Sep_06_2001_L777.txt Shift L777 Start at 2001:249:11:15:00 GMT = 2001 Sep 6 7:15am EDT End 2001 Sep 6 11:30am EDT SOT shift report 2001-09-06 L777 See http://asc.harvard.edu/acis/SOT_reports/sot-shift.html, or /proj/ascwww/AXAF/extra/science/htdocs/acis/SOT_reports/Sep_06_2001_L777.txt SOT Lead Bill Podgorski SOT SC/ACA FOT-SI HRC-SI ACIS-SI OTHER Plan: - Running load SEP0301B on ascending leg. Observing '3C397' (obsid 1042) with ACIS-S. Current ACE solar proton flux levels are very low. Solar wind speed is still decreasing and is now under 2. Spaceweather continues to predict possible high solar activity due to newly emerging sunspot group 9608. Seq # ObsID It Target start time SI Grat RA dec roll slew ---------------------------------------------------------------------------------------------------------- 500108 01042 00 3C397 2001:249:05:50:28.097 66.9 ACIS-S NONE 286.8775 7.1312 258.23 48.47 500109 01043 00 NGC 6946 2001:250:00:54:28.377 59.3 ACIS-S NONE 308.6625 60.1587 218.87 60.77 ORBITAL EVENTS: 2001:248:12:31:02.605 287 EPERIGEE ORBIT PERIGEE 2001:249:20:15:08.366 288 EAPOGEE ORBIT APOGEE 2001:251:03:58:55.814 288 EPERIGEE ORBIT PERIGEE 2001:252:11:43:22.174 289 EAPOGEE ORBIT APOGEE 2001:253:19:27:54.731 289 EPERIGEE ORBIT PERIGEE EVENTS DONE OBSID -------------- ---- ----- Start Shift 249:1115 AOS DSS-54 (Madrid 34m) 249:1225 1042 Status at AOS was nominal (see note 1) LOS DSS-54 249:1325 End of shift 249:1530 NOTES/ISSUES/PROBLEMS --------------------- 1) Status at AOS: UTC 2001:249:12:27:21 (Sep 6) f_ACE 1.92e+01 F_CRM 6.79e+08 Kp 2.3 R km 132698A OBT 2001:249:12:26:45 CTUVCDU 6440703 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 116166405.28 ONLVCDU 6440688 OBC Errs 0 OBSID 1042 EPState SUN SIM TTpos 75624 HETG Angle 79.84 PCADMODE NPNT RA 286.877 Bus V 30.55 SIM FApos -467 LETG Angle 77.96 PCONTROL NPNT Dec 7.133 Bus I 30.77 AOFSTAR GUID Roll 258.226 ACA Object FFFSSSSS Dither ENAB HRC-I HV ON ACA ImFunc TTTTTTTT Dith Yang -4.55 Yaw Rate 0.18 HRC-S HV OFF ACA CCD Temp -10.4 Dith Zang 2.44 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 -0.17 Batt 1 SOC 100.00% Avg HRMA Temp 70.61 FSS Beta -30.61 Batt 2 SOC 100.00% ACIS Stat7-0 64 Avg OBA Temp 51.05 SA Resolv 120.68 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 14.68 RadMon ENAB HRMA power 76.90 SCS 128 ACT -Y SA Amps 15.66 EPHIN Geom LARG OBA power 65.70 SCS 129 ACT +Y SA Temp 111.43 E150 13.5 SCS 130 ACT -Y SA Temp 112.04 E300 0.4 Roll Mom. 8.216 SCS 107 INAC E1300 0.1 Pitch Mom. -5.962 UpL Cmd Acc 29413 EPH A-Leak 0.9000 P4GM 0.2 Yaw Mom. 1.089 Cmd Rej A 206 EPH B-Leak 0.1640 P41GM 0.0 Explanation Current Data: UTC 2001:249:12:27:24 (Sep 6) f_ACE 1.92e+01 F_CRM 6.79e+08 Kp 2.3 R km 132698A Currently scheduled FPSI, OTG : ACIS-S NONE Costello Kp : 2.33 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 1.92e+01 Orbit Start Time : 2001:248:12:34:01 Geocentric Distance (km), Orbit Leg : 132593 A CRM Region : 2 (Magnetosheath) External Proton Flux (p/cm^2-s-sr-MeV) : 1.45985000000e+03 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 1.45985000000e+03 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 1.65270273660e+09 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 6.79367316600e+08 HRC SP PS = OFF IM PS = ON Stp 42/53 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 = -119.7 DEA Pwr = 49.6 DPA Pwr = 42.5 Science State = Science Active 2) Notes from 9:00am meeting: Operations (Darell): - 2 26m supports last 24 hrs, 1 34m in process - One load segment uplinked, good thru 253:0126 - DSS-27 pass last night had 40 min delay in establishing telemetry, attributed to station. - During DSS-16 pass there was a COMM equipment failure at GSFC, had to use black phones. - Dumps current thru last pass - Will be an extra pass on DSS-16 today for automation testing - Schedule changes due to DSS-24 problem are beginning. - Info via E-mail on DSS-24 indicates that failure was due to antenna exceeding rotational limits and damaging the cable wrap. They will use a cable wrap from DSS-26 (unused antenna) to return to service earlier than predicted, possibly by this Saturday. Mission Planning (Ken/Kevin): - SEP10 load approved - SEP17 load in work - Are not scheduling DSS-24 even though it may be back online sooner than expected. Will use real-time commanding for all COMM's next week due to uncertainty with DSS-24 status. S/C Engineering(Jeff/Bill): - ASVT testing will continue. SOT(Bill): - ACE soft proton flux levels still low (under 20). - Solar wind speed still declining - Space Weather again has warnings of possible high solar activity. DSOPS(Joy): - Two QL's (see below). GOT(Mike): - All OK. Meetings/events: - 9:30am, Pass plan review - 10am, tagup with CSC/Lockheed on ground system issues - 2pm, FDB - 3pm, Mission planning group mtg 3) Quick look data: Seq # ObsID It Target start time SI Grat Comment ---------------------------------------------------------------------------------------------------------- 400147 01934 00 XTE J1723-376 2001:247:06:56:23.958 29.7 ACIS-I NONE 700377 02187 00 NGC 5135 2001:247:15:39:23.958 29.7 ACIS-S NONE