(All information courtesy of the instrument teams.)
Previous IAU Circulars
TITLE: GCN/SWIFT NOTICE NOTICE_DATE: Mon 06 Feb 17 22:03:46 UT NOTICE_TYPE: Swift-UVOT Image TRIGGER_NUM: 737125, Seg_Num: 0 POINT_RA: 271.763d {+18h 07m 03s} (J2000) POINT_DEC: +11.242d {+11d 14' 32"} (J2000) ROLL: 117.686d IMG_START_DATE: 17790 TJD; 37 DOY; 17/02/06 IMG_START_TIME: 79150.98 SOD {21:59:10.98} UT FILTER: 10, White EXPOSURE_ID: 508111169 X_OFFSET: 1008 [pixels] Y_OFFSET: 802 [pixels] WIDTH: 160 [pixels] HEIGHT: 160 [pixels] X_GRB_POS: 1168 Y_GRB_POS: 962 BINNING_INDEX: 1 IM_URL: sw00737125000msuni508111169.fits SUN_POSTN: 320.75d {+21h 23m 01s} -15.34d {-15d 20' 13"} SUN_DIST: 55.14 [deg] Sun_angle= 3.3 [hr] (West of Sun) MOON_POSTN: 84.48d {+05h 37m 56s} +18.48d {+18d 28' 32"} MOON_DIST: 149.38 [deg] MOON_ILLUM: 80 [%] GAL_COORDS: 38.12, 14.89 [deg] galactic lon,lat of the pointing direction ECL_COORDS: 272.10, 34.67 [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: Mon 06 Feb 17 22:03:42 UT NOTICE_TYPE: Swift-UVOT Source List TRIGGER_NUM: 737125, Seg_Num: 0 POINT_RA: 271.763d {+18h 07m 03s} (J2000) POINT_DEC: +11.242d {+11d 14' 32"} (J2000) POINT_ROLL: 117.686d IMG_START_DATE: 17790 TJD; 37 DOY; 17/02/06 IMG_START_TIME: 79150.98 SOD {21:59:10.98} UT FILTER: 10, White BKG_MEAN: 3.895 N_STARS: 190 X_OFFSET: 689 [pixels] Y_OFFSET: 483 [pixels] X_MAX: 1648 [pixels] Y_MAX: 1442 [pixels] DET_THRESH: 16 PHOTO_THRESH: 9 SL_URL: sw00737125000msufc508111150.fits SUN_POSTN: 320.75d {+21h 23m 01s} -15.34d {-15d 20' 13"} SUN_DIST: 55.14 [deg] Sun_angle= 3.3 [hr] (West of Sun) MOON_POSTN: 84.48d {+05h 37m 55s} +18.48d {+18d 28' 32"} MOON_DIST: 149.38 [deg] MOON_ILLUM: 80 [%] GAL_COORDS: 38.12, 14.89 [deg] galactic lon,lat of the pointing direction ECL_COORDS: 272.10, 34.67 [deg] ecliptic lon,lat of the pointing direction COMMENTS: SWIFT-UVOT Source List.
TITLE: GCN/SWIFT NOTICE NOTICE_DATE: Mon 06 Feb 17 22:03:50 UT NOTICE_TYPE: Swift-UVOT Processed Image TRIGGER_NUM: 737125, Seg_Num: 0 POINT_RA: 271.763d {+18h 07m 03s} (J2000) POINT_DEC: +11.242d {+11d 14' 32"} (J2000) ROLL: 117.686d IMG_START_DATE: 17790 TJD; 37 DOY; 17/02/06 IMG_START_TIME: 79150.98 SOD {21:59:10.98} UT FILTER: 10, White EXPOSURE_ID: 508111169 X_OFFSET: 1008 [pixels] Y_OFFSET: 802 [pixels] WIDTH: 160 [pixels] HEIGHT: 160 [pixels] X_GRB_POS: 1168 Y_GRB_POS: 962 BINNING_INDEX: 1 IM_URL: sw00737125000msuni508111169.fits SUN_POSTN: 320.75d {+21h 23m 01s} -15.34d {-15d 20' 13"} SUN_DIST: 55.14 [deg] Sun_angle= 3.3 [hr] (West of Sun) MOON_POSTN: 84.48d {+05h 37m 56s} +18.48d {+18d 28' 32"} MOON_DIST: 149.38 [deg] MOON_ILLUM: 80 [%] GAL_COORDS: 38.12, 14.89 [deg] galactic lon,lat of the pointing direction ECL_COORDS: 272.10, 34.67 [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_catalog_image.fits.gz file does not exist; skipping the attachment.
TITLE: GCN/SWIFT NOTICE NOTICE_DATE: Mon 06 Feb 17 22:03:51 UT NOTICE_TYPE: Swift-UVOT Processed Source List TRIGGER_NUM: 737125, Seg_Num: 0 POINT_RA: 271.763d {+18h 07m 03s} (J2000) POINT_DEC: +11.242d {+11d 14' 32"} (J2000) POINT_ROLL: 117.686d IMG_START_DATE: 17790 TJD; 37 DOY; 17/02/06 IMG_START_TIME: 79150.98 SOD {21:59:10.98} UT FILTER: 10, White BKG_MEAN: 3.895 N_STARS: 190 X_OFFSET: 689 [pixels] Y_OFFSET: 483 [pixels] X_MAX: 1648 [pixels] Y_MAX: 1442 [pixels] DET_THRESH: 16 PHOTO_THRESH: 9 SL_URL: sw00737125000msufc508111150.fits SUN_POSTN: 320.75d {+21h 23m 01s} -15.34d {-15d 20' 12"} SUN_DIST: 55.14 [deg] Sun_angle= 3.3 [hr] (West of Sun) MOON_POSTN: 84.48d {+05h 37m 56s} +18.48d {+18d 28' 32"} MOON_DIST: 149.38 [deg] MOON_ILLUM: 80 [%] GAL_COORDS: 38.12, 14.89 [deg] galactic lon,lat of the pointing direction ECL_COORDS: 272.10, 34.67 [deg] ecliptic lon,lat of the pointing direction COMMENTS: SWIFT-UVOT Processed Source List. COMMENTS: If you have elected to receive attachments: COMMENTS: The uvot_catalog_srclist.fits.gz file does not exist; skipping the attachment.
TITLE: GCN/SWIFT NOTICE NOTICE_DATE: Mon 06 Feb 17 22:10:18 UT NOTICE_TYPE: Swift-UVOT Source List TRIGGER_NUM: 737125, Seg_Num: 0 POINT_RA: 271.761d {+18h 07m 03s} (J2000) POINT_DEC: +11.242d {+11d 14' 31"} (J2000) POINT_ROLL: 117.683d IMG_START_DATE: 17790 TJD; 37 DOY; 17/02/06 IMG_START_TIME: 79308.93 SOD {22:01:48.93} UT FILTER: 7, U BKG_MEAN: 1.287 N_STARS: 190 X_OFFSET: 449 [pixels] Y_OFFSET: 243 [pixels] X_MAX: 1888 [pixels] Y_MAX: 1682 [pixels] DET_THRESH: 10 PHOTO_THRESH: 5 SL_URL: sw00737125000msufc508111308.fits SUN_POSTN: 320.76d {+21h 23m 02s} -15.34d {-15d 20' 07"} SUN_DIST: 55.14 [deg] Sun_angle= 3.3 [hr] (West of Sun) MOON_POSTN: 84.55d {+05h 38m 12s} +18.48d {+18d 28' 49"} MOON_DIST: 149.39 [deg] MOON_ILLUM: 80 [%] GAL_COORDS: 38.12, 14.89 [deg] galactic lon,lat of the pointing direction ECL_COORDS: 272.10, 34.67 [deg] ecliptic lon,lat of the pointing direction COMMENTS: SWIFT-UVOT Source List.
TITLE: GCN/SWIFT NOTICE NOTICE_DATE: Mon 06 Feb 17 22:10:43 UT NOTICE_TYPE: Swift-UVOT Processed Source List TRIGGER_NUM: 737125, Seg_Num: 0 POINT_RA: 271.761d {+18h 07m 03s} (J2000) POINT_DEC: +11.242d {+11d 14' 31"} (J2000) POINT_ROLL: 117.683d IMG_START_DATE: 17790 TJD; 37 DOY; 17/02/06 IMG_START_TIME: 79308.93 SOD {22:01:48.93} UT FILTER: 7, U BKG_MEAN: 1.287 N_STARS: 190 X_OFFSET: 449 [pixels] Y_OFFSET: 243 [pixels] X_MAX: 1888 [pixels] Y_MAX: 1682 [pixels] DET_THRESH: 10 PHOTO_THRESH: 5 SL_URL: sw00737125000msufc508111308.fits SUN_POSTN: 320.76d {+21h 23m 02s} -15.34d {-15d 20' 07"} SUN_DIST: 55.14 [deg] Sun_angle= 3.3 [hr] (West of Sun) MOON_POSTN: 84.55d {+05h 38m 13s} +18.48d {+18d 28' 50"} MOON_DIST: 149.39 [deg] MOON_ILLUM: 80 [%] GAL_COORDS: 38.12, 14.89 [deg] galactic lon,lat of the pointing direction ECL_COORDS: 272.10, 34.67 [deg] ecliptic lon,lat of the pointing direction COMMENTS: SWIFT-UVOT Processed Source List. COMMENTS: If you have elected to receive attachments: COMMENTS: The uvot_catalog_srclist.fits.gz file does not exist; skipping the attachment.
TITLE: GCN/SWIFT NOTICE NOTICE_DATE: Mon 06 Feb 17 22:11:42 UT NOTICE_TYPE: Swift-UVOT Image TRIGGER_NUM: 737125, Seg_Num: 0 POINT_RA: 271.761d {+18h 07m 03s} (J2000) POINT_DEC: +11.242d {+11d 14' 31"} (J2000) ROLL: 117.683d IMG_START_DATE: 17790 TJD; 37 DOY; 17/02/06 IMG_START_TIME: 79308.93 SOD {22:01:48.93} UT FILTER: 7, U EXPOSURE_ID: 508111327 X_OFFSET: 1008 [pixels] Y_OFFSET: 802 [pixels] WIDTH: 160 [pixels] HEIGHT: 160 [pixels] X_GRB_POS: 1168 Y_GRB_POS: 962 BINNING_INDEX: 1 IM_URL: sw00737125000msuni508111327.fits SUN_POSTN: 320.76d {+21h 23m 02s} -15.34d {-15d 20' 06"} SUN_DIST: 55.15 [deg] Sun_angle= 3.3 [hr] (West of Sun) MOON_POSTN: 84.56d {+05h 38m 15s} +18.48d {+18d 28' 53"} MOON_DIST: 149.39 [deg] MOON_ILLUM: 80 [%] GAL_COORDS: 38.12, 14.89 [deg] galactic lon,lat of the pointing direction ECL_COORDS: 272.10, 34.67 [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: Mon 06 Feb 17 22:11:59 UT NOTICE_TYPE: Swift-UVOT Processed Image TRIGGER_NUM: 737125, Seg_Num: 0 POINT_RA: 271.761d {+18h 07m 03s} (J2000) POINT_DEC: +11.242d {+11d 14' 31"} (J2000) ROLL: 117.683d IMG_START_DATE: 17790 TJD; 37 DOY; 17/02/06 IMG_START_TIME: 79308.93 SOD {22:01:48.93} UT FILTER: 7, U EXPOSURE_ID: 508111327 X_OFFSET: 1008 [pixels] Y_OFFSET: 802 [pixels] WIDTH: 160 [pixels] HEIGHT: 160 [pixels] X_GRB_POS: 1168 Y_GRB_POS: 962 BINNING_INDEX: 1 IM_URL: sw00737125000msuni508111327.fits SUN_POSTN: 320.76d {+21h 23m 02s} -15.34d {-15d 20' 06"} SUN_DIST: 55.15 [deg] Sun_angle= 3.3 [hr] (West of Sun) MOON_POSTN: 84.57d {+05h 38m 16s} +18.48d {+18d 28' 53"} MOON_DIST: 149.39 [deg] MOON_ILLUM: 80 [%] GAL_COORDS: 38.12, 14.89 [deg] galactic lon,lat of the pointing direction ECL_COORDS: 272.10, 34.67 [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_catalog_image.fits.gz file does not exist; skipping the attachment.
TITLE: GCN/SWIFT NOTICE NOTICE_DATE: Mon 06 Feb 17 22:18:48 UT NOTICE_TYPE: Swift-UVOT Source List TRIGGER_NUM: 737125, Seg_Num: 0 POINT_RA: 271.761d {+18h 07m 03s} (J2000) POINT_DEC: +11.242d {+11d 14' 32"} (J2000) POINT_ROLL: 117.683d IMG_START_DATE: 17790 TJD; 37 DOY; 17/02/06 IMG_START_TIME: 79910.16 SOD {22:11:50.16} UT FILTER: 10, White BKG_MEAN: 5.466 N_STARS: 190 X_OFFSET: 449 [pixels] Y_OFFSET: 243 [pixels] X_MAX: 1888 [pixels] Y_MAX: 1682 [pixels] DET_THRESH: 20 PHOTO_THRESH: 12 SL_URL: sw00737125000msufc508111910.fits SUN_POSTN: 320.76d {+21h 23m 03s} -15.33d {-15d 20' 01"} SUN_DIST: 55.15 [deg] Sun_angle= 3.3 [hr] (West of Sun) MOON_POSTN: 84.64d {+05h 38m 33s} +18.49d {+18d 29' 11"} MOON_DIST: 149.40 [deg] MOON_ILLUM: 80 [%] GAL_COORDS: 38.12, 14.89 [deg] galactic lon,lat of the pointing direction ECL_COORDS: 272.10, 34.67 [deg] ecliptic lon,lat of the pointing direction COMMENTS: SWIFT-UVOT Source List.
TITLE: GCN/SWIFT NOTICE NOTICE_DATE: Mon 06 Feb 17 22:19:08 UT NOTICE_TYPE: Swift-UVOT Processed Source List TRIGGER_NUM: 737125, Seg_Num: 0 POINT_RA: 271.761d {+18h 07m 03s} (J2000) POINT_DEC: +11.242d {+11d 14' 32"} (J2000) POINT_ROLL: 117.683d IMG_START_DATE: 17790 TJD; 37 DOY; 17/02/06 IMG_START_TIME: 79910.16 SOD {22:11:50.16} UT FILTER: 10, White BKG_MEAN: 5.466 N_STARS: 190 X_OFFSET: 449 [pixels] Y_OFFSET: 243 [pixels] X_MAX: 1888 [pixels] Y_MAX: 1682 [pixels] DET_THRESH: 20 PHOTO_THRESH: 12 SL_URL: sw00737125000msufc508111910.fits SUN_POSTN: 320.76d {+21h 23m 03s} -15.33d {-15d 20' 01"} SUN_DIST: 55.15 [deg] Sun_angle= 3.3 [hr] (West of Sun) MOON_POSTN: 84.64d {+05h 38m 34s} +18.49d {+18d 29' 12"} MOON_DIST: 149.40 [deg] MOON_ILLUM: 80 [%] GAL_COORDS: 38.12, 14.89 [deg] galactic lon,lat of the pointing direction ECL_COORDS: 272.10, 34.67 [deg] ecliptic lon,lat of the pointing direction COMMENTS: SWIFT-UVOT Processed Source List. COMMENTS: If you have elected to receive attachments: COMMENTS: The uvot_catalog_srclist.fits.gz file does not exist; skipping the attachment.
TITLE: GCN/SWIFT NOTICE NOTICE_DATE: Mon 06 Feb 17 22:20:58 UT NOTICE_TYPE: Swift-UVOT Image TRIGGER_NUM: 737125, Seg_Num: 0 POINT_RA: 271.761d {+18h 07m 03s} (J2000) POINT_DEC: +11.242d {+11d 14' 32"} (J2000) ROLL: 117.683d IMG_START_DATE: 17790 TJD; 37 DOY; 17/02/06 IMG_START_TIME: 79910.16 SOD {22:11:50.16} UT FILTER: 10, White EXPOSURE_ID: 508111928 X_OFFSET: 1008 [pixels] Y_OFFSET: 802 [pixels] WIDTH: 160 [pixels] HEIGHT: 160 [pixels] X_GRB_POS: 1168 Y_GRB_POS: 962 BINNING_INDEX: 1 IM_URL: sw00737125000msuni508111929.fits SUN_POSTN: 320.76d {+21h 23m 04s} -15.33d {-15d 20' 00"} SUN_DIST: 55.15 [deg] Sun_angle= 3.3 [hr] (West of Sun) MOON_POSTN: 84.66d {+05h 38m 39s} +18.49d {+18d 29' 17"} MOON_DIST: 149.41 [deg] MOON_ILLUM: 80 [%] GAL_COORDS: 38.12, 14.89 [deg] galactic lon,lat of the pointing direction ECL_COORDS: 272.10, 34.67 [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: Mon 06 Feb 17 22:21:08 UT NOTICE_TYPE: Swift-UVOT Processed Image TRIGGER_NUM: 737125, Seg_Num: 0 POINT_RA: 271.761d {+18h 07m 03s} (J2000) POINT_DEC: +11.242d {+11d 14' 32"} (J2000) ROLL: 117.683d IMG_START_DATE: 17790 TJD; 37 DOY; 17/02/06 IMG_START_TIME: 79910.16 SOD {22:11:50.16} UT FILTER: 10, White EXPOSURE_ID: 508111928 X_OFFSET: 1008 [pixels] Y_OFFSET: 802 [pixels] WIDTH: 160 [pixels] HEIGHT: 160 [pixels] X_GRB_POS: 1168 Y_GRB_POS: 962 BINNING_INDEX: 1 IM_URL: sw00737125000msuni508111929.fits SUN_POSTN: 320.77d {+21h 23m 04s} -15.33d {-15d 20' 00"} SUN_DIST: 55.15 [deg] Sun_angle= 3.3 [hr] (West of Sun) MOON_POSTN: 84.66d {+05h 38m 39s} +18.49d {+18d 29' 17"} MOON_DIST: 149.41 [deg] MOON_ILLUM: 80 [%] GAL_COORDS: 38.12, 14.89 [deg] galactic lon,lat of the pointing direction ECL_COORDS: 272.10, 34.67 [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_catalog_image.fits.gz file does not exist; skipping the attachment.
RA(J2000) = 18h 07m 09s Dec(J2000) = +11d 13' 23"with an uncertainty of 3 arcmin (radius, 90% containment, including systematic uncertainty). Due to a processing outage, the real-time light curve is not available at this time.
RA(J2000) = 18h 07m 04.98s Dec(J2000) = +11d 11' 39.4"with an uncertainty of 2.2 arcseconds (radius, 90% containment). This position may be improved as more data are received; the latest position is available at http://www.swift.ac.uk/sper.
RA (J2000): 18 07 04.95 Dec (J2000): +11 11 37.2with an uncertainty of 1.9 arcsec (radius, 90% confidence).
RA (J2000): 18h 07m 04.95s Dec(J2000): +11d 11' 37.8"with an uncertainty of 1.6 arcsec (radius, 90% confidence).
Total column: 4.9 (+0.8, -0.7) x 10^21 cm^-2 Galactic foreground: 1.1 x 10^21 cm^-2 Excess significance: 8.5 sigma Photon index: 2.46 (+0.18, -0.17)If the light curve continues to decay with a power-law decay index of 2.48, the count rate at T+24 hours will be 2.5 x 10^-7 count s^-1, corresponding to an observed (unabsorbed) 0.3-10 keV flux of 7.8 x 10^-18 (1.8 x 10^-17) erg cm^-2 s^-1.
RA(J2000) = 18h 07m 08.2s Dec(J2000) = +11d 10' 28.3"with an uncertainty of 2.2 arcmin, (radius, sys+stat, 90% containment). The partial coding was 78%.
Filter T_start(s) T_stop(s) Exp(s) Mag white_FC 106 255 147 >20.3 u_FC 264 513 246 >19.6 white 106 1534 392 >20.7 v 594 1411 97 >18.2 b 519 1510 97 >19.1 u 226 1484 343 >19.7 w1 643 1460 97 >18.6 w2 569 1386 97 >19.1The magnitudes in the table are not corrected for the Galactic extinction due to the reddening of E(B-V) = 0.146 in the direction of the burst (Schlegel et al. 1998).