(All information courtesy of the instrument teams.)
Previous IAU Circulars
TITLE: GCN/SWIFT NOTICE NOTICE_DATE: Sun 29 Jul 07 00:26:13 UT NOTICE_TYPE: Swift-BAT GRB Position TRIGGER_NUM: 286373, Seg_Num: 0 GRB_RA: 56.322d {+03h 45m 17s} (J2000), 56.391d {+03h 45m 34s} (current), 55.872d {+03h 43m 29s} (1950) GRB_DEC: -39.312d {-39d 18' 41"} (J2000), -39.288d {-39d 17' 17"} (current), -39.467d {-39d 28' 01"} (1950) GRB_ERROR: 3.00 [arcmin radius, statistical only] GRB_INTEN: 5046 [cnts] Image_Peak=190 [image_cnts] TRIGGER_DUR: 1.024 [sec] TRIGGER_INDEX: 155 E_range: 50-350 keV BKG_INTEN: 28630 [cnts] BKG_TIME: 1541.88 SOD {00:25:41.88} UT BKG_DUR: 8 [sec] GRB_DATE: 14310 TJD; 210 DOY; 07/07/29 GRB_TIME: 1553.91 SOD {00:25:53.91} UT GRB_PHI: 2.33 [deg] GRB_THETA: 34.36 [deg] SOLN_STATUS: 0x3 RATE_SIGNIF: 21.49 [sigma] IMAGE_SIGNIF: 7.09 [sigma] MERIT_PARAMS: +1 +0 +0 +0 +3 -3 +0 +0 -2 +1 SUN_POSTN: 127.91d {+08h 31m 38s} +18.88d {+18d 52' 59"} SUN_DIST: 88.44 [deg] Sun_angle= 4.8 [hr] (West of Sun) MOON_POSTN: 295.36d {+19h 41m 26s} -25.15d {-25d 08' 57"} MOON_DIST: 95.28 [deg] MOON_ILLUM: 99 [%] GAL_COORDS: 242.97,-52.06 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 38.29,-56.86 [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 = 164.49,-14.39 [deg].
TITLE: GCN/SWIFT NOTICE NOTICE_DATE: Sun 29 Jul 07 00:27:27 UT NOTICE_TYPE: Swift-XRT Nack-Position TRIGGER_NUM: 286373, Seg_Num: 0 POINT_RA: 56.301d {+03h 45m 12s} (J2000) POINT_DEC: -39.331d {-39d 19' 52"} (J2000) IMG_START_DATE: 14310 TJD; 210 DOY; 07/07/29 IMG_START_TIME: 1641.00 SOD {00:27:21.00} UT, 87.1 [sec] since BAT Trigger Time COUNTS: 1 Min_needed= 20 STD_DEV: 0.00 Max_StdDev_for_Good=28.44 [arcsec] PH2_ITER: 0 Max_iter_allowed= 4 ERROR_CODE: 1 COMMENTS: SWIFT-XRT Nack Position. COMMENTS: No source found in the image.
TITLE: GCN/SWIFT NOTICE NOTICE_DATE: Sun 29 Jul 07 00:29:23 UT NOTICE_TYPE: Swift-BAT GRB Lightcurve TRIGGER_NUM: 286373, Seg_Num: 0 GRB_RA: 56.322d {+03h 45m 17s} (J2000), 56.391d {+03h 45m 34s} (current), 55.872d {+03h 43m 29s} (1950) GRB_DEC: -39.312d {-39d 18' 41"} (J2000), -39.288d {-39d 17' 17"} (current), -39.467d {-39d 28' 01"} (1950) GRB_DATE: 14310 TJD; 210 DOY; 07/07/29 GRB_TIME: 1553.91 SOD {00:25:53.91} UT TRIGGER_INDEX: 155 GRB_PHI: 2.33 [deg] GRB_THETA: 34.36 [deg] DELTA_TIME: 76.00 [sec] TRIGGER_DUR: 1.024 [sec] SOLN_STATUS: 0x3 RATE_SIGNIF: 21.49 [sigma] IMAGE_SIGNIF: 7.09 [sigma] LC_URL: sw00286373000msb.lc SUN_POSTN: 127.91d {+08h 31m 39s} +18.88d {+18d 52' 57"} SUN_DIST: 88.44 [deg] Sun_angle= 4.8 [hr] (West of Sun) MOON_POSTN: 295.39d {+19h 41m 34s} -25.14d {-25d 08' 33"} MOON_DIST: 95.27 [deg] MOON_ILLUM: 99 [%] GAL_COORDS: 242.97,-52.06 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 38.29,-56.86 [deg] ecliptic lon,lat of the burst (or transient) COMMENTS: SWIFT-BAT GRB Lightcurve. COMMENTS: COMMENTS: The next comments were copied from the BAT_POS Notice: 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 = 164.49,-14.39 [deg].
TITLE: GCN/SWIFT NOTICE NOTICE_DATE: Sun 29 Jul 07 00:29:42 UT NOTICE_TYPE: Swift-UVOT Source List TRIGGER_NUM: 286373, Seg_Num: 0 POINT_RA: 56.301d {+03h 45m 12s} (J2000) POINT_DEC: -39.331d {-39d 19' 52"} (J2000) POINT_ROLL: 63.934d IMG_START_DATE: 14310 TJD; 210 DOY; 07/07/29 IMG_START_TIME: 1644.85 SOD {00:27:24.85} UT, 90.9 [sec] since BAT Trigger Time FILTER: 10, White BKG_MEAN: 2.713 N_STARS: 20 X_OFFSET: 600 [pixels] Y_OFFSET: 422 [pixels] X_MAX: 1559 [pixels] Y_MAX: 1381 [pixels] DET_THRESH: 14 PHOTO_THRESH: 7 SL_URL: sw00286373000msufc0090.fits SUN_POSTN: 127.91d {+08h 31m 39s} +18.88d {+18d 52' 57"} SUN_DIST: 88.47 [deg] Sun_angle= 4.8 [hr] (West of Sun) MOON_POSTN: 295.39d {+19h 41m 35s} -25.14d {-25d 08' 30"} MOON_DIST: 95.24 [deg] MOON_ILLUM: 99 [%] GAL_COORDS: 243.01,-52.08 [deg] galactic lon,lat of the pointing direction ECL_COORDS: 38.25,-56.88 [deg] ecliptic lon,lat of the pointing direction COMMENTS: SWIFT-UVOT Source List.
TITLE: GCN/SWIFT NOTICE NOTICE_DATE: Sun 29 Jul 07 00:30:19 UT NOTICE_TYPE: Swift-UVOT Processed Source List TRIGGER_NUM: 286373, Seg_Num: 0 POINT_RA: 56.301d {+03h 45m 12s} (J2000) POINT_DEC: -39.331d {-39d 19' 52"} (J2000) POINT_ROLL: 63.934d IMG_START_DATE: 14310 TJD; 210 DOY; 07/07/29 IMG_START_TIME: 1644.85 SOD {00:27:24.85} UT, 90.9 [sec] since BAT Trigger Time FILTER: 10, White BKG_MEAN: 2.713 N_STARS: 20 X_OFFSET: 600 [pixels] Y_OFFSET: 422 [pixels] X_MAX: 1559 [pixels] Y_MAX: 1381 [pixels] DET_THRESH: 14 PHOTO_THRESH: 7 SL_URL: sw00286373000msufc0090.fits SUN_POSTN: 127.91d {+08h 31m 39s} +18.88d {+18d 52' 57"} SUN_DIST: 88.47 [deg] Sun_angle= 4.8 [hr] (West of Sun) MOON_POSTN: 295.40d {+19h 41m 36s} -25.14d {-25d 08' 26"} MOON_DIST: 95.24 [deg] MOON_ILLUM: 99 [%] GAL_COORDS: 243.01,-52.08 [deg] galactic lon,lat of the pointing direction ECL_COORDS: 38.25,-56.88 [deg] ecliptic lon,lat of the pointing direction COMMENTS: SWIFT-UVOT Processed Source List. COMMENTS: All 4 attachments are included.
TITLE: GCN/SWIFT NOTICE NOTICE_DATE: Sun 29 Jul 07 00:31:00 UT NOTICE_TYPE: Swift-UVOT Image TRIGGER_NUM: 286373, Seg_Num: 0 POINT_RA: 56.301d {+03h 45m 12s} (J2000) POINT_DEC: -39.331d {-39d 19' 52"} (J2000) ROLL: 63.934d IMG_START_DATE: 14310 TJD; 210 DOY; 07/07/29 IMG_START_TIME: 1644.85 SOD {00:27:24.85} UT, 90.9 [sec] since BAT Trigger Time FILTER: 10, White EXPOSURE_ID: 207361646 X_OFFSET: 919 [pixels] Y_OFFSET: 741 [pixels] WIDTH: 160 [pixels] HEIGHT: 160 [pixels] X_GRB_POS: 1079 Y_GRB_POS: 901 BINNING_INDEX: 1 IM_URL: sw00286373000msuni0090.fits SUN_POSTN: 127.91d {+08h 31m 39s} +18.88d {+18d 52' 56"} SUN_DIST: 88.47 [deg] Sun_angle= 4.8 [hr] (West of Sun) MOON_POSTN: 295.41d {+19h 41m 38s} -25.14d {-25d 08' 20"} MOON_DIST: 95.24 [deg] MOON_ILLUM: 99 [%] GAL_COORDS: 243.01,-52.08 [deg] galactic lon,lat of the pointing direction ECL_COORDS: 38.25,-56.88 [deg] ecliptic lon,lat of the pointing direction COMMENTS: SWIFT-UVOT Image. COMMENTS: The GRB Position came from the Window Position in the Mode Command. COMMENTS: The image has 2x2 binning (compression).
TITLE: GCN/SWIFT NOTICE NOTICE_DATE: Sun 29 Jul 07 00:31:26 UT NOTICE_TYPE: Swift-UVOT Processed Image TRIGGER_NUM: 286373, Seg_Num: 0 POINT_RA: 56.301d {+03h 45m 12s} (J2000) POINT_DEC: -39.331d {-39d 19' 52"} (J2000) ROLL: 63.934d IMG_START_DATE: 14310 TJD; 210 DOY; 07/07/29 IMG_START_TIME: 1644.85 SOD {00:27:24.85} UT, 90.9 [sec] since BAT Trigger Time FILTER: 10, White EXPOSURE_ID: 207361646 X_OFFSET: 919 [pixels] Y_OFFSET: 741 [pixels] WIDTH: 160 [pixels] HEIGHT: 160 [pixels] X_GRB_POS: 1079 Y_GRB_POS: 901 BINNING_INDEX: 1 IM_URL: sw00286373000msuni0090.fits SUN_POSTN: 127.91d {+08h 31m 39s} +18.88d {+18d 52' 56"} SUN_DIST: 88.47 [deg] Sun_angle= 4.8 [hr] (West of Sun) MOON_POSTN: 295.41d {+19h 41m 39s} -25.14d {-25d 08' 17"} MOON_DIST: 95.23 [deg] MOON_ILLUM: 99 [%] GAL_COORDS: 243.01,-52.08 [deg] galactic lon,lat of the pointing direction ECL_COORDS: 38.25,-56.88 [deg] ecliptic lon,lat of the pointing direction COMMENTS: SWIFT-UVOT Processed Image. COMMENTS: The GRB Position came from the Window Position in the Mode Command. COMMENTS: The image has 2x2 binning (compression). COMMENTS: If you have elected to receive attachments: COMMENTS: The uvot_sources_image.fits.gz file does not exist; skipping the attachment.
TITLE: GCN/SWIFT NOTICE NOTICE_DATE: Sun 29 Jul 07 00:39:20 UT NOTICE_TYPE: Swift-UVOT Source List TRIGGER_NUM: 286373, Seg_Num: 0 POINT_RA: 56.299d {+03h 45m 12s} (J2000) POINT_DEC: -39.329d {-39d 19' 44"} (J2000) POINT_ROLL: 63.937d IMG_START_DATE: 14310 TJD; 210 DOY; 07/07/29 IMG_START_TIME: 1752.86 SOD {00:29:12.86} UT, 198.9 [sec] since BAT Trigger Time FILTER: 3, V BKG_MEAN: 3.211 N_STARS: 23 X_OFFSET: 600 [pixels] Y_OFFSET: 422 [pixels] X_MAX: 1559 [pixels] Y_MAX: 1381 [pixels] DET_THRESH: 15 PHOTO_THRESH: 8 SL_URL: sw00286373000msufc0198.fits SUN_POSTN: 127.92d {+08h 31m 40s} +18.88d {+18d 52' 51"} SUN_DIST: 88.47 [deg] Sun_angle= 4.8 [hr] (West of Sun) MOON_POSTN: 295.49d {+19h 41m 58s} -25.12d {-25d 07' 16"} MOON_DIST: 95.20 [deg] MOON_ILLUM: 99 [%] GAL_COORDS: 243.00,-52.08 [deg] galactic lon,lat of the pointing direction ECL_COORDS: 38.25,-56.87 [deg] ecliptic lon,lat of the pointing direction COMMENTS: SWIFT-UVOT Source List.
TITLE: GCN/SWIFT NOTICE NOTICE_DATE: Sun 29 Jul 07 00:39:42 UT NOTICE_TYPE: Swift-UVOT Processed Source List TRIGGER_NUM: 286373, Seg_Num: 0 POINT_RA: 56.299d {+03h 45m 12s} (J2000) POINT_DEC: -39.329d {-39d 19' 44"} (J2000) POINT_ROLL: 63.937d IMG_START_DATE: 14310 TJD; 210 DOY; 07/07/29 IMG_START_TIME: 1752.86 SOD {00:29:12.86} UT, 198.9 [sec] since BAT Trigger Time FILTER: 3, V BKG_MEAN: 3.211 N_STARS: 23 X_OFFSET: 600 [pixels] Y_OFFSET: 422 [pixels] X_MAX: 1559 [pixels] Y_MAX: 1381 [pixels] DET_THRESH: 15 PHOTO_THRESH: 8 SL_URL: sw00286373000msufc0198.fits SUN_POSTN: 127.92d {+08h 31m 41s} +18.88d {+18d 52' 51"} SUN_DIST: 88.47 [deg] Sun_angle= 4.8 [hr] (West of Sun) MOON_POSTN: 295.49d {+19h 41m 58s} -25.12d {-25d 07' 13"} MOON_DIST: 95.20 [deg] MOON_ILLUM: 99 [%] GAL_COORDS: 243.00,-52.08 [deg] galactic lon,lat of the pointing direction ECL_COORDS: 38.25,-56.87 [deg] ecliptic lon,lat of the pointing direction COMMENTS: SWIFT-UVOT Processed Source List. COMMENTS: All 4 attachments are included.
TITLE: GCN/SWIFT NOTICE NOTICE_DATE: Sun 29 Jul 07 00:40:41 UT NOTICE_TYPE: Swift-UVOT Image TRIGGER_NUM: 286373, Seg_Num: 0 POINT_RA: 56.299d {+03h 45m 12s} (J2000) POINT_DEC: -39.329d {-39d 19' 44"} (J2000) ROLL: 63.937d IMG_START_DATE: 14310 TJD; 210 DOY; 07/07/29 IMG_START_TIME: 1752.86 SOD {00:29:12.86} UT, 198.9 [sec] since BAT Trigger Time FILTER: 3, V EXPOSURE_ID: 207361754 X_OFFSET: 919 [pixels] Y_OFFSET: 741 [pixels] WIDTH: 160 [pixels] HEIGHT: 160 [pixels] X_GRB_POS: 1079 Y_GRB_POS: 901 BINNING_INDEX: 1 IM_URL: sw00286373000msuni0198.fits SUN_POSTN: 127.92d {+08h 31m 41s} +18.88d {+18d 52' 50"} SUN_DIST: 88.47 [deg] Sun_angle= 4.8 [hr] (West of Sun) MOON_POSTN: 295.50d {+19h 42m 01s} -25.12d {-25d 07' 05"} MOON_DIST: 95.19 [deg] MOON_ILLUM: 99 [%] GAL_COORDS: 243.00,-52.08 [deg] galactic lon,lat of the pointing direction ECL_COORDS: 38.25,-56.87 [deg] ecliptic lon,lat of the pointing direction COMMENTS: SWIFT-UVOT Image. COMMENTS: The GRB Position came from the Window Position in the Mode Command. COMMENTS: The image has 2x2 binning (compression).
TITLE: GCN/SWIFT NOTICE NOTICE_DATE: Sun 29 Jul 07 00:40:58 UT NOTICE_TYPE: Swift-UVOT Processed Image TRIGGER_NUM: 286373, Seg_Num: 0 POINT_RA: 56.299d {+03h 45m 12s} (J2000) POINT_DEC: -39.329d {-39d 19' 44"} (J2000) ROLL: 63.937d IMG_START_DATE: 14310 TJD; 210 DOY; 07/07/29 IMG_START_TIME: 1752.86 SOD {00:29:12.86} UT, 198.9 [sec] since BAT Trigger Time FILTER: 3, V EXPOSURE_ID: 207361754 X_OFFSET: 919 [pixels] Y_OFFSET: 741 [pixels] WIDTH: 160 [pixels] HEIGHT: 160 [pixels] X_GRB_POS: 1079 Y_GRB_POS: 901 BINNING_INDEX: 1 IM_URL: sw00286373000msuni0198.fits SUN_POSTN: 127.92d {+08h 31m 41s} +18.88d {+18d 52' 50"} SUN_DIST: 88.47 [deg] Sun_angle= 4.8 [hr] (West of Sun) MOON_POSTN: 295.51d {+19h 42m 01s} -25.12d {-25d 07' 03"} MOON_DIST: 95.19 [deg] MOON_ILLUM: 99 [%] GAL_COORDS: 243.00,-52.08 [deg] galactic lon,lat of the pointing direction ECL_COORDS: 38.25,-56.87 [deg] ecliptic lon,lat of the pointing direction COMMENTS: SWIFT-UVOT Processed Image. COMMENTS: The GRB Position came from the Window Position in the Mode Command. COMMENTS: The image has 2x2 binning (compression). COMMENTS: If you have elected to receive attachments: COMMENTS: The uvot_sources_image.fits.gz file does not exist; skipping the attachment.
RA(J2000) = 03h 45m 17s Dec(J2000) = -39d 18' 41"with an uncertainty of 3 arcmin (radius, 90% containment, including systematic uncertainty). The BAT light curve shows three overlapping peaks with a total duration of about 1.5 sec. The peak count rate was ~2000 counts/sec (15-350 keV), at ~0 sec after the trigger.
RA(J2000) = 03 45 15.52 Dec(J2000) = -39 19 24.2with an uncertainty of 5.7 arcsec (radius, 90% containment). This location is 45 arcseconds from the BAT on-board position, within the BAT error circle.
TITLE: GCN/SWIFT NOTICE NOTICE_DATE: Sun 29 Jul 07 00:53:44 UT NOTICE_TYPE: Swift-XRT Position TRIGGER_NUM: 286373, Seg_Num: 0 GRB_RA: 56.3147d {+03h 45m 15.5s} (J2000), 56.3830d {+03h 45m 31.9s} (current), 55.8640d {+03h 43m 27.3s} (1950) GRB_DEC: -39.3233d {-39d 19' 23.8"} (J2000), -39.2999d {-39d 17' 59.7"} (current), -39.4786d {-39d 28' 43.0"} (1950) GRB_ERROR: 5.4 [arcsec radius, statistical plus systematic, 90% containment] GRB_INTEN: 4.11e-12 [erg/cm2/sec] GRB_SIGNIF: 10.00 [sigma] IMG_START_DATE: 14310 TJD; 210 DOY; 07/07/29 IMG_START_TIME: 1641.00 SOD {00:27:21.00} UT, 87.1 [sec] since BAT Trigger Time TAM[0-3]: 327.61 237.19 261.35 242.66 AMPLIFIER: 2 WAVEFORM: 134 SUN_POSTN: 127.93d {+08h 31m 43s} +18.88d {+18d 52' 43"} SUN_DIST: 88.46 [deg] Sun_angle= 4.8 [hr] (West of Sun) MOON_POSTN: 295.63d {+19h 42m 32s} -25.09d {-25d 05' 24"} MOON_DIST: 95.15 [deg] MOON_ILLUM: 99 [%] GAL_COORDS: 242.99,-52.07 [deg] galactic lon,lat of the burst ECL_COORDS: 38.27,-56.87 [deg] ecliptic lon,lat of the burst COMMENTS: SWIFT-XRT Coordinates. COMMENTS: This Notice was ground-generated -- not flight-generated. COMMENTS: TAM values are not valid.
RA = 03:45:15.52 DEC = -39:19:28.7No point sources are visible within the XRT error circle to a 3-sigma depth of about 21.3 mag. Further observations are in progress."
RA(J2000) = 3h 45m 11.1s Dec(J2000) = -39d 19' 47"with an uncertainty of 2.2 arcmin, (radius, sys+stat, 90% containment). The partial coding was 65%.
RA (J2000): 03 45 15.32 Dec (J2000): -39 19 26.4with an uncertainty of 4.5 arcsec (radius, 90% confidence). This is 3.2 arcsec from the initial XRT position (GCN Circ. 6678) and 53 arcsec from the BAT ground-calculated position (Sato et al., GCN Circ. 6681).