Jul_16_2000_H360.txt Shift H360 Start at 2000:199:01:00:00 GMT = 2000 Jul 16 9:p0pm EDT End 2000 Jul 17 1:00am EDT See http://asc.harvard.edu/acis/SOT_reports/sot-shift.html, or /proj/ascwww/AXAF/extra/science/htdocs/acis/SOT_reports/Jul_16_2000_H360.txt SOT Lead Bill Podgorski SOT SC/ACA Rob Cameron FOT-SI Andrew Northrup HRC-SI ACIS-SI OTHER Michael McGuirk Plan: - Running load JUL1700A, which started commanding at 198:2315. Have come through a long period where no loads were running due to high radiation environment. Execute maneuvers to pass thru perigee. Insert HETG via the load using a new command sequence definition, at 199:0415. ORBITAL EVENTS: 2000:196:16:33:41.359 129 EPERIGEE ORBIT PERIGEE 2000:196:17:36:20.024 129 XP1RADZ0 PROTON1 RADIATION EXIT0 2000:196:20:30:20.024 130 XE1RADZ0 ELECTRON1 RADIATION EXIT0 2000:198:00:17:37.333 130 EAPOGEE ORBIT APOGEE 2000:199:02:13:01.178 130 EE1RADZ0 ELECTRON1 RADIATION ENTRY0 2000:199:08:02:44.101 130 EPERIGEE ORBIT PERIGEE 2000:199:13:05:01.178 131 XE1RADZ0 ELECTRON1 RADIATION EXIT0 2000:200:15:45:59.833 131 EAPOGEE ORBIT APOGEE 2000:201:17:40:19.764 131 EE1RADZ0 ELECTRON1 RADIATION ENTRY0 2000:201:23:30:50.472 131 EPERIGEE ORBIT PERIGEE EVENTS DONE OBSID -------------- ---- ----- Start Shift LOS 199:0100 Status at last contact 199:2245 was nominal for this situation (see note 1) AOS DSS-54 (Madrid) 199:0355 Status at AOS was (nominal see note 2) Execute CAP 633 to set format to 4 Grating insertion via load was nominal 199:0415 (see note 3) End of shift 199:0530 NOTES/ISSUES/PROBLEMS --------------------- 1) Status at last contact: UTC 2000:198:22:46:01 (Jul16) f_ACE 7.64e+03 F_ACE 2.03e+10 Kp 1.7 R km 88458D OBT 2000:198:22:45:01 CTUVCDU 203007 OBC s/w NRML FMT2_NORM CPEstat OBT 80174701.34 ONLVCDU 202992 OBC Errs 0 OBSID 61995 EPState SUN SIM TTpos -99615 HETG Angle 80.2 PCADMODE NPNT RA 325.438 Bus V 30.71 SIM FApos -467 LETG Angle 78.3 PCONTROL NPNT Dec 60.102 Bus I 35.33 AOFSTAR GUID Roll 151.302 ACA Object SSSSSSSS Dither ENAB HRC-I HV ON ACA ImFunc TTTTTNNN Dith Yang 7.23 Yaw Rate -0.24 HRC-S HV OFF ACA CCD Temp -10.4 Dith Zang 4.06 Pitch Rate -0.18 OBSMode NEXT ACA Int Time 1.698 Roll Rate 0.10 Door OP UNAC AOACSTAT OK FSS SunBeta SUN Door CL UNAC FSS Alfa 1.52 Batt 1 SOC 100.00% Avg HRMA Temp 70.61 FSS Beta -5.69 Batt 2 SOC 100.00% ACIS Stat7-0 66 Avg OBA Temp 50.89 SA Resolv 94.67 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 17.03 HRMA power 64.20 SCS 128 -Y SA Amps 18.02 EPHIN Geom LARG OBA power 75.90 SCS 129 +Y SA Temp 108.17 E150 6496 SCS 130 -Y SA Temp 108.17 E300 1436 Roll Mom. -0.004 E1300 63 Pitch Mom. -10.440 UpL Cmd Acc 3954 EPH A-Leak 0.6160 P4GM 2064 Yaw Mom. 2.656 Cmd Rej A 245 EPH B-Leak 0.1080 P41GM 31 2) Status at AOS (199:0355): WAS EXPECTED PCAD MODE = NPNT NPNT CONTROL LAW FLAG = NPNT NPNT Stars: = 5 5 FIDS = 0 0 RA = 159.010001 deg 159.00998 DEC = -54.350000 deg -54.34999 ROLL = 219.173418 deg 219.17343 Format = 2 2 OBSID = 61993 61993 SIM FA = -467 -468 SIM TSC = -99615 -99616 HETGA = 80.21 deg (OUT) OUT HETGB = 80.58 deg (OUT) OUT LETGA = 79.46 deg (OUT) OUT LETGB = 78.33 deg (OUT) OUT EPHIN A-leak = 0.7600 B-leak = 0.1280 ACE Proton Flux = 7104 (2 hr avg in 130-214 keV proton channel) Fluence (130-214KeV) = 5.1E+7 LT 3.6E+8 Radiation Level OK Kp Index (Costello) = 3.00 LT 6 is OK EPHIN Geom = - (in rad zone) E1300 = - LT 1318.52 (RADMON P4GM = - LT 3542.40 Triggers) P41GM = - LT 100.00 HRC SP PS = OFF IM PS = ON SP Top Step = 42 SP Bot Step = 53 Shield 1 HV = OFF Shield 2 HV = OFF Valid Event Rate 1 = - Valid Event Rate 2 = - Shield Event Rates = - ACIS FP Temp = -120.0 Cold Radiator = -127.9 DEA Pwr = 28.8 DPA Pwr = 12.3 Science State = Science Idle 3) The HETG was inserted starting at 199:0415. It took 154.775 seconds from the change of the execute realy status to enable to motion stop caused bu trip of the INSERT limit switch. This is very close to the last insertion time of 154.50 secs on day 177. Spacecraft attitude errors were below 3 arc-seconds.