Sep_04_2001_L775.txt Shift L775 Start at 2001:247:11:15:00 GMT = 2001 Sep 4 7:15am EDT End 2001 Sep 4 11:00am EDT SOT shift report 2001-09-04 L775 See http://asc.harvard.edu/acis/SOT_reports/sot-shift.html, or /proj/ascwww/AXAF/extra/science/htdocs/acis/SOT_reports/Sep_04_2001_L775.txt SOT Lead Bill Podgorski SOT SC/ACA FOT-SI HRC-SI ACIS-SI OTHER Plan: - Running load SEP0301B on descending leg. Observing 'XTE J1723-376' (obsid 1934) with ACIS-I. Current ACE solar proton flux levels are very low. Solar wind speed started increasing on Sunday and is peaking now. CRM predicted fluence is moderately high for this orbit (1.1E9) so far. ACE fluence is low. Solar weather predictions are for potentially large earth-directed solar flares from sunspots 9591 and 9601. Seq # ObsID It Target start time SI Grat RA dec roll slew ---------------------------------------------------------------------------------------------------------- 400147 01934 00 XTE J1723-376 2001:247:06:56:23.958 29.7 ACIS-I NONE 260.8894 -37.6428 269.04 61.44 700377 02187 00 NGC 5135 2001:247:15:39:23.958 29.7 ACIS-S NONE 201.4289 -29.8123 230.97 49.33 600198 02064 00 NGC 5236 2001:248:00:22:23.958 10.0 ACIS-S NONE 204.2292 -29.8682 233.27 2.59 ORBITAL EVENTS: 2001:247:04:47:22.540 287 EAPOGEE ORBIT APOGEE 2001:248:12:31:02.605 287 EPERIGEE ORBIT PERIGEE 2001:249:20:15:08.366 288 EAPOGEE ORBIT APOGEE 2001:251:03:58:55.814 288 EPERIGEE ORBIT PERIGEE 2001:252:11:43:22.174 289 EAPOGEE ORBIT APOGEE 2001:253:19:27:54.731 289 EPERIGEE ORBIT PERIGEE EVENTS DONE OBSID -------------- ---- ----- Start Shift 247:1115 Status at start shift was nominal (see note 1) 247:1127 1934 LOS DSS-46 (Canberra 26m) 247:1225 End of shift 247:1500 NOTES/ISSUES/PROBLEMS --------------------- 1) Status at start shift: UTC 2001:247:11:27:29 (Sep 4) f_ACE 1.48e+01 F_CRM 1.13e+09 Kp 3.3 R km 134301D OBT 2001:247:11:26:55 CTUVCDU 5752319 OBC s/w NRML FMT2_EPS CPEstat NORM OBT 115990015.58 ONLVCDU 5752304 OBC Errs 0 OBSID 1934 EPState SUN SIM TTpos 92903 HETG Angle 79.84 PCADMODE NPNT RA 260.887 Bus V 30.71 SIM FApos -535 LETG Angle 77.96 PCONTROL NPNT Dec -37.645 Bus I 28.49 AOFSTAR GUID Roll 269.035 ACA Object FFFSSSSS Dither ENAB HRC-I HV ON ACA ImFunc TTTTTTTT Dith Yang 7.90 Yaw Rate -0.14 HRC-S HV OFF ACA CCD Temp -10.4 Dith Zang 7.37 Pitch Rate -0.01 OBSMode NEXT ACA Int Time 1.698 Roll Rate -0.08 Door OP UNAC AOACSTAT OK FSS SunBeta SUN Door CL UNAC FSS Alfa -0.38 Batt 1 SOC 100.00% Avg HRMA Temp 70.63 FSS Beta -10.55 Batt 2 SOC 100.00% ACIS Stat7-0 65 Avg OBA Temp 50.66 SA Resolv 100.64 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 69.10 SCS 128 ACT -Y SA Amps 14.49 EPHIN Geom LARG OBA power 41.90 SCS 129 ACT +Y SA Temp 110.51 E150 16.3 SCS 130 ACT -Y SA Temp 110.51 E300 0.4 Roll Mom. -0.490 SCS 107 INAC E1300 0.0 Pitch Mom. 10.242 UpL Cmd Acc 28778 EPH A-Leak 0.3080 P4GM 0.1 Yaw Mom. 5.607 Cmd Rej A 157 EPH B-Leak 0.0600 P41GM 0.0 Explanation Current Data: UTC 2001:247:11:28:50 (Sep 4) f_ACE 0.00e+00 F_CRM 1.13e+09 Kp 3.3 R km 134279D Currently scheduled FPSI, OTG : ACIS-I NONE Costello Kp : 3.33 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 1.48e+01 Orbit Start Time : 2001:245:21:09:02 Geocentric Distance (km), Orbit Leg : 134388 D CRM Region : 3 (Magnetosphere) External Proton Flux (p/cm^2-s-sr-MeV) : 3.66728000000e+03 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 3.66728000000e+03 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 1.97615092590e+09 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 1.13087872590e+09 HRC SP PS = OFF IM PS = ON Stp 42/53 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 = -119.7 DEA Pwr = 50.6 DPA Pwr = 40.1 Science State = Science Active 2) Notes from 9:00am meeting: Operations (Darell): - 10 supports over long weekend, 7 34m, 3 26m - 3 SCS uplinked, good thru 251:1414 - dumps current thru last pass - DSS-24 support starting 246:0555 was cancelled due to antenna problems. - Data was slow getting to JPL from stations due to unanticipated Cassini data flow. All caught up now, however. - SSR-A record pointer was reset to zero as part of recovery of the 3.5 hrs of data thought to be lost by JPL on Friday. Turns out that the data was available from JPL and has been retrieved. - Approved CAP 700, switch to SSR-A from SSR-B, for execution next COMM. Mission Planning (Ken): - SEP10 E-mail load review held, new products out today for review tomorrow. - SEP17 load in work, has comet observation (BORRELLY) co-ordinated obs with Deep Space 1 plus dark moon obs. S/C Engineering(Jeff/Mike/Bill): - SSR-B record pointer moved to zero (default) without need for patch. This process may be useful in the future, and so it will be turned into a FOT procedure. - Gyro noisier over weekend than last week. Has quieted down now. SOT(Bill): - ACE soft proton flux levels low (under 20), but we are in magnetosphere/ magnetosheath, and solar wind has been high, consequently we have accumulated about 1.1E9 fluence per CRM model. - Warnings on spaceweather.com about solar flares from two active regions 9591 and 9601. DSOPS(Joy): - Three QL's (see below). GOT(Mike): - All OK. Meetings/events: - 9:15am, CAP review - 1pm, FOT engineering mtg - 1:15pm, review mtg on combined radiation/eclipse actions. 3) Quick look data: Seq # ObsID It Target start time SI Grat Comment ---------------------------------------------------------------------------------------------------------- 800152 02213 00 A1758 2001:240:20:43:36.575 59.0 ACIS-S NONE 700371 02181 00 SDSS0150+0041 2001:243:15:16:27.194 3.3 ACIS-S NONE 500134 02515 00 SGR 0526-66 2001:244:14:00:11.240 7.0 ACIS-S NONE