TITLE: GCN/SWIFT NOTICE NOTICE_DATE: Mon 21 Dec 09 20:53:11 UT NOTICE_TYPE: Swift-BAT GRB Position TRIGGER_NUM: 380311, Seg_Num: 0 GRB_RA: 55.754d {+03h 43m 01s} (J2000), 55.901d {+03h 43m 36s} (current), 55.015d {+03h 40m 04s} (1950) GRB_DEC: +23.212d {+23d 12' 42"} (J2000), +23.243d {+23d 14' 35"} (current), +23.054d {+23d 03' 13"} (1950) GRB_ERROR: 3.00 [arcmin radius, statistical only] GRB_INTEN: 4738 [cnts] Image_Peak=183 [image_cnts] TRIGGER_DUR: 1.024 [sec] TRIGGER_INDEX: 148 E_range: 25-100 keV BKG_INTEN: 32240 [cnts] BKG_TIME: 75154.63 SOD {20:52:34.63} UT BKG_DUR: 8 [sec] GRB_DATE: 15186 TJD; 355 DOY; 09/12/21 GRB_TIME: 75172.29 SOD {20:52:52.29} UT GRB_PHI: -57.07 [deg] GRB_THETA: 27.29 [deg] SOLN_STATUS: 0x3 RATE_SIGNIF: 9.38 [sigma] IMAGE_SIGNIF: 7.54 [sigma] MERIT_PARAMS: +1 +0 +0 +0 +2 -2 +0 +0 +85 +0 SUN_POSTN: 270.14d {+18h 00m 34s} -23.44d {-23d 26' 14"} SUN_DIST: 148.64 [deg] Sun_angle= -9.7 [hr] (East of Sun) MOON_POSTN: 329.62d {+21h 58m 30s} -8.89d {-08d 53' 19"} MOON_DIST: 90.12 [deg] MOON_ILLUM: 24 [%] GAL_COORDS: 166.49,-24.80 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 58.79, 3.41 [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: This trigger occurred at longitude,latitude = 81.77,15.03 [deg]. TITLE: GCN/SWIFT NOTICE NOTICE_DATE: Mon 21 Dec 09 20:54:43 UT NOTICE_TYPE: Swift-XRT Position TRIGGER_NUM: 380311, Seg_Num: 0 GRB_RA: 55.7998d {+03h 43m 11.95s} (J2000), 55.9473d {+03h 43m 47.35s} (current), 55.0612d {+03h 40m 14.68s} (1950) GRB_DEC: +23.2406d {+23d 14' 26.1"} (J2000), +23.2717d {+23d 16' 18.2"} (current), +23.0826d {+23d 04' 57.4"} (1950) GRB_ERROR: 5.3 [arcsec radius, statistical plus systematic, 90% containment] GRB_INTEN: 1.47e-09 [erg/cm2/sec] GRB_SIGNIF: 7.28 [sigma] IMG_START_DATE: 15186 TJD; 355 DOY; 09/12/21 IMG_START_TIME: 75244.67 SOD {20:54:04.67} UT, 72.4 [sec] since BAT Trigger Time TAM[0-3]: 327.63 237.21 261.38 243.62 AMPLIFIER: 2 WAVEFORM: 134 SUN_POSTN: 270.14d {+18h 00m 34s} -23.44d {-23d 26' 14"} SUN_DIST: 148.68 [deg] Sun_angle= -9.7 [hr] (East of Sun) MOON_POSTN: 329.64d {+21h 58m 33s} -8.88d {-08d 53' 00"} MOON_DIST: 90.15 [deg] MOON_ILLUM: 24 [%] GAL_COORDS: 166.51,-24.75 [deg] galactic lon,lat of the burst ECL_COORDS: 58.84, 3.42 [deg] ecliptic lon,lat of the burst COMMENTS: SWIFT-XRT Coordinates. COMMENTS: The XRT position is 3.07 arcmin from the BAT position.