Feb_19_2001_M578.txt Shift M578 Start at 2001:050:19:30:00 GMT = 2001 Feb 19 2:30pm EST End 2001 Feb 19 5:30pm EST SOT shift report 2001-02-19 M578 See http://asc.harvard.edu/acis/SOT_reports/sot-shift.html, or /proj/ascwww/AXAF/extra/science/htdocs/acis/SOT_reports/Feb_19_2001_M578.txt SOT Lead Robert Cameron SOT SC/ACA FOT-SI HRC-SI ACIS-SI OTHER Plan: - Running FEB1901C load. Seq # ObsID Target start SI Grat RA dec roll ------------------------------------------------------------------------------------------- 900059 02232 HDF-N 2001:050:14:54:23.599 ACIS-I NONE 189.2072 62.2371 136.55 500172 01995 CRAB NEBULA 2001:052:03:50:00.000 ACIS-S NONE 83.6136 22.0355 273.07 ORBITAL EVENTS: 2001:050:04:25:30.918 212 EPERIGEE ORBIT PERIGEE 2001:051:12:08:39.762 213 EAPOGEE ORBIT APOGEE 2001:052:19:53:45.306 213 EPERIGEE ORBIT PERIGEE 2001:054:03:36:42.464 214 EAPOGEE ORBIT APOGEE 2001:055:11:20:58.771 214 EPERIGEE ORBIT PERIGEE 2001:056:19:04:24.947 215 EAPOGEE ORBIT APOGEE 2001:058:02:48:02.141 215 EPERIGEE ORBIT PERIGEE 2001:059:10:32:11.372 216 EAPOGEE ORBIT APOGEE 2001:060:18:16:05.507 216 EPERIGEE ORBIT PERIGEE EVENTS DONE OBSID -------------- ---- ----- Start Shift 050:1930 AOS DSS-46 (Canberra 26m) 050:2005 02232 LOS DSS-46 (Canberra 26m) 050:2205 End of shift 050:2230 NOTES/ISSUES/PROBLEMS --------------------- 1) Chandra snapshot: UTC 2001:050:21:31:01 (Feb19) f_ACE 5.86e+01 F_ACE 2.42e+06 Kp 1.0 R km 119389A OBT 2001:050:21:30:38 CTUVCDU 6579944 OBC s/w NRML FMT2_SSR CPEstat NORM OBT 99005438.92 ONLVCDU 6579936 OBC Errs 0 OBSID 2232 EPState SUN SIM TTpos 90567 HETG Angle 79.84 PCADMODE NPNT RA 189.212 Bus V 30.08 SIM FApos -535 LETG Angle 78.34 PCONTROL NPNT Dec 62.236 Bus I 31.78 AOFSTAR GUID Roll 136.544 ACA Object FFFSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang -7.99 Yaw Rate 0.06 HRC-S HV ON ACA CCD Temp -10.4 Dith Zang 3.48 Pitch Rate -0.12 OBSMode NEXT ACA Int Time 1.698 Roll Rate -0.08 Door OP UNAC AOACSTAT OK FSS SunBeta SUN Door CL UNAC FSS Alfa 0.03 Batt 1 SOC 100.00% Avg HRMA Temp 70.58 FSS Beta -32.98 Batt 2 SOC 100.00% ACIS Stat7-0 65 Avg OBA Temp 50.89 SA Resolv 122.88 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 32.70 SCS 128 ACT -Y SA Amps 15.85 EPHIN Geom LARG OBA power 174.90 SCS 129 ACT +Y SA Temp 116.22 E150 0.8 SCS 130 ACT -Y SA Temp 116.95 E300 0.0 Roll Mom. 0.484 SCS 107 INAC E1300 0.0 Pitch Mom. -3.411 UpL Cmd Acc 5391 EPH A-Leak 1.0200 P4GM 0.0 Yaw Mom. 5.966 Cmd Rej A 246 EPH B-Leak 0.1840 P41GM 0.0 Current Data: UTC 2001:050:21:31:01 (Feb19) f_ACE 5.86e+01 F_ACE 2.42e+06 Kp 1.0 R km 119389A Currently scheduled FPSI, OTG : ACIS-I NONE Costello Kp : 1.00 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 5.86e+01 Orbit Start Time : 2001:050:04:29:01 Geocentric Distance (km), Orbit Leg : 119286 A CRM Region : 2 (Magnetosheath) External Proton Flux (p/cm^2-s-sr-MeV) : 7.30363000000e+02 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 7.30363000000e+02 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 1.25520632569e+08 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 5.90809614916e+07 2) Status at 050:2130: Observed Expected -------- -------- PCAD MODE = NPNT NPNT CONTROL LAW FLAG = NPNT NPNT Stars: = 5 5 FIDS = 3 3 RA = 189.2072 deg 189.2072 DEC = 62.2371 deg 62.2371 ROLL = 136.55 deg 136.55 Format = 2 2 OBSID = 2232 2232 SIM FA = -535 -536 SIM TSC = 90567 90568 HETGA = 79.84 deg (OUT) OUT HETGB = 80.59 deg (OUT) OUT LETGA = 79.09 deg (OUT) OUT LETGB = 78.34 deg (OUT) OUT ACIS FP Temp = -119.7 DEA Pwr = 46.5 DPA Pwr = 40.8 Science State = Science Active HRC IM PS = OFF, 0, 0 SP PS = ON, 43, 54 Shield 1 HV = OFF, 0 Shield 2 HV = OFF, 0 Valid Event Rate 1 = 0 Valid Event Rate 2 = 0 Shield Event Rates = 0 3) Radiation --------- ACE P3 proton flux is low. ACE 2 hr fluence is 4.2e5 vs. threshold 3.6e8. CRM-based orbital fluence is 5.9e7 vs. threshold 1.0e9. Chandra is in the magnetosheath. 4) Quick Look data review (OK unless noted): There were no new quick look data in this shift. 5) A warm pixel on the ACA focal plane is occasionally causing the OBC to re-issue a search command for the star in slot 4. This has been observed 3 times in one hour (presumably related to the dither frequency). The warm pixel is about 300 counts/integration.