////////////////////////////////////////////////////////////////////// TITLE: GCN/SWIFT NOTICE NOTICE_DATE: Thu 21 Jul 05 04:31:17 UT NOTICE_TYPE: Swift-BAT GRB Position TRIGGER_NUM: 146970, Seg_Num: 0 GRB_RA: 253.445d {+16h 53m 47s} (J2000), 253.532d {+16h 54m 08s} (current), 252.661d {+16h 50m 39s} (1950) GRB_DEC: -28.390d {-28d 23' 22"} (J2000), -28.398d {-28d 23' 53"} (current), -28.308d {-28d 18' 29"} (1950) GRB_ERROR: 4.00 [arcmin radius, statistical only] GRB_INTEN: 21583 [cnts] Image_Peak=195 [image_cnts] TRIGGER_DUR: 5.504 [sec] TRIGGER_INDEX: 489 E_range: 50-350 keV BKG_INTEN: 181877 [cnts] BKG_TIME: 16088.00 SOD {04:28:08.00} UT BKG_DUR: 48 [sec] GRB_DATE: 13572 TJD; 202 DOY; 05/07/21 GRB_TIME: 16154.28 SOD {04:29:14.28} UT GRB_PHI: 91.37 [deg] GRB_THETA: 39.08 [deg] SOLN_STATUS: 0x83 RATE_SIGNIF: 15.09 [sigma] IMAGE_SIGNIF: 6.22 [sigma] MERIT_PARAMS: +1 +0 +0 +2 +3 +4 +0 +1 +72 +1 SUN_POSTN: 120.64d {+08h 02m 34s} +20.45d {+20d 27' 18"} SUN_DIST: 136.65 [deg] MOON_POSTN: 297.43d {+19h 49m 44s} -26.06d {-26d 03' 47"} MOON_DIST: 38.89 [deg] MOON_ILLUM: 100 [%] GAL_COORDS: 353.95, 9.66 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 255.41, -5.79 [deg] ecliptic lon,lat of the burst (or transient) COMMENTS: SWIFT-BAT GRB Coordinates. COMMENTS: This is a rate trigger. 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: Since the IMAGE_SIGNIF is less than 7 sigma, this is a questionable detection. ////////////////////////////////////////////////////////////////////// TITLE: GCN/SWIFT NOTICE NOTICE_DATE: Thu 21 Jul 05 04:32:57 UT NOTICE_TYPE: Swift-XRT Position TRIGGER_NUM: 146970, Seg_Num: 0 GRB_RA: 253.4364d {+16h 53m 44.7s} (J2000), 253.5235d {+16h 54m 05.6s} (current), 252.6522d {+16h 50m 36.5s} (1950) GRB_DEC: -28.3815d {-28d 22' 53.3"} (J2000), -28.3903d {-28d 23' 25.0"} (current), -28.3003d {-28d 18' 01.1"} (1950) GRB_ERROR: 5.8 [arcsec radius, statistical plus systematic, 90% containment] GRB_INTEN: 746.22 [arb] GRB_SIGNIF: 7.74 [sigma] GRB_DATE: 13572 TJD; 202 DOY; 05/07/21 GRB_TIME: 16340.45 SOD {04:32:20.45} UT [Start of CCD integration] TAM[0-3]: 327.61 237.16 261.21 242.94 AMPLIFIER: 2 WAVEFORM: 134 SUN_POSTN: 120.65d {+08h 02m 35s} +20.45d {+20d 27' 16"} SUN_DIST: 136.64 [deg] MOON_POSTN: 297.47d {+19h 49m 53s} -26.06d {-26d 03' 24"} MOON_DIST: 38.93 [deg] MOON_ILLUM: 100 [%] GAL_COORDS: 353.95, 9.67 [deg] galactic lon,lat of the burst ECL_COORDS: 255.40, -5.78 [deg] ecliptic lon,lat of the burst COMMENTS: SWIFT-XRT Coordinates. COMMENTS: WARNING: XRT alignment calibration is on-going, and there may be COMMENTS: residual systematic offsets of several arcseconds not accounted for yet COMMENTS: by our on-board position determination algorithm. We have increased COMMENTS: the estimated error circle radius to take this into account.