100.00% ACIS Stat7-0 65 Avg OBA Temp 50.89 SA Resolv 93.39 Batt 3 SOC 100.00% Cold Rad -127.9 OBA Tavg Fault NFLT SA Sun Pres ILLM Warm Rad -82.0 OBA Trng Fault NFLT +Y SA Amps 11.98 HRMA power 67.90 SCS 128 -Y SA Amps 12.95 EPHIN Geom LARG OBA power 127.80 SCS 129 +Y SA Temp 109.28 E150 27.3 SCS 130 -Y SA Temp 108.70 E300 0.5 Roll Mom. 10.720 E1300 0.0 Pitch Mom. 20.218 UpL Cmd Acc 23176 EPH A-Leak 0.5480 P4GM 0.6 Yaw Mom. 2.991 Cmd Rej A 232 EPH B-Leak 0.0960 P41GM 0.0 Expected RA, Dec, Roll (degrees): 84.51810, -69.17414, 136.58096 2) Notes from 9:00am meeting: Operations (Darrell): - 9 supports over weekend, 5 34m (6hrs 51 mins) and 4 26m (11 hrs 10 mins) - 13 SSR dumps, 2 no good - 3 uplinked load segments, good thru 217:0400 - Problem Friday on DSS-54 support (210:1435). Extended support but could not get good dump. Next support at 210:2045 on DSS-66 also had problems but got enough dump data to avoid recorder overflow. - DSS-54 support on Sunday (212:1445) also had problems (with the Low Noise Amplifier). Brought DSS-65 up for downlink only and dumped at 1024kbps. - JPL has stopped using the automated equipment until problems are sorted out. Mission Planning (Dan/Ken/Kevin): - Tested online system rev 3.7 on 3rd string. Had problems compiling some computations (ephemeris) . Will work to fix. Off-line system appears to work OK. - Kevin working next week's load (AUG0600). LETG insert can be done in RAD zone, but retract cannot. First review tomorrow. Spacecraft Engineering (Jeff): - Had an OBC overflow error which is probably the lost star counter. Will look into this. - ASVT testing of array off-pointing SW (Wallace) identified some some issues which will be worked. - Andy will test the revised LETG scripts on ASVT this AM. SOT (Bill Podgorski): - Kp violation over weekend. Other rates low so decided to do nothing (Rob/Bill). - Radiation levels VERY low now. DSOPS(Joy): - Lots of quick looks (see below) GOT(Chris) - All is OK, will assist in testing of online 3.7. 3) Quick Look data review(OK unless noted): Seq # ObsID It Target start time SI Grat Comments ----------------------------------------------------------------------------------------- 800090 00914 00 CL J0542.8-4100 2000:208:22:56:52.393 51.0 ACIS-I NONE 800098 00922 00 A2597 2000:210:05:30:29.936 40.0 ACIS-S NONE 800107 00931 00 ABELL 496 2000:210:17:09:22.169 19.0 ACIS-S NONE 700170 00865 00 Q0054+144 2000:210:22:54:59.370 5.0 ACIS-S NONE 600071 00311 00 M31 TRANSIENT TBD 2000:211:00:46:19.370 5.0 ACIS-I NONE 800007 00499 00 A2204 2000:211:03:08:13.932 10.0 ACIS-S NONE 500026 00730 00 KES 73 2000:211:06:22:53.932 10.0 ACIS-S NONE 300023 00654 00 TERZAN 5 2000:211:09:37:33.932 5.0 ACIS-I NONE Very bright 800053 00545 00 A2163 2000:211:11:28:53.932 9.5 ACIS-I NONE 800082 00906 00 ABELL 1995 2000:211:14:37:32.241 12.0 ACIS-S NONE 700024 00352 00 M87 2000:211:18:25:48.864 38.2 ACIS-S NONE