Apr_23_2001_L641.txt Shift L641 Start at 2001:113:20:30:00 GMT = 2001 Apr 23 4:30am EDT End 2001 Apr 23 5:30pm EDT SOT shift report 2001-04-23 M641 See http://asc.harvard.edu/acis/SOT_reports/sot-shift.html, or /proj/ascwww/AXAF/extra/science/htdocs/acis/SOT_reports/Apr_23_2001_M641.txt SOT Lead Bill Podgorski SOT SC/ACA FOT-SI HRC-SI ACIS-SI OTHER Plan: - Running APR2201B, a combined load which includes NSM recovery, TOO and APR2301 load. Ascending from perigee, currently performing ACIS outbound CTI (obsid 61658). Added COMM to execute CAP 721 to re-enable RWA bias speeds after normal sun mode recovery. Radiation is low. Seq # ObsID It Target start time SI Grat RA dec roll slew ---------------------------------------------------------------------------------------------------------- ---- T_E36 CAL-ER 2001:113:07:03:12.266 7.9 -- -- 91.0000 -30.0000 242.92 -0.01 ---- 61658 CAL-ER 2001:113:20:05:45.911 10.0 -- -- 175.5000 21.0000 229.53 0.00 800128 01660 00 V 1121+2327 2001:113:23:20:25.911 72.1 ACIS-I NONE 170.2069 23.4302 232.55 5.56 ORBITAL EVENTS: 2001:113:15:29:49.782 236 EPERIGEE ORBIT PERIGEE 2001:114:23:14:32.274 237 EAPOGEE ORBIT APOGEE 2001:116:06:58:19.755 237 EPERIGEE ORBIT PERIGEE 2001:117:14:43:01.976 238 EAPOGEE ORBIT APOGEE 2001:118:22:27:47.552 238 EPERIGEE ORBIT PERIGEE EVENTS DONE OBSID -------------- ---- ----- Start Shift 113:2030 AOS DSS-54 (Madrid 34m) 113:2045 61658 Status at AOS was nominal (see note 1) Start CAP 721 113:2050 1) Uplink AONMMODE (to NMM) 2052 3) Uplink AORWMOME (enable RWA bias speeds) 2053 5) Activate SCS 38 (Idle ACA) 2105 6) Uplink AONPMODE (to NPT) 2106 End of shift 113:2115 NOTES/ISSUES/PROBLEMS --------------------- 1) Status at AOS: UTC 2001:113:20:49:04 (Apr23) f_ACE 1.66e+02 F_CRM 0.00e+00 Kp 1.3 R km 60181A OBT 2001:113:20:48:31 CTUVCDU 11034623 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 104446111.77 ONLVCDU 11034608 OBC Errs 0 OBSID 61658 EPState SUN SIM TTpos -99616 HETG Angle 79.84 PCADMODE NPNT RA 175.499 Bus V 30.55 SIM FApos -467 LETG Angle 78.34 PCONTROL NPNT Dec 21.002 Bus I 27.73 AOFSTAR GUID Roll 229.532 ACA Object SSSSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang -1.98 Yaw Rate -0.23 HRC-S HV ON ACA CCD Temp -10.4 Dith Zang 7.88 Pitch Rate 0.05 OBSMode NEXT ACA Int Time 1.698 Roll Rate 0.15 Door OP UNAC AOACSTAT OK FSS SunBeta SUN Door CL UNAC FSS Alfa -0.36 Batt 1 SOC 100.00% Avg HRMA Temp 70.61 FSS Beta -41.41 Batt 2 SOC 100.00% ACIS Stat7-0 64 Avg OBA Temp 51.05 SA Resolv 131.36 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 13.14 RadMon DISA HRMA power 88.70 SCS 128 ACT -Y SA Amps 14.10 EPHIN Geom SMAL OBA power 94.40 SCS 129 ACT +Y SA Temp 112.97 E150 964682.9 SCS 130 ACT -Y SA Temp 113.28 E300 1264.8 Roll Mom. 2.119 SCS 107 INAC E1300 4.1 Pitch Mom. -6.230 UpL Cmd Acc 26262 EPH A-Leak 0.8800 P4GM 28878.0 Yaw Mom. 1.049 Cmd Rej A 71 EPH B-Leak 0.1560 P41GM 0.3 Current Data: UTC 2001:113:20:49:04 (Apr23) f_ACE 1.66e+02 F_CRM 0.00e+00 Kp 1.3 R km 60181A Currently scheduled FPSI, OTG : HRC-S NONE Costello Kp : 1.33 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 1.66e+02 Orbit Start Time : 2001:113:15:34:01 Geocentric Distance (km), Orbit Leg : 60181 A CRM Region : 3 (Magnetosphere) External Proton Flux (p/cm^2-s-sr-MeV) : 2.55379000000e+02 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 0.00000000000e+00 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 1.01319536100e+08 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 0.00000000000e+00 HRC SP PS = ON Steps 43/54 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 = -119.9 DEA Pwr = 34.9 DPA Pwr = 39.3 Science State = Science Active 2) CAP 721, Re-enable RWA bias speeds: During change of RWA bias speeds the attitude errors were under 10 arcsec in roll and under 2 in yaw and pitch. Errors were again under10 in roll and under 1 in yaw and pitch when normal point mode was commanded.