Jun_14_2000_H327.txt Shift H327 Start at 2000:167:01:30:00 GMT = 2000 Jun 14 9:30pm EDT End 2000 Jun 14 11:00pm EDT See http://asc.harvard.edu/acis/SOT_reports/sot-shift.html, or /proj/ascwww/AXAF/extra/science/htdocs/acis/SOT_reports/Jun_14_2000_H327.txt SOT Lead Robert Cameron SOT SC/ACA Tom Aldcroft, Bill Podgorski FOT-SI HRC-SI ACIS-SI OTHER Mike McGuirk Plan: Manually insert HETG, after HETG B-side retraction limit switch failure. Running load JUN1100E. Seq # ObsID Target start SI Grat RA dec roll ------------------------------------------------------------------------------------------ ---- 62025 CAL-ER 2000:167:01:00:32.128 -- -- 175.0000 -25.0000 249.15 600000 49898 NGC 1399 2000:167:01:38:02.182 ACIS-S HETG 54.6522 -35.4460 150.97 (*) ---- 62024 CAL-ER 2000:167:06:49:01.592 -- -- 90.2100 -70.1400 185.72 ORBITAL EVENTS: 2000:163:15:09:34.298 117 EAPOGEE ORBIT APOGEE 2000:164:22:53:08.029 117 EPERIGEE ORBIT PERIGEE 2000:166:06:37:17.979 118 EAPOGEE ORBIT APOGEE 2000:167:14:20:44.447 118 EPERIGEE ORBIT PERIGEE 2000:168:22:05:11.980 119 EAPOGEE ORBIT APOGEE 2000:170:05:49:27.825 119 EPERIGEE ORBIT PERIGEE EVENTS DONE OBSID -------------- ---- ----- Start Shift 167:0130 AOS DSS-54 (Madrid 34m) 167:0130 49898 Chandra status was as expected (see note 1) LOS DSS-54 (Madrid 34m) 167:0300 End of shift 167:0300 NOTES/ISSUES/PROBLEMS --------------------- 1) Chandra snapshot at 167:0140: UTC 2000:167:01:41:00 (Jun15) f_ACE 1.62e+02 F_ACE 9.36e+08 Kp 4.0 R km 105626D OBT 2000:167:01:40:28 CTUVCDU 6231843 OBC s/w NRML FMT2_EPS CPEstat OBT 77420428.91 ONLVCDU 6231832 OBC Errs 0 OBSID 49898 EPState SUN SIM TTpos 75623 HETG Angle 80.2 PCADMODE NPNT RA 54.655 Bus V 31.02 SIM FApos -467 LETG Angle 78.3 PCONTROL NPNT Dec -35.445 Bus I 32.54 AOFSTAR GUID Roll 150.969 ACA Object FFFSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang -6.67 Yaw Rate 0.29 HRC-S HV ON ACA CCD Temp -10.4 Dith Zang 7.29 Pitch Rate 0.05 OBSMode NEXT ACA Int Time 1.698 Roll Rate -0.13 Door OP UNAC AOACSTAT OK FSS SunBeta SUN Door CL UNAC FSS Alfa -0.85 Batt 1 SOC 100.00% Avg HRMA Temp 70.61 FSS Beta 24.83 Batt 2 SOC 100.00% ACIS Stat7-0 64 Avg OBA Temp 50.89 SA Resolv 64.97 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 15.46 HRMA power 32.70 SCS 128 -Y SA Amps 16.64 EPHIN Geom LARG OBA power 124.50 SCS 129 +Y SA Temp 107.90 E150 43 SCS 130 -Y SA Temp 108.17 E300 9 Roll Mom. 2.760 E1300 3 Pitch Mom. 13.077 UpL Cmd Acc 9816 EPH A-Leak 0.3640 P4GM 0 Yaw Mom. 6.003 Cmd Rej A 34 EPH B-Leak 0.0600 P41GM 0 2) Chandra state at 167:0140: WAS EXPECTED PCAD MODE = NPNT NPNT CONTROL LAW FLAG = NPNT NPNT Stars: = 5 5 FIDS = 3 3 RA = 54.652 deg 54.652 DEC = -35.446 deg -35.446 ROLL = 150.97 deg 150.97 Format = 2 2 OBSID = 42898 42898 SIM FA = -467 -468 SIM TSC = 75623 75624 HETGA = 81.0 deg (OUT) OUT HETGB = 80.2 deg (OUT) OUT LETGA = 79.5 deg (OUT) OUT LETGB = 78.3 deg (OUT) OUT EPHIN Geom = LARG E1300 = 3 LT 1318.52 (RADMON P4GM = 0 LT 3542.40 Triggers) P41GM = 0 LT 100.00 A-leak = 0.3640 B-leak = 0.0600 HRC IM PS Top,Bot Step = OFF, 0,0 SP PS Top,Bot Step = ON, 43,54 Shield 1 HV, Step = OFF, 0 Shield 2 HV, Step = ON, 8 Valid Evt Rate 1,2 = 0,0 Shield Event Rates = 3200 ACIS FP Temp = -119.9 DEA Pwr = 56.1 DPA Pwr = 42.5 3) ACE 130-214 keV proton flux (p/cm2-s-sr-MeV) and fluence (p/cm2-sr-MeV): Average Flux: 251, falling erratically 2-hour Fluence: 1.81E+06 (SOT alert at 3.6E+8)* Orbital Fluence: 9.36E+08 (SOT alert at 9.0E+9)** Kp: 4.0 (SOT alert at 6.0)* At these flux levels, Chandra is ok. 4) 0140: Start CAP 619A to insert HETG. 0143: Enable and activate SCS 239: PCAD deadman SCS. 0149: Disable SCS 82: OTG safing SCS. 0150: slow oscillation in attitude after manuever completion noted by PCAD. 0200: both MCE-A and MCE-B retract limit switches show "NRET". 0204: HETG insertion: both MCE-A and MCE-B limit switches show insert state. MCE-A and MCE-B pot angles are 6.3 degrees, as expected. 0210: MCE-A and MCE-B insert limit switches now show NON-INSERT. This is not expected. 0218: CAP proceeds, MCE 28V and 5V turned off. 0222: Return to normal point mode. 0226: CAP 619A complete. Although the HETG insert limit switches show non-insert, and cannot be retracted by software command, Chandra is in a suitable state for performing science for the next few days. Further investigation of the HETG insertion will continue tomorrow. 5) Quick Look data review: There are no new quicklook datasets this shift.