////////////////////////////////////////////////////////////////////// TITLE: GCN/SWIFT NOTICE NOTICE_DATE: Wed 21 Feb 24 22:29:59 UT NOTICE_TYPE: Swift-BAT GRB Position TRIGGER_NUM: 1216746, Seg_Num: 0 GRB_RA: 256.599d {+17h 06m 24s} (J2000), 257.010d {+17h 08m 02s} (current), 255.748d {+17h 02m 59s} (1950) GRB_DEC: -37.937d {-37d 56' 11"} (J2000), -37.967d {-37d 58' 02"} (current), -37.870d {-37d 52' 12"} (1950) GRB_ERROR: 3.00 [arcmin radius, statistical only] GRB_INTEN: 0 [cnts] Image_Peak=1772 [image_cnts] TRIGGER_DUR: 64.000 [sec] TRIGGER_INDEX: 20000 E_range: 15-50 keV BKG_INTEN: 0 [cnts] BKG_TIME: 0.00 SOD {00:00:00.00} UT BKG_DUR: 0 [sec] GRB_DATE: 20361 TJD; 52 DOY; 24/02/21 GRB_TIME: 80919.04 SOD {22:28:39.04} UT GRB_PHI: -31.28 [deg] GRB_THETA: 24.25 [deg] SOLN_STATUS: 0x413 RATE_SIGNIF: 0.00 [sigma] IMAGE_SIGNIF: 8.10 [sigma] MERIT_PARAMS: +1 +0 +0 +6 +1 -2 +0 +1 -26 +0 SUN_POSTN: 334.74d {+22h 18m 58s} -10.48d {-10d 28' 43"} SUN_DIST: 73.94 [deg] Sun_angle= 5.2 [hr] (West of Sun) MOON_POSTN: 127.92d {+08h 31m 41s} +23.92d {+23d 55' 05"} MOON_DIST: 134.73 [deg] MOON_ILLUM: 94 [%] GAL_COORDS: 347.97, 1.73 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 259.09,-15.00 [deg] ecliptic lon,lat of the burst (or transient) COMMENTS: SWIFT-BAT GRB Coordinates. COMMENTS: This is an image trigger. (The RATE_SIGNIF & BKG_{INTEN, TIME, DUR} are undefined.) COMMENTS: A point_source was found. COMMENTS: This does not match any source in the on-board catalog. COMMENTS: This does not match any source in the ground catalog. COMMENTS: This is a GRB. COMMENTS: This trigger occurred at longitude,latitude = 159.84,-0.95 [deg]. COMMENTS: COMMENTS: This trigger occured while the StarTracker had lost lock, so it is possibly bogus. COMMENTS: COMMENTS: NOTE: This is an ImageTrigger with a ST LoL, so it was NOT distributed to the world! ////////////////////////////////////////////////////////////////////// TITLE: GCN/SWIFT NOTICE NOTICE_DATE: Wed 21 Feb 24 22:30:12 UT NOTICE_TYPE: Swift-FOM Will_Observe TRIGGER_NUM: 1216746, Seg_Num: 0 GRB_RA: 256.599d {+17h 06m 24s} (J2000), 257.010d {+17h 08m 02s} (current), 255.748d {+17h 02m 59s} (1950) GRB_DEC: -37.937d {-37d 56' 11"} (J2000), -37.967d {-37d 58' 02"} (current), -37.870d {-37d 52' 12"} (1950) GRB_DATE: 20361 TJD; 52 DOY; 24/02/21 GRB_TIME: 80919.04 SOD {22:28:39.04} UT TRIGGER_INDEX: 20000 RATE_SIGNIF: 0.00 [sigma] IMAGE_SIGNIF: 8.10 [sigma] FLAGS: 0x3 MERIT: 100.00 SUN_POSTN: 334.74d {+22h 18m 58s} -10.48d {-10d 28' 43"} SUN_DIST: 73.94 [deg] Sun_angle= 5.2 [hr] (West of Sun) MOON_POSTN: 127.92d {+08h 31m 41s} +23.92d {+23d 55' 03"} MOON_DIST: 134.73 [deg] MOON_ILLUM: 94 [%] GAL_COORDS: 347.97, 1.73 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 259.09,-15.00 [deg] ecliptic lon,lat of the burst (or transient) COMMENTS: SWIFT Figure-of-Merit decision. COMMENTS: This was of sufficient merit to become the new Automated Target; COMMENTS: but if the Current PPT has a greater merit, then we will not request a slew. COMMENTS: FOM will request the s/c to slew. COMMENTS: The S/C has yet to make its decision about safe to slew or not. COMMENTS: This does not match any source in the ground catalog. COMMENTS: COMMENTS: The next comments were copied from the BAT_POS Notice: COMMENTS: This is an image trigger. (The RATE_SIGNIF is undefined.) COMMENTS: A point_source was found. COMMENTS: This does not match any source in the on-board catalog. COMMENTS: This is a GRB. COMMENTS: This trigger occurred at longitude,latitude = 159.84,-0.95 [deg]. COMMENTS: COMMENTS: This trigger occured while the StarTracker had lost lock, so it is possibly bogus. ////////////////////////////////////////////////////////////////////// TITLE: GCN/SWIFT NOTICE NOTICE_DATE: Wed 21 Feb 24 22:30:19 UT NOTICE_TYPE: Swift-S/C Will_Slew TRIGGER_NUM: 1216746, Seg_Num: 0 GRB_RA: 256.599d {+17h 06m 24s} (J2000), 257.010d {+17h 08m 02s} (current), 255.748d {+17h 02m 59s} (1950) GRB_DEC: -37.937d {-37d 56' 11"} (J2000), -37.967d {-37d 58' 02"} (current), -37.870d {-37d 52' 12"} (1950) GRB_DATE: 20361 TJD; 52 DOY; 24/02/21 GRB_TIME: 80919.04 SOD {22:28:39.04} UT TRIGGER_INDEX: 20000 RATE_SIGNIF: 0.00 [sigma] IMAGE_SIGNIF: 8.10 [sigma] SLEW_QUERY: 0x0 WAIT_TIME: 0.00 [sec] (=0.0 [min]) OBS_TIME: 598.00 [sec] (=10.0 [min]) INST_MODES: BAT: 0=0x0 XRT: 0=0x0 UVOT: 32768=0x8000 MERIT: 100.00 SUN_POSTN: 334.74d {+22h 18m 58s} -10.48d {-10d 28' 43"} SUN_DIST: 73.94 [deg] Sun_angle= 5.2 [hr] (West of Sun) MOON_POSTN: 127.92d {+08h 31m 42s} +23.92d {+23d 55' 02"} MOON_DIST: 134.73 [deg] MOON_ILLUM: 94 [%] GAL_COORDS: 347.97, 1.73 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 259.09,-15.00 [deg] ecliptic lon,lat of the burst (or transient) COMMENTS: SWIFT SC Slew decision. COMMENTS: SC will immediately slew to this target. COMMENTS: This does not match any source in the ground catalog. COMMENTS: COMMENTS: The next comments were copied from the BAT_POS Notice: COMMENTS: This is an image trigger. (The RATE_SIGNIF is undefined.) COMMENTS: A point_source was found. COMMENTS: This does not match any source in the on-board catalog. COMMENTS: This is a GRB. COMMENTS: This trigger occurred at longitude,latitude = 159.84,-0.95 [deg]. COMMENTS: COMMENTS: This trigger occured while the StarTracker had lost lock, so it is possibly bogus. ////////////////////////////////////////////////////////////////////// TITLE: GCN/SWIFT NOTICE NOTICE_DATE: Wed 21 Feb 24 22:32:32 UT NOTICE_TYPE: Swift-XRT Position TRIGGER_NUM: 1216746, Seg_Num: 0 GRB_RA: 256.6878d {+17h 06m 45.07s} (J2000), 257.0993d {+17h 08m 23.82s} (current), 255.8366d {+17h 03m 20.78s} (1950) GRB_DEC: -37.9547d {-37d 57' 16.9"} (J2000), -37.9852d {-37d 59' 06.6"} (current), -37.8886d {-37d 53' 18.8"} (1950) GRB_ERROR: 5.2 [arcsec radius, statistical plus systematic, 90% containment] GRB_INTEN: 1.90e-09 [erg/cm2/sec] GRB_SIGNIF: 8.42 [sigma] IMG_START_DATE: 20361 TJD; 52 DOY; 24/02/21 IMG_START_TIME: 81065.14 SOD {22:31:05.14} UT, 146.1 [sec] since BAT Trigger Time TAM[0-3]: 327.70 237.12 261.68 243.59 AMPLIFIER: 2 WAVEFORM: 134 SUN_POSTN: 334.74d {+22h 18m 59s} -10.48d {-10d 28' 40"} SUN_DIST: 73.87 [deg] Sun_angle= 5.2 [hr] (West of Sun) MOON_POSTN: 127.94d {+08h 31m 46s} +23.91d {+23d 54' 44"} MOON_DIST: 134.78 [deg] MOON_ILLUM: 94 [%] GAL_COORDS: 348.00, 1.67 [deg] galactic lon,lat of the burst ECL_COORDS: 259.17,-15.01 [deg] ecliptic lon,lat of the burst COMMENTS: SWIFT-XRT Coordinates. COMMENTS: The XRT position is 4.35 arcmin from the BAT position. COMMENTS: WARNING: The centroided position is more than 100 rows or columns from the center of the FOV. ////////////////////////////////////////////////////////////////////// TITLE: GCN/SWIFT NOTICE NOTICE_DATE: Wed 21 Feb 24 22:32:47 UT NOTICE_TYPE: Swift-XRT Spectrum TRIGGER_NUM: 1216746, Seg_Num: 0 SPEC_START_DATE: 20361 TJD; 52 DOY; 24/02/21 SPEC_START_TIME: 81070.04 SOD {22:31:10.04} UT, 151.0 [sec] since BAT Trigger Time SPEC_STOP_DATE: 20361 TJD; 52 DOY; 24/02/21 SPEC_STOP_TIME: 81071.30 SOD {22:31:11.30} UT LIVETIME: 1.37 [sec] POINT_RA: 256.60d {+17h 06m 23s} (J2000) POINT_DEC: -37.94d {-37d 56' 25"} (J2000) MODE: 5, Low Rate Photodiode mode WAVEFORM: 82 LRPD_BIAS: 0 (this value is valid only when in LRPD mode) TERM_COND: 4 SPEC_URL: sw01216746000msxlr.pha SUN_POSTN: 334.74d {+22h 18m 59s} -10.48d {-10d 28' 40"} SUN_DIST: 73.95 [deg] Sun_angle= 5.2 [hr] (West of Sun) MOON_POSTN: 127.95d {+08h 31m 47s} +23.91d {+23d 54' 42"} MOON_DIST: 134.71 [deg] MOON_ILLUM: 94 [%] GAL_COORDS: 347.97, 1.73 [deg] galactic lon,lat of the pointing direction ECL_COORDS: 259.09,-15.01 [deg] ecliptic lon,lat of the pointing direction COMMENTS: SWIFT-XRT Spectrum. COMMENTS: This spectrum accumulation was terminated by the 'LRPD-to-WT Transition' condition. ////////////////////////////////////////////////////////////////////// TITLE: GCN/SWIFT NOTICE NOTICE_DATE: Wed 21 Feb 24 22:32:42 UT NOTICE_TYPE: Swift-XRT Image TRIGGER_NUM: 1216746, Seg_Num: 0 GRB_RA: 256.6878d {+17h 06m 45.0s} (J2000), 257.0993d {+17h 08m 23.8s} (current), 255.8366d {+17h 03m 20.7s} (1950) GRB_DEC: -37.9547d {-37d 57' 16.9"} (J2000), -37.9852d {-37d 59' 06.6"} (current), -37.8886d {-37d 53' 18.8"} (1950) GRB_ERROR: 5.0 [arcsec, radius, statistical plus systematic] GRB_INTEN: 71 [cnts] IMG_START_DATE: 20361 TJD; 52 DOY; 24/02/21 IMG_START_TIME: 81065.14 SOD {22:31:05.14} UT, 146.1 [sec] since BAT Trigger Time CENTROID_X: 197.35, raw= 197 [pixels] CENTROID_Y: 278.01, raw= 278 [pixels] ROLL: 91.15 [deg] GAIN: 1 MODE: 3, Long Image mode WAVEFORM: 134 EXPO_TIME: 2.50 [sec] GRB_POS_XRT_Y: -47.34 GRB_POS_XRT_Z: -259.41 IMAGE_URL: sw01216746000msxps_rw.img SUN_POSTN: 334.74d {+22h 18m 59s} -10.48d {-10d 28' 40"} SUN_DIST: 73.87 [deg] Sun_angle= 5.2 [hr] (West of Sun) MOON_POSTN: 127.94d {+08h 31m 47s} +23.91d {+23d 54' 43"} MOON_DIST: 134.78 [deg] MOON_ILLUM: 94 [%] GAL_COORDS: 348.00, 1.67 [deg] galactic lon,lat of the burst ECL_COORDS: 259.17,-15.01 [deg] ecliptic lon,lat of the burst COMMENTS: SWIFT-XRT Image. COMMENTS: WARNING: The centroided position is more than 100 rows or columns from the center of the FOV. ////////////////////////////////////////////////////////////////////// TITLE: GCN/SWIFT NOTICE NOTICE_DATE: Wed 21 Feb 24 22:33:13 UT NOTICE_TYPE: Swift-XRT Spectrum TRIGGER_NUM: 1216746, Seg_Num: 0 SPEC_START_DATE: 20361 TJD; 52 DOY; 24/02/21 SPEC_START_TIME: 81071.04 SOD {22:31:11.04} UT, 152.0 [sec] since BAT Trigger Time SPEC_STOP_DATE: 20361 TJD; 52 DOY; 24/02/21 SPEC_STOP_TIME: 81091.73 SOD {22:31:31.73} UT LIVETIME: 20.28 [sec] POINT_RA: 256.60d {+17h 06m 23s} (J2000) POINT_DEC: -37.94d {-37d 56' 20"} (J2000) MODE: 6, Windowed Timing mode WAVEFORM: 60 LRPD_BIAS: 0 (this value is valid only when in LRPD mode) TERM_COND: 5 SPEC_URL: sw01216746000msxwt.pha SUN_POSTN: 334.74d {+22h 18m 59s} -10.48d {-10d 28' 40"} SUN_DIST: 73.95 [deg] Sun_angle= 5.2 [hr] (West of Sun) MOON_POSTN: 127.95d {+08h 31m 48s} +23.91d {+23d 54' 39"} MOON_DIST: 134.71 [deg] MOON_ILLUM: 94 [%] GAL_COORDS: 347.97, 1.73 [deg] galactic lon,lat of the pointing direction ECL_COORDS: 259.09,-15.01 [deg] ecliptic lon,lat of the pointing direction COMMENTS: SWIFT-XRT Spectrum. COMMENTS: This spectrum accumulation was terminated by the 'WT-to-LRorPC Transition' condition. ////////////////////////////////////////////////////////////////////// TITLE: GCN/SWIFT NOTICE NOTICE_DATE: Wed 21 Feb 24 22:35:05 UT NOTICE_TYPE: Swift-XRT Lightcurve TRIGGER_NUM: 1216746, Seg_Num: 0 POINT_RA: 256.595d {+17h 06m 23s} (J2000) POINT_DEC: -37.939d {-37d 56' 20"} (J2000) LC_START_DATE: 20361 TJD; 52 DOY; 24/02/21 LC_START_TIME: 81070.45 SOD {22:31:10.45} UT, 151.4 [sec] since BAT Trigger Time LC_STOP_DATE: 20361 TJD; 52 DOY; 24/02/21 LC_STOP_TIME: 81293.96 SOD {22:34:53.96} UT LC_LIVE_TIME: 221.10 [sec], 98.9% DELTA_TIME: 86176.49 [sec] N_BINS: 100 TERM_COND: 0 LC_URL: sw01216746000msx.lc SUN_POSTN: 334.75d {+22h 18m 59s} -10.48d {-10d 28' 38"} SUN_DIST: 73.95 [deg] Sun_angle= 5.2 [hr] (West of Sun) MOON_POSTN: 127.97d {+08h 31m 52s} +23.91d {+23d 54' 23"} MOON_DIST: 134.69 [deg] MOON_ILLUM: 94 [%] GAL_COORDS: 347.97, 1.73 [deg] galactic lon,lat of the pointing direction ECL_COORDS: 259.09,-15.01 [deg] ecliptic lon,lat of the pointing direction COMMENTS: SWIFT-XRT Lightcurve. ////////////////////////////////////////////////////////////////////// TITLE: GCN/SWIFT NOTICE NOTICE_DATE: Wed 21 Feb 24 23:19:51 UT NOTICE_TYPE: Swift-XRT Single-Pixel-Event-Report TRIGGER_NUM: 1216746, Seg_Num: 0 POINT_RA: 256.597d {+17h 06m 23s} (J2000) POINT_DEC: -37.939d {-37d 56' 20"} (J2000) SPER_START_DATE: 20361 TJD; 52 DOY; 24/02/21 SPER_START_TIME: 81093.38 SOD {22:31:33.38} UT, 84374.3 [sec] since BAT Trigger Time SPER_STOP_DATE: 20361 TJD; 52 DOY; 24/02/21 SPER_STOP_TIME: 81401.78 SOD {22:36:41.78} UT, Stop-Start= 308.40 [sec] TOT_EXPO_TIME: 303.38 [sec] N_PKTS: 121 N_EVTS: 286 SPER_URL: sw01216746000msxpc_uf.evt SUN_POSTN: 334.78d {+22h 19m 06s} -10.47d {-10d 27' 58"} SUN_DIST: 73.98 [deg] Sun_angle= 5.2 [hr] (West of Sun) MOON_POSTN: 128.36d {+08h 33m 26s} +23.80d {+23d 48' 11"} MOON_DIST: 134.33 [deg] MOON_ILLUM: 94 [%] GAL_COORDS: 347.97, 1.73 [deg] galactic lon,lat of the pointing direction ECL_COORDS: 259.09,-15.01 [deg] ecliptic lon,lat of the pointing direction COMMENTS: SWIFT-XRT Single-Pixel-Event-Report. COMMENTS: COMMENTS: This was generated when the StarTracker had lost lock. COMMENTS: COMMENTS: NOTE: This is an ImageTrigger with a ST LoL, so it was NOT distributed to the world! COMMENTS: This notice was forced out after watchdog timer expiring -- we did not want to wait for any more packets.