Oct_27_2003_L1558.txt Shift L1558 Start at 2003:300 12:00:00 GMT = 2003 Oct 27 7:00 am EDT End 2003 Oct 27 10:15 am EDT SOT shift report 2003-10-27 L1558 See http://asc.harvard.edu/acis/SOT_reports/sot-shift.html, or Oct_27_2003_L1558.txt SOT Lead Bill Podgorski SOT SC/ACA FOT-SI HRC-SI ACIS-SI OTHER Plan: - Solar activity has been very high since late last week. Several X class flares have ocurred, one last Thursday and two yesterday. All had full-halo CME's as well. Last Friday SCS 107 was run by command (at ~ 297:13:34 GMT) due to high radiation levels. Observations were resumed on Saturday (298:1930) with load OCT2503B. Sunday afternoon's pass showed that SCS107 had run autonomously (at about 299:-----. ), terminating OCT2503B. Radiation telecon held yesterday afternoon is summarized below: Radiation remains too high to resume science. There may be CMEs on the way from each of the two X1 flares in the past 24 hours, which may arrive on Oct 28. Plan A for resuming science is to start after radiation exit after the upcoming perigee passage (~300:1200 ) Obsid 5240 (2.8 ks HRC-I) for XTE J1810-197 is a TOO which should be included as in that orbit, preferably towards the end of the orbit (in case a Plan B for later science resumption is needed). Momentum must be reduced before science resumes. Momentum will reach 26 ft-lb-sec at 2003/301/0400 UT (11pm EST Monday night) unless corrective action is taken. There is an attitude about 180 degrees from the current attitude which will reduce accumulated momentum, and FOT MP will build a maneuver-only load (involving a segmented maneuver). This maneuver-only load (to be called OCT2603A) will be ready by noon tomorrow, and the maneuver will start at 2003/301/0130 UT, allowing 2 uplink opportunities for the load at 300/2030 UT and 301/0025 UT. 3-day Solar-Geophysical Forecast issued Oct 26 at 22:00 UTC Solar Activity Forecast: Solar activity is expected to be high. Regions 484 and 486 are expected to produce C- and M-class flares, and X-class flares are possible. Geophysical Activity Forecast: The geomagnetic field is expected to be quiet to active all three days, with possible minor and isolated major storm conditions on days two and three due to partial halo CMEs from both X flares observed today. Seq # ObsID It Target start time SI Grat RA dec roll ------------------------------------------------------------------------------------------------------- OCT2503B: ---- T_X83 CAL-ER (60499) 2003:298:19:30:57.358 10.0 -- -- 40.0000 -25.0000 16.21 500387 03908 0 SNR DEM L238 2003:298:22:45:37.358 60.0 ACIS-S NONE 83.6255 -70.5603 52.02 290246 03713 1 VELA REMNANT 2003:299:15:48:55.115 20.0 HRC-I NONE 129.1200 -43.4202 86.65 200295 05187 0 zeta Lep 2003:299:21:50:15.115 3.0 ACIS-I NONE 86.7457 -14.8459 66.62 990001 04411 1 ACIS BACKGROUND 2003:299:23:44:37.182 47.5 HRC-I NONE 283.6482 -37.6925 269.76 200255 04486 0 WR 135 2003:300:13:28:47.429 19.0 ACIS-S NONE 302.9510 36.2084 279.44 500498 05240 0 XTE J1810-197 2003:300:19:15:08.346 2.7 HRC-I NONE 272.4451 -19.7126 273.26 ORBITAL EVENTS: 2003:299:22:32:22.497 583 EAPOGEE ORBIT APOGEE 2003:301:06:16:07.671 583 EPERIGEE ORBIT PERIGEE 2003:302:13:59:15.632 584 EAPOGEE ORBIT APOGEE 2003:303:21:43:31.185 584 EPERIGEE ORBIT PERIGEE 2003:305:05:26:59.077 585 EAPOGEE ORBIT APOGEE 2003:306:13:10:35.131 585 EPERIGEE ORBIT PERIGEE 2003:307:20:54:45.644 586 EAPOGEE ORBIT APOGEE EVENTS DONE OBSID -------------- ---- ----- Start Shift 300:1200 AOS DSS-54 (Madrid 34m) 300:1324 Status at AOS was as expected (see note 1) LOS DSS-54 300:1415 End of shift 300:1500 NOTES/ISSUES/PROBLEMS --------------------- 1) Status at AOS: UTC 2003:300:13:25:03 (Oct27) f_ACE 3.99e+03 F_CRM 8.72e+08 Kp 2.3 R km 108086D OBT 2003:300:13:24:35 CTUVCDU 1349119 OBC s/w NRML FMT1_NORM CPEstat NORM OBT 183648275.18 ONLVCDU 1349104 OBC Errs 0 OBSID 3713 EPState SUN SIM TTpos -99616 HETG Angle 79.46 PCADMODE NPNT RA 129.114 Bus V 30.08 SIM FApos -715 LETG Angle 77.59 PCONTROL NPNT Dec -43.420 Bus I 25.20 AOFSTAR GUID Roll 86.646 ACA Object SSSSSSSS Dither ENAB HRC-I HV ON ACA ImFunc NNNTTTTT Dith Yang -1.33 Yaw Rate -0.08 HRC-S HV OFF ACA CCD Temp -15.6 Dith Zang -16.10 Pitch Rate 0.00 OBSMode OBSV ACA Int Time 1.698 Roll Rate 0.04 Door OP UNAC AOACSTAT OK FSS SunBeta SUN Door CL UNAC FSS Alfa -1.11 Batt 1 SOC 100.00% Avg HRMA Temp 70.63 FSS Beta 14.00 Batt 2 SOC 100.00% ACIS Stat7-0 67 Avg OBA Temp 51.93 SA Resolv 75.43 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 12.18 RadMon DISA HRMA power 79.40 SCS 128 INAC -Y SA Amps 12.56 EPHIN Geom SMAL OBA power 75.90 SCS 129 INAC +Y SA Temp 114.20 E150 1448.2 SCS 130 INAC -Y SA Temp 115.12 E300 27.2 Roll Mom. 8.208 SCS 107 DISA E1300 3.4 Pitch Mom. -19.160 UpL Cmd Acc 23282 EPH A-Leak 1.0200 P4GM 16.0 Yaw Mom. 8.472 Cmd Rej A 137 EPH B-Leak 0.9800 P41GM 0.4 Gyro 1 Curr 1 9.60 Roll Bias -0.5201 Gyro 1 Curr 2 9.60 Pitch Bias -1.8720 Gyro 2 Curr 1 103.20 Yaw Bias -0.8762 Gyro 2 Curr 2 98.40 Explanation Current Data: UTC 2003:300:13:25:03 (Oct27) f_ACE 3.99e+03 F_CRM 8.72e+08 Kp 2.3 R km 108086D Currently scheduled FPSI, OTG : HRC-S NONE Estimated Kp : 2.00 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 3.99e+03 GOES-10 P2 flux, in RADMON P4GM units : 0.09 GOES-12 P2 flux, in RADMON P4GM units : 0.49 GOES-10 P5 flux, in RADMON P41GM units : 0.04 GOES-12 P5 flux, in RADMON P41GM units : 0.04 Orbit Start Time : 2003:298:14:54:00 Geocentric Distance (km), Orbit Leg : 108185 D CRM Region : 2 (Magnetosheath) External Proton Flux (p/cm^2-s-sr-MeV) : 8.18310500000e+03 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 0.00000000000e+00 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 4.04338034517e+09 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 8.71885053600e+08 HRC IM PS = ON Stp 42/53 SP 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 = -119.9 DEA Pwr = 26.6 DPA Pwr = 12.0 Science State = Science Idle 2) Notes from 9:00am meeting: Operations (Darrel): - 10 supports over weekend, all 34m - Many telemetry problems, finally resolved - During DSS-34 support on 298/1115-1330 GRETA was not available first half of support due to lack of memory space on Noodle. FST cleared problem. - 4 SCS loaded, but no loads currently running - CAPS RUN: 593 297/1334 Activate SCS 107 820 298/1823 Disable angular momentum unloading logic subfunction in the OFP 675 298/1825 Enable SCS 107 820 300/0418 Disable angular momentum unloading logic subfunction in the OFP - SCS 107 ran autonomously at 299/1922:30 during obsid 3713 - Dumps current Mission Planning (Kevin): - Working maneuver only load (OCT2603A), products out this AM Needs to be uplinked in next two COMMs. - Working science resumption Plan A as described above S/C Engineering(Dan): - SCS 107 ran nominally both times. Extra errors seen due to SCS105 now being disabled. SOT(Bill): - See above notes on radiation. DSOPS(Joy): - Several QL's: 3732 3592 5190 GOT(Mike): - All OK. IST(Harold) - All OK Meetings/events: - 10:00am, S/E staff - 11:30am, SOT MP - 1:00pm, Contamination telecon - 2:00pm, ACIS project contamination mtg. - 2:30pm, FOT mgmt staff 3) Quick look data: Seq # ObsID It Target start time SI rat Comment -------------------------------------------------------------------------------------------