////////////////////////////////////////////////////////////////////// TITLE: GCN/SWIFT NOTICE NOTICE_DATE: Wed 21 Feb 24 22:36:44 UT NOTICE_TYPE: Swift-BAT GRB Position TRIGGER_NUM: 1216747, Seg_Num: 0 GRB_RA: 245.786d {+16h 23m 09s} (J2000), 246.130d {+16h 24m 31s} (current), 245.075d {+16h 20m 18s} (1950) GRB_DEC: -15.759d {-15d 45' 33"} (J2000), -15.814d {-15d 48' 50"} (current), -15.644d {-15d 38' 36"} (1950) GRB_ERROR: 3.00 [arcmin radius, statistical only] GRB_INTEN: 0 [cnts] Image_Peak=2968 [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: 81327.04 SOD {22:35:27.04} UT GRB_PHI: 152.86 [deg] GRB_THETA: 24.15 [deg] SOLN_STATUS: 0x413 RATE_SIGNIF: 0.00 [sigma] IMAGE_SIGNIF: 13.05 [sigma] MERIT_PARAMS: +1 +0 +0 +6 +1 +2 +0 +0 -6 +0 SUN_POSTN: 334.75d {+22h 18m 59s} -10.48d {-10d 28' 37"} SUN_DIST: 85.85 [deg] Sun_angle= 5.9 [hr] (West of Sun) MOON_POSTN: 127.98d {+08h 31m 55s} +23.90d {+23d 54' 09"} MOON_DIST: 121.70 [deg] MOON_ILLUM: 94 [%] GAL_COORDS: 359.53, 23.11 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 246.63, 5.74 [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 = 182.22,7.77 [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 22:36:57 UT NOTICE_TYPE: Swift-FOM Will_Observe TRIGGER_NUM: 1216747, Seg_Num: 0 GRB_RA: 245.786d {+16h 23m 09s} (J2000), 246.130d {+16h 24m 31s} (current), 245.075d {+16h 20m 18s} (1950) GRB_DEC: -15.759d {-15d 45' 33"} (J2000), -15.814d {-15d 48' 50"} (current), -15.644d {-15d 38' 36"} (1950) GRB_DATE: 20361 TJD; 52 DOY; 24/02/21 GRB_TIME: 81327.04 SOD {22:35:27.04} UT TRIGGER_INDEX: 20000 RATE_SIGNIF: 0.00 [sigma] IMAGE_SIGNIF: 13.05 [sigma] FLAGS: 0x3 MERIT: 100.00 SUN_POSTN: 334.75d {+22h 18m 59s} -10.48d {-10d 28' 36"} SUN_DIST: 85.85 [deg] Sun_angle= 5.9 [hr] (West of Sun) MOON_POSTN: 127.98d {+08h 31m 56s} +23.90d {+23d 54' 08"} MOON_DIST: 121.69 [deg] MOON_ILLUM: 94 [%] GAL_COORDS: 359.53, 23.11 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 246.63, 5.74 [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 = 182.22,7.77 [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 22:37:04 UT NOTICE_TYPE: Swift-S/C Will_Slew TRIGGER_NUM: 1216747, Seg_Num: 0 GRB_RA: 245.786d {+16h 23m 09s} (J2000), 246.130d {+16h 24m 31s} (current), 245.075d {+16h 20m 18s} (1950) GRB_DEC: -15.759d {-15d 45' 33"} (J2000), -15.814d {-15d 48' 50"} (current), -15.644d {-15d 38' 36"} (1950) GRB_DATE: 20361 TJD; 52 DOY; 24/02/21 GRB_TIME: 81327.04 SOD {22:35:27.04} UT TRIGGER_INDEX: 20000 RATE_SIGNIF: 0.00 [sigma] IMAGE_SIGNIF: 13.05 [sigma] SLEW_QUERY: 0x0 WAIT_TIME: 0.00 [sec] (=0.0 [min]) OBS_TIME: 140.00 [sec] (=2.3 [min]) INST_MODES: BAT: 0=0x0 XRT: 0=0x0 UVOT: 32768=0x8000 MERIT: 100.00 SUN_POSTN: 334.75d {+22h 18m 59s} -10.48d {-10d 28' 36"} SUN_DIST: 85.85 [deg] Sun_angle= 5.9 [hr] (West of Sun) MOON_POSTN: 127.98d {+08h 31m 56s} +23.90d {+23d 54' 07"} MOON_DIST: 121.69 [deg] MOON_ILLUM: 94 [%] GAL_COORDS: 359.53, 23.11 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 246.63, 5.74 [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 = 182.22,7.77 [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 22:38:15 UT NOTICE_TYPE: Swift-XRT Position TRIGGER_NUM: 1216747, Seg_Num: 0 GRB_RA: 245.8188d {+16h 23m 16.51s} (J2000), 246.1628d {+16h 24m 39.06s} (current), 245.1072d {+16h 20m 25.72s} (1950) GRB_DEC: -15.7382d {-15d 44' 17.5"} (J2000), -15.7929d {-15d 47' 34.3"} (current), -15.6226d {-15d 37' 21.2"} (1950) GRB_ERROR: 4.7 [arcsec radius, statistical plus systematic, 90% containment] GRB_INTEN: 3.33e-07 [erg/cm2/sec] GRB_SIGNIF: 15.90 [sigma] IMG_START_DATE: 20361 TJD; 52 DOY; 24/02/21 IMG_START_TIME: 81474.03 SOD {22:37:54.03} UT, 147.0 [sec] since BAT Trigger Time TAM[0-3]: 327.64 237.15 261.79 243.01 AMPLIFIER: 2 WAVEFORM: 134 SUN_POSTN: 334.75d {+22h 18m 59s} -10.48d {-10d 28' 35"} SUN_DIST: 85.82 [deg] Sun_angle= 5.9 [hr] (West of Sun) MOON_POSTN: 127.99d {+08h 31m 58s} +23.90d {+23d 53' 57"} MOON_DIST: 121.71 [deg] MOON_ILLUM: 94 [%] GAL_COORDS: 359.57, 23.10 [deg] galactic lon,lat of the burst ECL_COORDS: 246.65, 5.76 [deg] ecliptic lon,lat of the burst COMMENTS: SWIFT-XRT Coordinates. COMMENTS: The XRT position is 2.26 arcmin from the BAT position. COMMENTS: The object found at this position is either a very bright burst or a cosmic ray hit. COMMENTS: Examine the XRT Image to differentiate (CRs are much more compact); see examples at: COMMENTS: http://www.swift.psu.edu/xrt/XRT_Postage_Stamp_Image_Photo_Gallery.htm . ////////////////////////////////////////////////////////////////////// TITLE: GCN/SWIFT NOTICE NOTICE_DATE: Wed 21 Feb 24 22:38:25 UT NOTICE_TYPE: Swift-XRT Image TRIGGER_NUM: 1216747, Seg_Num: 0 GRB_RA: 245.8188d {+16h 23m 16.5s} (J2000), 246.1628d {+16h 24m 39.0s} (current), 245.1072d {+16h 20m 25.7s} (1950) GRB_DEC: -15.7382d {-15d 44' 17.5"} (J2000), -15.7929d {-15d 47' 34.3"} (current), -15.6226d {-15d 37' 21.2"} (1950) GRB_ERROR: 4.7 [arcsec, radius, statistical plus systematic] GRB_INTEN: 253 [cnts] IMG_START_DATE: 20361 TJD; 52 DOY; 24/02/21 IMG_START_TIME: 81474.03 SOD {22:37:54.03} UT, 147.0 [sec] since BAT Trigger Time CENTROID_X: 271.22, raw= 271 [pixels] CENTROID_Y: 335.20, raw= 335 [pixels] ROLL: 99.81 [deg] GAIN: 8 MODE: 2, Short Image mode WAVEFORM: 134 EXPO_TIME: 0.10 [sec] GRB_POS_XRT_Y: 87.47 GRB_POS_XRT_Z: -85.27 IMAGE_URL: sw01216747000msxps_rw.img SUN_POSTN: 334.75d {+22h 18m 59s} -10.48d {-10d 28' 35"} SUN_DIST: 85.82 [deg] Sun_angle= 5.9 [hr] (West of Sun) MOON_POSTN: 127.99d {+08h 31m 59s} +23.90d {+23d 53' 56"} MOON_DIST: 121.71 [deg] MOON_ILLUM: 94 [%] GAL_COORDS: 359.57, 23.10 [deg] galactic lon,lat of the burst ECL_COORDS: 246.65, 5.76 [deg] ecliptic lon,lat of the burst COMMENTS: SWIFT-XRT Image. COMMENTS: The object found at this position is either a very bright burst or a cosmic ray hit. COMMENTS: Examine the XRT Image to differentiate (CRs are much more compact); see examples at: COMMENTS: http://www.swift.psu.edu/xrt/XRT_Postage_Stamp_Image_Photo_Gallery.htm . ////////////////////////////////////////////////////////////////////// TITLE: GCN/SWIFT NOTICE NOTICE_DATE: Wed 21 Feb 24 22:39:51 UT NOTICE_TYPE: Swift-XRT Lightcurve TRIGGER_NUM: 1216747, Seg_Num: 0 POINT_RA: 245.791d {+16h 23m 10s} (J2000) POINT_DEC: -15.758d {-15d 45' 29"} (J2000) LC_START_DATE: 20361 TJD; 52 DOY; 24/02/21 LC_START_TIME: 81476.85 SOD {22:37:56.85} UT, 149.8 [sec] since BAT Trigger Time LC_STOP_DATE: 20361 TJD; 52 DOY; 24/02/21 LC_STOP_TIME: 81582.46 SOD {22:39:42.46} UT LC_LIVE_TIME: 107.35 [sec], 101.6% DELTA_TIME: 86294.39 [sec] N_BINS: 100 TERM_COND: 0 LC_URL: sw01216747000msx.lc SUN_POSTN: 334.75d {+22h 19m 00s} -10.48d {-10d 28' 34"} SUN_DIST: 85.85 [deg] Sun_angle= 5.9 [hr] (West of Sun) MOON_POSTN: 128.01d {+08h 32m 02s} +23.90d {+23d 53' 44"} MOON_DIST: 121.68 [deg] MOON_ILLUM: 94 [%] GAL_COORDS: 359.54, 23.11 [deg] galactic lon,lat of the pointing direction ECL_COORDS: 246.63, 5.74 [deg] ecliptic lon,lat of the pointing direction COMMENTS: SWIFT-XRT Lightcurve.