Sep_26_2001_L797.txt Shift L797 Start at 2001:269:11:30:00 GMT = 2001 Sep 26 7:30am EDT End 2001 Sep 26 11:00am EDT SOT shift report 2001-09-26 L797 See http://asc.harvard.edu/acis/SOT_reports/sot-shift.html, or /proj/ascwww/AXAF/extra/science/htdocs/acis/SOT_reports/Sep_26_2001_L797.txt SOT Lead Bill Podgorski SOT SC/ACA FOT-SI HRC-SI ACIS-SI OTHER Plan: - Not observing due to ongoing high solar radiation. Uplink and run first segment of SEP2601 load to maneuver for perigee passage today at 269:1614. New recovery load prepared, SEP2801. This load picks up at 271:0120 just after next apogee. Current ACE solar proton flux levels are still very high after peaking yesterday (268:2200 or so). Soft proton flux is 170,000 and slowly decreasing. EPHIN rates were still very high at last COMM: Channel Rate Trip E1300 1239.8 10.0 P4GM 20552.8 300.0 P41GM 47.3 8.47 Planned COMM: AOS LOS 2001 269.052 2001 269.093 269 0015 0115 0215 0230 DSS-24 2001 269.322 2001 269.364 269 0645 0745 0845 0900 DSS-34 2001 269.583 2001 269.666 269 1320 1400 1600 1610 DSS-46 2001 269.875 2001 269.958 269 2020 2100 2300 2310 DSS-16 2001 270.166 2001 270.208 270 0300 0400 0500 0515 DSS-24 2001 270.618 2001 270.701 270 1410 1450 1650 1700 DSS-66 2001 270.958 2001 271.000 270 2200 2300 0000 0015 DSS-24 Seq # ObsID It Target start time SI Grat RA dec roll slew ---------------------------------------------------------------------------------------------------------- Target at RADMON trip 200118 01890 00 HD 93497 2001:267:08:58:52.846 81.0 ACIS-S HETG 161.7216 -49.4117 154.81 124.55 Recovery load - SEP2601 ---- ITE95 00 CAL-ER 2001:269:11:00:00.000 0.0 -- -- 122.0000 26.0000 75.10 104.04 ---- T_E95 00 CAL-ER 2001:269:11:19:23.029 10.2 -- -- 137.0000 40.0000 57.25 21.06 ---- 61455 00 CAL-ER 2001:269:16:43:56.383 20.8 -- -- 137.0000 40.0000 57.39 0.14 Recovery load 2 - SEP2801 ---- I1893 00 CAL-ER 2001:271:01:51:15.531 0.0 -- -- 296.0000 70.0000 250.38 69.79 200121 01893 00 S106 FIR 2001:271:02:19:25.531 50.4 ACIS-I NONE 306.8457 37.4036 250.66 34.38 500141 01964 00 AX J1844-02 2001:271:16:45:45.016 19.8 HRC-I NONE 281.2056 -2.9264 272.55 48.68 ORBITAL EVENTS: 2001:269:10:18:35.503 295 ELECTRON1 RADIATION ENTRY0 2001:269:16:14:37.393 295 ORBIT PERIGEE 2001:269:19:44:35.503 296 ELECTRON1 RADIATION EXIT0 2001:270:23:57:43.232 296 ORBIT APOGEE 2001:272:01:13:51.558 296 ELECTRON1 RADIATION ENTRY0 2001:272:07:41:56.721 296 ORBIT PERIGEE 2001:272:11:41:51.558 297 ELECTRON1 RADIATION EXIT0 2001:273:15:25:20.980 297 ORBIT APOGEE 2001:274:17:03:11.682 297 ELECTRON1 RADIATION ENTRY0 EVENTS DONE OBSID -------------- ---- ----- Start Shift 269:1130 AOS DSS-46 269:1402 61456 Status at AOS was as expected with stopped loads (see note 1) LOS DSS-46 269:1600 End of shift 269:1500 NOTES/ISSUES/PROBLEMS --------------------- 1) Status at AOS: UTC 2001:269:14:03:17 (Sep26) f_ACE 1.49e+05 F_CRM 6.01e+07 Kp 2.0 R km 34845D OBT 2001:269:14:02:56 CTUVCDU 13206558 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 117900176.36 ONLVCDU 13206544 OBC Errs 0 OBSID 61456 EPState SUN SIM TTpos -99616 HETG Angle 6.34 PCADMODE NPNT RA 137.003 Bus V 30.71 SIM FApos -467 LETG Angle 77.96 PCONTROL NPNT Dec 40.000 Bus I 22.88 AOFSTAR GUID Roll 57.246 ACA Object SSSSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang 4.17 Yaw Rate -0.03 HRC-S HV ON ACA CCD Temp -10.4 Dith Zang 7.87 Pitch Rate -0.07 OBSMode NEXT ACA Int Time 1.698 Roll Rate 0.15 Door OP UNAC AOACSTAT OK FSS SunBeta SUN Door CL UNAC FSS Alfa -0.21 Batt 1 SOC 100.00% Avg HRMA Temp 70.63 FSS Beta 30.64 Batt 2 SOC 100.00% ACIS Stat7-0 67 Avg OBA Temp 51.21 SA Resolv 59.11 Batt 3 SOC 100.00% Cold Rad -127.9 OBA Tavg Fault NFLT SA Sun Pres ILLM Warm Rad -84.4 OBA Trng Fault NFLT +Y SA Amps 11.02 RadMon DISA HRMA power 0.00 SCS 128 ACT -Y SA Amps 11.79 EPHIN Geom SMAL OBA power 67.80 SCS 129 INAC +Y SA Temp 112.66 E150 443317.1 SCS 130 INAC -Y SA Temp 112.97 E300 13128.9 Roll Mom. -3.735 SCS 107 INAC E1300 705.3 Pitch Mom. 11.085 UpL Cmd Acc 55784 EPH A-Leak 1.0200 P4GM 8780.5 Yaw Mom. 1.894 Cmd Rej A 181 EPH B-Leak 0.1920 P41GM 23.6 Explanation Current Data: UTC 2001:269:14:04:03 (Sep26) f_ACE 1.49e+05 F_CRM 6.01e+07 Kp 2.0 R km 34845D Currently scheduled FPSI, OTG : HRC-S NONE Costello Kp : 2.00 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 1.57e+05 Orbit Start Time : 2001:267:00:49:01 Geocentric Distance (km), Orbit Leg : 35512 D CRM Region : 3 (Magnetosphere) External Proton Flux (p/cm^2-s-sr-MeV) : 0.00000000000e+00 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 0.00000000000e+00 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 1.19336539770e+10 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 6.00504383400e+07 HRC SP PS = ON Stp 42/54 IM PS = OFF Shield 1 HV = OFF Shield 2 HV = OFF Valid Event Rate 1 = 0 Valid Event Rate 2 = 0 Shield Event Rates = 0 ACIS FP Temp = -120.0 DEA Pwr = 36.0 DPA Pwr = 12.4 Science State = Science Idle 2) Notes from 9:00am meeting: Operations (Darrel): - 3 supports over last 24 hrs 2 34m, 1 26m - One load segment (initial) uplinked from SEP2601A, - Good thru 169:1643 (second maneuver in load) - Ran CAP 675 to re-enable RADMON Mission Planning (Ken): - Radiation replan SEP2601 approved, first load segment uplinked - SEP2801 to be reviewed at noon S/C Engineering(Dan/Rino): - Gyro data nominal over last few days (Rob questions the currents, they will discuss offline) - Low load bus current violations noted, caused by lengthly stay at low pitch att. - ACIS bi-levels in violation for one major frame, probably an SEU, will get info to ACIS team. SOT(Bill): - Current ACE soft proton flux 150,000 (10:15am EDT) and still decreasing slowly - GOES proton levels are well above trip points for P4GM and P41GM - In 269:0100 pass EPHIN data was VERY high, 20000 for P4GM - EPHIN rates in 269:0745 pass had decreased from peaks in 0100 pass before rising as S/C started to enter rad zone. - All SOT EGSE and GRETA terminal seem to be working OK after SW change DSOPS(Joy): - Two quick looks, moon obs 2468 and 1890 partial (see below) GOT(Adam): - Squirt software was updated yesterday. Meetings/events: - 10am, CCB - 10am, star working group - 12:00pm, load review of SEP2801 - 1pm, Chandra celebration at 60 Garden St. 3) Quick look data: Seq # ObsID It Target start time SI Grat Comment ---------------------------------------------------------------------------------------------------------- 190007 02468 00 DARK MOON 2001:265:07:00:00.000 3.4 ACIS-I NONE 200118 01890 00 HD 93497 2001:267:08:58:52.846 81.0 ACIS-S HETG