Oct_15_2001_L816.txt Shift L816 Start at 2001:288:11:30:00 GMT = 2001 Oct 15 7:30am EDT End 2001 Oct 15 12:30pm EDT SOT shift report 2001-10-15 L816 See http://asc.harvard.edu/acis/SOT_reports/sot-shift.html, or /proj/ascwww/AXAF/extra/science/htdocs/acis/SOT_reports/Oct_15_2001_L816.txt SOT Lead Bill Podgorski SOT SC/ACA FOT-SI HRC-SI ACIS-SI OTHER Plan: - On ascending leg just after perigee passage. Finish last observation in OCT0801C, HRC-S/LETG observation of the neutron star RXJ1856.5-3754 (obsid 3399). Then start running OCT1501B, observe XTE J1739-302 (obsid 1908) with ACIS-I. Radiation levels are moderate. Space weather predicts the possibility of an M or X class flare in the next several days from active region 9661. Seq # ObsID It Target start time SI Grat RA dec roll slew ---------------------------------------------------------------------------------------------------------- OCT0801C: 500285 03399 00 RXJ1856.5-3754 2001:288:11:59:12.704 9.3 HRC-S LETG 284.1260 -37.8911 272.99 31.62 OCT1501B: 400121 01908 00 XTE J1739-302 2001:288:15:02:52.000 5.0 ACIS-I NONE 264.7241 -30.2892 264.42 17.89 400168 02688 00 MXB 1659-298 2001:288:16:54:12.000 19.0 ACIS-S NONE 255.5114 -29.9293 259.32 7.99 ORBITAL EVENTS: 2001:288:04:30:15.502 302 EPERIGEE ORBIT PERIGEE 2001:288:08:49:40.993 303 XE1RADZ0 ELECTRON1 RADIATION EXIT0 2001:289:12:13:30.467 303 EAPOGEE ORBIT APOGEE 2001:290:14:17:14.151 303 EE1RADZ0 ELECTRON1 RADIATION ENTRY0 2001:290:19:56:27.978 303 EPERIGEE ORBIT PERIGEE 2001:291:00:23:14.151 304 XE1RADZ0 ELECTRON1 RADIATION EXIT0 2001:292:03:40:23.730 304 EAPOGEE ORBIT APOGEE 2001:293:04:56:09.891 304 EE1RADZ0 ELECTRON1 RADIATION ENTRY0 2001:293:11:23:43.788 304 EPERIGEE ORBIT PERIGEE EVENTS DONE OBSID -------------- ---- ----- Start Shift 288:1130 AOS DSS-66 288:1600 Status at AOS was as expected 1908 (see note 1) End of shift 288:1630 NOTES/ISSUES/PROBLEMS --------------------- 1) Status at AOS: UTC 2001:288:16:03:23 (Oct15) f_ACE 2.68e+02 F_CRM 8.67e+06 Kp 1.3 R km 95483A OBT 2001:288:16:02:50 CTUVCDU 2863743 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 119548970.87 ONLVCDU 2863728 OBC Errs 0 OBSID 1908 EPState SUN SIM TTpos 92903 HETG Angle 79.46 PCADMODE NPNT RA 264.725 Bus V 30.40 SIM FApos -535 LETG Angle 77.96 PCONTROL NPNT Dec -30.287 Bus I 28.24 AOFSTAR GUID Roll 264.418 ACA Object FFFSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang -7.59 Yaw Rate -0.04 HRC-S HV ON ACA CCD Temp -10.4 Dith Zang -0.77 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 -0.29 Batt 1 SOC 100.00% Avg HRMA Temp 70.58 FSS Beta 26.44 Batt 2 SOC 100.00% ACIS Stat7-0 65 Avg OBA Temp 51.29 SA Resolv 63.43 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 13.53 RadMon ENAB HRMA power 80.00 SCS 128 ACT -Y SA Amps 14.30 EPHIN Geom LARG OBA power 37.10 SCS 129 ACT +Y SA Temp 113.28 E150 36.7 SCS 130 ACT -Y SA Temp 113.89 E300 1.2 Roll Mom. 0.404 SCS 107 INAC E1300 0.0 Pitch Mom. -14.194 UpL Cmd Acc 13539 EPH A-Leak 1.0200 P4GM 0.1 Yaw Mom. 0.957 Cmd Rej A 39 EPH B-Leak 0.1960 P41GM 0.0 Explanation Current Data: UTC 2001:288:16:03:23 (Oct15) f_ACE 2.68e+02 F_CRM 8.67e+06 Kp 1.3 R km 95483A Currently scheduled FPSI, OTG : ACIS-I NONE Costello Kp : 1.33 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 2.68e+02 Orbit Start Time : 2001:288:04:34:00 Geocentric Distance (km), Orbit Leg : 95095 A CRM Region : 2 (Magnetosheath) External Proton Flux (p/cm^2-s-sr-MeV) : 2.17112000000e+03 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 2.17112000000e+03 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 6.75682590000e+08 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 8.66917950000e+06 HRC SP PS = ON Stp 90/102 IM PS = OFF Shield 1 HV = OFF Shield 2 HV = ON Stp 8 Valid Event Rate 1 = 81 Valid Event Rate 2 = 69 Shield Event Rates = 3300 ACIS FP Temp = -119.7 DEA Pwr = 53.0 DPA Pwr = 41.1 Science State = Science Active 2) Notes from 9:00am meeting: Operations (Darrel): - 7 supports over weekend, 5 34m, 2 26m - DSS-24 pass at 287:0100 was not successful due to CMC (Complex Master Computer) failures, both primary and backup, at Goldstone (took out all antennas). - In DSS-46 pass at 287:0900 we could not lockup for first 28 mins of pass. Site reolved the problem and extended the pass so that we did not have to rollover to SSR-B. - In DSS-54 support following all data was dumped, we are up to date now. - Two new load segments were uplinked, we are good thru 291:0930 Mission Planning (Ken): - OCT22 loads out for E-mail load review. S/C Engineering(Dan): - All is OK SOT(Bill): - Current ACE soft proton flux is down in 300's, having decreased from a peak of approx 100,000 last Friday. - SpaceWeather predicts a possible M or X class flare from active region 9661, a large region just coming into view. DSOPS(Joy): - One quick look - Have completed reprocessing of all mission data from beginning of mission GOT(Mike/Chris): - Planned power interruption on Saturday from 0630 to 1500 Generators and backup power worked well Meetings/events: - 10am, MP internal - 11am, S/C engineering internal - 2pm, Managers Meeting Roger: - No HT staff meeting this week 3) Quick look data: Seq # ObsID It Target start time SI Grat Comment ---------------------------------------------------------------------------------------------------------- 500285 03380 00 RXJ1856.5-3754 2001:283:05:18:34.886 167.5 HRC-S LETG