Gamma-ray Burst 120703A

(All information courtesy of the instrument teams.)

Previous IAU Circulars

none

Results of Observations

GCN/BACODINE POSITION NOTICE

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Tue 03 Jul 12 17:25:38 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     525671,   Seg_Num: 0
GRB_RA:          339.357d {+22h 37m 26s} (J2000),
                 339.531d {+22h 38m 07s} (current),
                 338.659d {+22h 34m 38s} (1950)
GRB_DEC:         -29.736d {-29d 44' 08"} (J2000),
                 -29.671d {-29d 40' 14"} (current),
                 -29.996d {-29d 59' 44"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       5232 [cnts]    Image_Peak=681 [image_cnts]
TRIGGER_DUR:     0.512 [sec] 
TRIGGER_INDEX:   124     E_range: 25-100 keV
BKG_INTEN:       26332 [cnts]
BKG_TIME:        62710.61 SOD {17:25:10.61} UT
BKG_DUR:         8 [sec]
GRB_DATE:        16111 TJD;   185 DOY;   12/07/03
GRB_TIME:        62722.19 SOD {17:25:22.19} UT
GRB_PHI:          36.38 [deg]
GRB_THETA:        30.45 [deg]
SOLN_STATUS:     0x20000003
RATE_SIGNIF:     83.50 [sigma]
IMAGE_SIGNIF:    20.58 [sigma]
MERIT_PARAMS:     +1  +0  +0  -1  +2  +7  +0  +0 +63  +0 
SUN_POSTN:       103.22d {+06h 52m 54s}  +22.88d {+22d 52' 49"}
SUN_DIST:        129.53 [deg]   Sun_angle= 8.2 [hr] (West of Sun)
MOON_POSTN:      282.09d {+18h 48m 21s}  -19.83d {-19d 49' 40"}
MOON_DIST:        52.57 [deg]
MOON_ILLUM:      100 [%]
GAL_COORDS:       19.86,-60.53 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      329.52,-19.47 [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 = 220.97,-18.79 [deg].  
COMMENTS:           
COMMENTS:        NOTE: This BAT event is temporally(5.0<100sec) coincident with the FERMI_GBM event (trignum=363029120).

red DSS finding chart ps-file

GCN NOTICE

TITLE:           GCN/FERMI NOTICE
NOTICE_DATE:     Tue 03 Jul 12 17:25:41 UT
NOTICE_TYPE:     Fermi-GBM Flight Position
RECORD_NUM:      44
TRIGGER_NUM:     363029120
GRB_RA:          325.300d {+21h 41m 12s} (J2000),
                 325.486d {+21h 41m 57s} (current),
                 324.557d {+21h 38m 14s} (1950)
GRB_DEC:         -32.633d {-32d 37' 59"} (J2000),
                 -32.576d {-32d 34' 33"} (current),
                 -32.861d {-32d 51' 39"} (1950)
GRB_ERROR:       17.57 [deg radius, statistical plus systematic]
GRB_INTEN:       223 [cnts/sec]
DATA_SIGNIF:     7.50 [sigma]
INTEG_TIME:      0.512 [sec]
GRB_DATE:        16111 TJD;   185 DOY;   12/07/03
GRB_TIME:        62717.03 SOD {17:25:17.03} UT
GRB_PHI:         172.00 [deg]
GRB_THETA:        70.00 [deg]
DATA_TIME_SCALE: 0.5120 [sec]
HARD_RATIO:      1.35
LOC_ALGORITHM:   3 (version number of)
MOST_LIKELY:      97%  GRB
2nd_MOST_LIKELY:   1%  Generic SGR
DETECTORS:       0,0,0, 0,0,0, 0,1,0, 0,0,1, 0,0,
SUN_POSTN:       103.22d {+06h 52m 54s}  +22.88d {+22d 52' 49"}
SUN_DIST:        141.62 [deg]   Sun_angle= 9.2 [hr] (West of Sun)
MOON_POSTN:      282.09d {+18h 48m 21s}  -19.83d {-19d 49' 40"}
MOON_DIST:        40.66 [deg]
MOON_ILLUM:      100 [%]
GAL_COORDS:       13.37,-48.74 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      316.62,-17.70 [deg] ecliptic lon,lat of the burst (or transient)
COMMENTS:        Fermi-GBM Flight-calculated Coordinates.  
COMMENTS:        This trigger occurred at longitude,latitude = 211.22,-2.73 [deg].  
COMMENTS:           
COMMENTS:        NOTE: This GBM event is temporally(5.0<100sec) coincident with the SWIFT_BAT event (trignum=525671).

GCN NOTICE

TITLE:           GCN/FERMI NOTICE
NOTICE_DATE:     Tue 03 Jul 12 17:25:53 UT
NOTICE_TYPE:     Fermi-GBM Flight Position
RECORD_NUM:      57
TRIGGER_NUM:     363029120
GRB_RA:          345.167d {+23h 00m 40s} (J2000),
                 345.336d {+23h 01m 21s} (current),
                 344.487d {+22h 57m 57s} (1950)
GRB_DEC:         -27.833d {-27d 49' 59"} (J2000),
                 -27.766d {-27d 45' 57"} (current),
                 -28.102d {-28d 06' 06"} (1950)
GRB_ERROR:       4.35 [deg radius, statistical plus systematic]
GRB_INTEN:       918 [cnts/sec]
DATA_SIGNIF:     63.00 [sigma]
INTEG_TIME:      2.048 [sec]
GRB_DATE:        16111 TJD;   185 DOY;   12/07/03
GRB_TIME:        62717.03 SOD {17:25:17.03} UT
GRB_PHI:         161.00 [deg]
GRB_THETA:        55.00 [deg]
DATA_TIME_SCALE: 2.0480 [sec]
HARD_RATIO:      0.63
LOC_ALGORITHM:   3 (version number of)
MOST_LIKELY:      96%  GRB
2nd_MOST_LIKELY:   3%  Generic Transient
DETECTORS:       0,0,0, 0,0,0, 0,1,0, 0,0,1, 0,0,
SUN_POSTN:       103.22d {+06h 52m 54s}  +22.88d {+22d 52' 49"}
SUN_DIST:        124.22 [deg]   Sun_angle= 7.9 [hr] (West of Sun)
MOON_POSTN:      282.09d {+18h 48m 22s}  -19.83d {-19d 49' 39"}
MOON_DIST:        57.81 [deg]
MOON_ILLUM:      100 [%]
GAL_COORDS:       24.83,-65.47 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      335.29,-19.77 [deg] ecliptic lon,lat of the burst (or transient)
COMMENTS:        Fermi-GBM Flight-calculated Coordinates.  
COMMENTS:        This trigger occurred at longitude,latitude = 211.22,-2.73 [deg].  
COMMENTS:           
COMMENTS:        NOTE: This GBM event is temporally(5.0<100sec) coincident with the SWIFT_BAT event (trignum=525671).

GCN NOTICE

TITLE:           GCN/FERMI NOTICE
NOTICE_DATE:     Tue 03 Jul 12 17:29:02 UT
NOTICE_TYPE:     Fermi-GBM Ground Position
RECORD_NUM:      56
TRIGGER_NUM:     363029120
GRB_RA:          337.330d {+22h 29m 19s} (J2000),
                 337.509d {+22h 30m 02s} (current),
                 336.614d {+22h 26m 27s} (1950)
GRB_DEC:         -34.560d {-34d 33' 35"} (J2000),
                 -34.496d {-34d 29' 44"} (current),
                 -34.816d {-34d 48' 57"} (1950)
GRB_ERROR:       6.04 [deg radius, statistical only]
DATA_SIGNIF:     12.70 [sigma]
DATA_INTERVAL:   4.096 [sec]
GRB_DATE:        16111 TJD;   185 DOY;   12/07/03
GRB_TIME:        62717.03 SOD {17:25:17.03} UT
GRB_PHI:         171.00 [deg]
GRB_THETA:        60.00 [deg]
E_RANGE:         44.032 - 279.965 [keV]
LOC_ALGORITHM:   4143 (Gnd S/W Version number)
SUN_POSTN:       103.23d {+06h 52m 54s}  +22.88d {+22d 52' 49"}
SUN_DIST:        131.57 [deg]   Sun_angle= 8.4 [hr] (West of Sun)
MOON_POSTN:      282.12d {+18h 48m 30s}  -19.82d {-19d 49' 21"}
MOON_DIST:        50.77 [deg]
MOON_ILLUM:      100 [%]
GAL_COORDS:       10.33,-58.78 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      325.78,-23.22 [deg] ecliptic lon,lat of the burst (or transient)
COMMENTS:        Fermi-GBM Ground-calculated Coordinates.  
COMMENTS:        In the LAT Field-of-view.  
COMMENTS:        This Notice was ground-generated -- not flight-generated.  
COMMENTS:           
COMMENTS:        NOTE: This GBM event is temporally(5.0<100sec) coincident with the INTEGRAL_SPIACS event (trignum=6592).

GCN NOTICE

TITLE:           GCN/FERMI NOTICE
NOTICE_DATE:     Tue 03 Jul 12 17:29:05 UT
NOTICE_TYPE:     Fermi-GBM Ground Position
RECORD_NUM:      60
TRIGGER_NUM:     363029120
GRB_RA:          340.100d {+22h 40m 24s} (J2000),
                 340.273d {+22h 41m 06s} (current),
                 339.405d {+22h 37m 37s} (1950)
GRB_DEC:         -29.400d {-29d 23' 59"} (J2000),
                 -29.335d {-29d 20' 03"} (current),
                 -29.661d {-29d 39' 39"} (1950)
GRB_ERROR:       1.09 [deg radius, statistical only]
DATA_SIGNIF:     64.20 [sigma]
DATA_INTERVAL:   2.048 [sec]
GRB_DATE:        16111 TJD;   185 DOY;   12/07/03
GRB_TIME:        62717.03 SOD {17:25:17.03} UT
GRB_PHI:         164.00 [deg]
GRB_THETA:        59.00 [deg]
E_RANGE:         44.032 - 279.965 [keV]
LOC_ALGORITHM:   4143 (Gnd S/W Version number)
SUN_POSTN:       103.23d {+06h 52m 54s}  +22.88d {+22d 52' 49"}
SUN_DIST:        128.86 [deg]   Sun_angle= 8.2 [hr] (West of Sun)
MOON_POSTN:      282.12d {+18h 48m 30s}  -19.82d {-19d 49' 21"}
MOON_DIST:        53.21 [deg]
MOON_ILLUM:      100 [%]
GAL_COORDS:       20.63,-61.15 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      330.30,-19.42 [deg] ecliptic lon,lat of the burst (or transient)
COMMENTS:        Fermi-GBM Ground-calculated Coordinates.  
COMMENTS:        In the LAT Field-of-view.  
COMMENTS:        Bright hard burst in the GBM.  
COMMENTS:        This Notice was ground-generated -- not flight-generated.  
COMMENTS:           
COMMENTS:        NOTE: This GBM event is temporally(5.0<100sec) coincident with the INTEGRAL_SPIACS event (trignum=6592).

GCN NOTICE

TITLE:          GCN/INTEGRAL NOTICE
NOTICE_DATE:    Tue 03 Jul 12 17:25:59 UT 
NOTICE_TYPE:    INTEGRAL SPI ACS Trigger
TRIGGER_NUM:    6592,   Sub_Num: 0
GRB_INTEN:      14.14 [sigma]  
GRB_TIME:       62722.19 SOD {17:25:22.19} UT
GRB_DATE:       16111 TJD;   185 DOY;   12/07/03
COMMENTS:       INTEGRAL SPI_ACS GRB Trigger.
COMMENTS:       Time_Scale=0.0500 and Time_Error=0.0250.
COMMENTS:
COMMENTS:       NOTE: This SPIACS event is temporally(5.0<100sec) coincident with the FERMI_GBM event (trignum=363029120).
COMMENTS:
COMMENTS:       The SPIACS lightcurve can be found at:
COMMENTS:
+ftp://isdcarc.unige.ch/arc/FTP/ibas/spiacs/2012-07/2012-07-03T17-25-22.0010-31363-39824-0.lc

GCN NOTICE

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Tue 03 Jul 12 17:27:02 UT
NOTICE_TYPE:     Swift-XRT Nack-Position
TRIGGER_NUM:     525671,   Seg_Num: 0
POINT_RA:        339.347d {+22h 37m 23s} (J2000)
POINT_DEC:       -29.738d {-29d 44' 18"} (J2000)
IMG_START_DATE:  16111 TJD;   185 DOY;   12/07/03
IMG_START_TIME:  62808.93 SOD {17:26:48.93} UT,   86.7 [sec] since BAT Trigger Time
COUNTS:          9    Min_needed= 20
STD_DEV:         0.00   Max_StdDev_for_Good=28.44 [arcsec]
PH2_ITER:        2    Max_iter_allowed= 4
ERROR_CODE:      1
COMMENTS:        SWIFT-XRT Nack Position.  
COMMENTS:        No source found in the image.

GCN NOTICE

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Tue 03 Jul 12 17:29:03 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     525671,   Seg_Num: 0
GRB_RA:          339.357d {+22h 37m 26s} (J2000),
                 339.531d {+22h 38m 07s} (current),
                 338.659d {+22h 34m 38s} (1950)
GRB_DEC:         -29.736d {-29d 44' 08"} (J2000),
                 -29.671d {-29d 40' 14"} (current),
                 -29.996d {-29d 59' 44"} (1950)
GRB_DATE:        16111 TJD;   185 DOY;   12/07/03
GRB_TIME:        62722.19 SOD {17:25:22.19} UT
TRIGGER_INDEX:   124
GRB_PHI:          36.38 [deg]
GRB_THETA:        30.45 [deg]
DELTA_TIME:      -37.00 [sec]
TRIGGER_DUR:     0.512 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     83.50 [sigma]
IMAGE_SIGNIF:    20.58 [sigma]
LC_URL:          sw00525671000msb.lc
SUN_POSTN:       103.23d {+06h 52m 54s}  +22.88d {+22d 52' 49"}
SUN_DIST:        129.54 [deg]   Sun_angle= 8.2 [hr] (West of Sun)
MOON_POSTN:      282.12d {+18h 48m 30s}  -19.82d {-19d 49' 21"}
MOON_DIST:        52.54 [deg]
MOON_ILLUM:      100 [%]
GAL_COORDS:       19.86,-60.53 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      329.52,-19.47 [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 = 220.97,-18.79 [deg].

GCN NOTICE

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Tue 03 Jul 12 17:30:25 UT
NOTICE_TYPE:     Swift-UVOT Source List
TRIGGER_NUM:     525671,   Seg_Num: 0
POINT_RA:        339.347d {+22h 37m 23s} (J2000)
POINT_DEC:       -29.738d {-29d 44' 18"} (J2000)
POINT_ROLL:      83.803d
IMG_START_DATE:  16111 TJD;   185 DOY;   12/07/03
IMG_START_TIME:  62812.47 SOD {17:26:52.47} UT,   90.3 [sec] since BAT Trigger Time
FILTER:          10, White
BKG_MEAN:        4.878
N_STARS:         17
X_OFFSET:        528 [pixels]
Y_OFFSET:        530 [pixels]
X_MAX:           1487 [pixels]
Y_MAX:           1489 [pixels]
DET_THRESH:      19
PHOTO_THRESH:    11
SL_URL:          sw00525671000msufc0090.fits
SUN_POSTN:       103.23d {+06h 52m 54s}  +22.88d {+22d 52' 48"}
SUN_DIST:        129.55 [deg]   Sun_angle= 8.2 [hr] (West of Sun)
MOON_POSTN:      282.14d {+18h 48m 33s}  -19.82d {-19d 49' 13"}
MOON_DIST:        52.52 [deg]
MOON_ILLUM:      100 [%]
GAL_COORDS:       19.85,-60.52 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      329.52,-19.47 [deg] ecliptic lon,lat of the pointing direction
COMMENTS:        SWIFT-UVOT Source List.

GCN NOTICE

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Tue 03 Jul 12 17:30:54 UT
NOTICE_TYPE:     Swift-UVOT Processed Source List
TRIGGER_NUM:     525671,   Seg_Num: 0
POINT_RA:        339.347d {+22h 37m 23s} (J2000)
POINT_DEC:       -29.738d {-29d 44' 18"} (J2000)
POINT_ROLL:      83.803d
IMG_START_DATE:  16111 TJD;   185 DOY;   12/07/03
IMG_START_TIME:  62812.47 SOD {17:26:52.47} UT,   90.3 [sec] since BAT Trigger Time
FILTER:          10, White
BKG_MEAN:        4.878
N_STARS:         17
X_OFFSET:        528 [pixels]
Y_OFFSET:        530 [pixels]
X_MAX:           1487 [pixels]
Y_MAX:           1489 [pixels]
DET_THRESH:      19
PHOTO_THRESH:    11
SL_URL:          sw00525671000msufc0090.fits
SUN_POSTN:       103.23d {+06h 52m 54s}  +22.88d {+22d 52' 48"}
SUN_DIST:        129.55 [deg]   Sun_angle= 8.2 [hr] (West of Sun)
MOON_POSTN:      282.14d {+18h 48m 35s}  -19.82d {-19d 49' 11"}
MOON_DIST:        52.52 [deg]
MOON_ILLUM:      100 [%]
GAL_COORDS:       19.85,-60.52 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      329.52,-19.47 [deg] ecliptic lon,lat of the pointing direction
COMMENTS:        SWIFT-UVOT Processed Source List.  
COMMENTS:        All 4 attachments are included.

GCN NOTICE

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Tue 03 Jul 12 17:31:15 UT
NOTICE_TYPE:     Swift-XRT Position
TRIGGER_NUM:     525671,   Seg_Num: 0
GRB_RA:          339.3560d {+22h 37m 25.43s} (J2000),
                 339.5302d {+22h 38m 07.23s} (current),
                 338.6582d {+22h 34m 37.97s} (1950)
GRB_DEC:         -29.7244d {-29d 43' 27.8"} (J2000),
                 -29.6592d {-29d 39' 33.1"} (current),
                 -29.9843d {-29d 59' 03.5"} (1950)
GRB_ERROR:       3.8 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN:       1.00e-10 [erg/cm2/sec]
GRB_SIGNIF:      10.00 [sigma]
IMG_START_DATE:  16111 TJD;   185 DOY;   12/07/03
IMG_START_TIME:  62839.00 SOD {17:27:19.00} UT,   116.8 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:       103.23d {+06h 52m 54s}  +22.88d {+22d 52' 48"}
SUN_DIST:        129.54 [deg]   Sun_angle= 8.2 [hr] (West of Sun)
MOON_POSTN:      282.15d {+18h 48m 35s}  -19.82d {-19d 49' 09"}
MOON_DIST:        52.52 [deg]
MOON_ILLUM:      100 [%]
GAL_COORDS:       19.88,-60.52 [deg] galactic lon,lat of the burst
ECL_COORDS:      329.53,-19.46 [deg] ecliptic lon,lat of the burst
COMMENTS:        SWIFT-XRT Coordinates.  
COMMENTS:        This Notice was ground-generated -- not flight-generated.  
COMMENTS:        TAM values, flux and significance fields are not valid.  
COMMENTS:        This position was automatically generated on the ground using  
COMMENTS:        Photon Counting data telemetered via TDRSS (SPER data).  
COMMENTS:        See http://www.swift.ac.uk/sper/docs.php for details.  
COMMENTS:        The probability that this is a serendipitous source in the  
COMMENTS:        SPER window is 0.58% < P(seren) < 1.1%.

GCN NOTICE

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Tue 03 Jul 12 17:31:53 UT
NOTICE_TYPE:     Swift-UVOT Image
TRIGGER_NUM:     525671,   Seg_Num: 0
POINT_RA:        339.347d {+22h 37m 23s} (J2000)
POINT_DEC:       -29.738d {-29d 44' 18"} (J2000)
ROLL:            83.803d
IMG_START_DATE:  16111 TJD;   185 DOY;   12/07/03
IMG_START_TIME:  62812.47 SOD {17:26:52.47} UT,   90.3 [sec] since BAT Trigger Time
FILTER:          10, White
EXPOSURE_ID:     363029221
X_OFFSET:        847 [pixels]
Y_OFFSET:        849 [pixels]
WIDTH:           160 [pixels]
HEIGHT:          160 [pixels]
X_GRB_POS:       1007
Y_GRB_POS:       1009
BINNING_INDEX:   1
IM_URL:          sw00525671000msuni0100.fits
SUN_POSTN:       103.23d {+06h 52m 55s}  +22.88d {+22d 52' 48"}
SUN_DIST:        129.55 [deg]   Sun_angle= 8.2 [hr] (West of Sun)
MOON_POSTN:      282.15d {+18h 48m 37s}  -19.82d {-19d 49' 05"}
MOON_DIST:        52.51 [deg]
MOON_ILLUM:      100 [%]
GAL_COORDS:       19.85,-60.52 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      329.52,-19.47 [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).

GCN NOTICE

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Tue 03 Jul 12 17:32:14 UT
NOTICE_TYPE:     Swift-UVOT Processed Image
TRIGGER_NUM:     525671,   Seg_Num: 0
POINT_RA:        339.347d {+22h 37m 23s} (J2000)
POINT_DEC:       -29.738d {-29d 44' 18"} (J2000)
ROLL:            83.803d
IMG_START_DATE:  16111 TJD;   185 DOY;   12/07/03
IMG_START_TIME:  62812.47 SOD {17:26:52.47} UT,   90.3 [sec] since BAT Trigger Time
FILTER:          10, White
EXPOSURE_ID:     363029221
X_OFFSET:        847 [pixels]
Y_OFFSET:        849 [pixels]
WIDTH:           160 [pixels]
HEIGHT:          160 [pixels]
X_GRB_POS:       1007
Y_GRB_POS:       1009
BINNING_INDEX:   1
IM_URL:          sw00525671000msuni0100.fits
SUN_POSTN:       103.23d {+06h 52m 55s}  +22.88d {+22d 52' 48"}
SUN_DIST:        129.55 [deg]   Sun_angle= 8.2 [hr] (West of Sun)
MOON_POSTN:      282.16d {+18h 48m 38s}  -19.82d {-19d 49' 03"}
MOON_DIST:        52.51 [deg]
MOON_ILLUM:      100 [%]
GAL_COORDS:       19.85,-60.52 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      329.52,-19.47 [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:        All 4 attachments are included.

GCN NOTICE

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Tue 03 Jul 12 17:33:31 UT
NOTICE_TYPE:     Swift-UVOT Position
TRIGGER_NUM:     525671,   Seg_Num: 0
GRB_RA:          339.3571d {+22h 37m 25.70s} (J2000),
                 339.5313d {+22h 38m 07.50s} (current),
                 338.6593d {+22h 34m 38.24s} (1950)
GRB_DEC:         -29.7231d {-29d 43' 23.1"} (J2000),
                 -29.6579d {-29d 39' 28.4"} (current),
                 -29.9830d {-29d 58' 58.9"} (1950)
GRB_ERROR:       1.1 [arcsec radius, statistical only]
GRB_MAG:         18.51 +/- 0.40 [mag]
FILTER:          10, White
IMG_START_DATE:  16111 TJD;   185 DOY;   12/07/03
IMG_START_TIME:  62813.00 SOD {17:26:53.00} UT,   90.8 [sec] since BAT Trigger Time
SUN_POSTN:       103.23d {+06h 52m 55s}  +22.88d {+22d 52' 48"}
SUN_DIST:        129.54 [deg]   Sun_angle= 8.2 [hr] (West of Sun)
MOON_POSTN:      282.17d {+18h 48m 41s}  -19.82d {-19d 48' 56"}
MOON_DIST:        52.50 [deg]
MOON_ILLUM:      100 [%]
GAL_COORDS:       19.89,-60.52 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      329.53,-19.46 [deg] ecliptic lon,lat of the burst (or transient)
COMMENTS:        SWIFT UVOT Position Notice.  
COMMENTS:        This Notice was ground-generated -- not flight-generated.  
COMMENTS:        Result based on srclist data.  
COMMENTS:        Notice generated automatically.

GCN Circular #13408
B.-B. Zhang (PSU), S. D. Barthelmy (GSFC), W. H. Baumgartner (GSFC/UMBC), D. N. Burrows (PSU), M. M. Chester (PSU), N. Gehrels (NASA/GSFC), D. Grupe (PSU), F. E. Marshall (NASA/GSFC), D. M. Palmer (LANL), J. L. Racusin (NASA/GSFC) and T. N. Ukwatta (MSU) report on behalf of the Swift Team:
At 17:25:22 UT, the Swift Burst Alert Telescope (BAT) triggered and located GRB 120703A (trigger=525671). Swift slewed immediately to the burst. The BAT on-board calculated location is RA, Dec 339.357, -29.736 which is
```
   RA(J2000) = 22h 37m 26s
   Dec(J2000) = -29d 44' 08"
```
with an uncertainty of 3 arcmin (radius, 90% containment, including systematic uncertainty). The BAT light curve showed a multiply-peaked structure with a duration of about 50 sec. The peak count rate was ~14000 counts/sec (15-350 keV), at ~0 sec after the trigger.
The XRT began observing the field at 17:26:48.9 UT, 86.7 seconds after the BAT trigger. Using promptly downlinked data we find an uncatalogued X-ray source located at RA, Dec 339.35607, -29.72444 which is equivalent to:
```
   RA(J2000)  = 22h 37m 25.46s
   Dec(J2000) = -29d 43' 28.0"
```
with an uncertainty of 3.8 arcseconds (radius, 90% containment). This location is 41 arcseconds from the BAT onboard position, within the BAT error circle. This position may be improved as more data are received; the latest position is available at http://www.swift.ac.uk/sper.
A power-law fit to a spectrum formed from promptly downlinked event data gives a column density in excess of the Galactic value (1.21 x 10^20 cm^-2, Kalberla et al. 2005), with an excess column of 3.5 (+1.97/-1.72) x 10^21 cm^-2 (90% confidence).
UVOT took a finding chart exposure of 150 seconds with the White filter starting 91 seconds after the BAT trigger. There is a candidate afterglow in the list of sources generated on-board at
```
  RA(J2000)  =	22:37:25.71 = 339.35711
  DEC(J2000) = -29:43:23.5  = -29.72320
```
with a 90%-confidence error radius of about 1.10 arc sec. This position is 5.5 arc sec. from the center of the XRT error circle. The estimated magnitude is 18.51. No correction has been made for the expected extinction corresponding to E(B-V) of 0.02.
Burst Advocate for this burst is B.-B. Zhang (bbzhang AT psu.edu). Please contact the BA by email if you require additional information regarding Swift followup of this burst. In extremely urgent cases, after trying the Burst Advocate, you can contact the Swift PI by phone (see Swift TOO web site for information: http://www.swift.psu.edu/too.html.)

GCN NOTICE

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Tue 03 Jul 12 17:37:50 UT
NOTICE_TYPE:     Swift-UVOT Source List
TRIGGER_NUM:     525671,   Seg_Num: 0
POINT_RA:        339.347d {+22h 37m 23s} (J2000)
POINT_DEC:       -29.738d {-29d 44' 18"} (J2000)
POINT_ROLL:      83.803d
IMG_START_DATE:  16111 TJD;   185 DOY;   12/07/03
IMG_START_TIME:  63025.75 SOD {17:30:25.75} UT,   303.6 [sec] since BAT Trigger Time
FILTER:          7, U
BKG_MEAN:        1.215
N_STARS:         30
X_OFFSET:        288 [pixels]
Y_OFFSET:        290 [pixels]
X_MAX:           1727 [pixels]
Y_MAX:           1729 [pixels]
DET_THRESH:      9
PHOTO_THRESH:    4
SL_URL:          sw00525671000msufc0303.fits
SUN_POSTN:       103.23d {+06h 52m 56s}  +22.88d {+22d 52' 47"}
SUN_DIST:        129.55 [deg]   Sun_angle= 8.2 [hr] (West of Sun)
MOON_POSTN:      282.22d {+18h 48m 52s}  -19.81d {-19d 48' 32"}
MOON_DIST:        52.46 [deg]
MOON_ILLUM:      100 [%]
GAL_COORDS:       19.85,-60.52 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      329.52,-19.47 [deg] ecliptic lon,lat of the pointing direction
COMMENTS:        SWIFT-UVOT Source List.  
COMMENTS:        The Pointing RA,Dec,Roll values came from the 1st SrcList Notice.

GCN NOTICE

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Tue 03 Jul 12 17:38:02 UT
NOTICE_TYPE:     Swift-UVOT Processed Source List
TRIGGER_NUM:     525671,   Seg_Num: 0
POINT_RA:        339.347d {+22h 37m 23s} (J2000)
POINT_DEC:       -29.738d {-29d 44' 18"} (J2000)
POINT_ROLL:      83.803d
IMG_START_DATE:  16111 TJD;   185 DOY;   12/07/03
IMG_START_TIME:  63025.75 SOD {17:30:25.75} UT,   303.6 [sec] since BAT Trigger Time
FILTER:          7, U
BKG_MEAN:        1.215
N_STARS:         30
X_OFFSET:        288 [pixels]
Y_OFFSET:        290 [pixels]
X_MAX:           1727 [pixels]
Y_MAX:           1729 [pixels]
DET_THRESH:      9
PHOTO_THRESH:    4
SL_URL:          sw00525671000msufc0303.fits
SUN_POSTN:       103.23d {+06h 52m 56s}  +22.88d {+22d 52' 47"}
SUN_DIST:        129.55 [deg]   Sun_angle= 8.2 [hr] (West of Sun)
MOON_POSTN:      282.22d {+18h 48m 53s}  -19.81d {-19d 48' 31"}
MOON_DIST:        52.46 [deg]
MOON_ILLUM:      100 [%]
GAL_COORDS:       19.85,-60.52 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      329.52,-19.47 [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.

GCN NOTICE

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Tue 03 Jul 12 17:39:09 UT
NOTICE_TYPE:     Swift-UVOT Image
TRIGGER_NUM:     525671,   Seg_Num: 0
POINT_RA:        339.347d {+22h 37m 23s} (J2000)
POINT_DEC:       -29.738d {-29d 44' 18"} (J2000)
ROLL:            83.803d
IMG_START_DATE:  16111 TJD;   185 DOY;   12/07/03
IMG_START_TIME:  63025.75 SOD {17:30:25.75} UT,   303.6 [sec] since BAT Trigger Time
FILTER:          7, U
EXPOSURE_ID:     363029435
X_OFFSET:        847 [pixels]
Y_OFFSET:        849 [pixels]
WIDTH:           160 [pixels]
HEIGHT:          160 [pixels]
X_GRB_POS:       1007
Y_GRB_POS:       1009
BINNING_INDEX:   1
IM_URL:          sw00525671000msuni0313.fits
SUN_POSTN:       103.23d {+06h 52m 56s}  +22.88d {+22d 52' 46"}
SUN_DIST:        129.55 [deg]   Sun_angle= 8.2 [hr] (West of Sun)
MOON_POSTN:      282.23d {+18h 48m 56s}  -19.81d {-19d 48' 24"}
MOON_DIST:        52.45 [deg]
MOON_ILLUM:      100 [%]
GAL_COORDS:       19.85,-60.52 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      329.52,-19.47 [deg] ecliptic lon,lat of the pointing direction
COMMENTS:        SWIFT-UVOT Image.  
COMMENTS:        The Pointing RA,Dec,Roll values came from the 1st Image Notice.  
COMMENTS:        The GRB Position came from the Window Position in the Mode Command.  
COMMENTS:        The image has 2x2 binning (compression).

GCN NOTICE

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Tue 03 Jul 12 17:39:18 UT
NOTICE_TYPE:     Swift-UVOT Processed Image
TRIGGER_NUM:     525671,   Seg_Num: 0
POINT_RA:        339.347d {+22h 37m 23s} (J2000)
POINT_DEC:       -29.738d {-29d 44' 18"} (J2000)
ROLL:            83.803d
IMG_START_DATE:  16111 TJD;   185 DOY;   12/07/03
IMG_START_TIME:  63025.75 SOD {17:30:25.75} UT,   303.6 [sec] since BAT Trigger Time
FILTER:          7, U
EXPOSURE_ID:     363029435
X_OFFSET:        847 [pixels]
Y_OFFSET:        849 [pixels]
WIDTH:           160 [pixels]
HEIGHT:          160 [pixels]
X_GRB_POS:       1007
Y_GRB_POS:       1009
BINNING_INDEX:   1
IM_URL:          sw00525671000msuni0313.fits
SUN_POSTN:       103.23d {+06h 52m 56s}  +22.88d {+22d 52' 46"}
SUN_DIST:        129.55 [deg]   Sun_angle= 8.2 [hr] (West of Sun)
MOON_POSTN:      282.23d {+18h 48m 56s}  -19.81d {-19d 48' 24"}
MOON_DIST:        52.45 [deg]
MOON_ILLUM:      100 [%]
GAL_COORDS:       19.85,-60.52 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      329.52,-19.47 [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.

GCN Circular #13411
D. Xu (WIS), D. Malesani, J. P. U. Fynbo (DARK/NBI), N. R. Tanvir (U. Leicester), K. Karhunen (U. Turku) report on behalf of a larger collaboration,
We observed the field of GRB 120703A (Zhang et al., GCN 13408) using the 2.5m Nordic Optical Telescope (NOT) equipped with StanCam. Observations started at 04:02:42 UT on 2012-07-04 (i.e., 10.62 hr after the BAT trigger) and 6x300s R-band frames were obtained.
An optical source was marginally detected in the stacked image at coordinates
```
RA (J2000)  = 22:37:25.61
Dec (J2000) = -29:43:23.7
```
with an uncertainty of ~0.5 arcsec radius, being consistent, but slightly offset, with the UVOT position. The source had R~21.7 calibrated against nearby USNO star.
GCN Circular #13412
S. Golenetskii, R.Aptekar, D. Frederiks, E. Mazets, V. Pal'shin, P. Oleynik, M. Ulanov, D. Svinkin, and T. Cline on behalf of the Konus-Wind team, report:
The long GRB 120703A (Swift-BAT trigger #525671: B.-B. Zhang et al., GCN 13408) triggered Konus-Wind at T0=3D62723.578s UT (17:25:23.578)
The burst light curve shows a single peak with a total duration of ~12.5 s. The emission is seen up to ~7 MeV. The Konus-Wind light curve of this GRB is available at http://www.ioffe.ru/LEA/GRBs/GRB120703_T62723/
As observed by Konus-Wind the burst had a fluence of (7.7 =B1 1.0)x10-6 erg/cm2, and a 64-ms peak flux, measured from T0+0.960 s, of (5.4 =B1 1.3)x10-6 erg/cm2/s (both in the 20 keV - 10 MeV energy range).
The time-integrated spectrum of the burst (measured from T0 to T0+8.448 s) is well fit in the 20 keV - 10 MeV range by a power law with exponential cutoff model, for which:
```
alpha =3D -0.81 (-0.25, +0.30),
and Ep =3D 295(-56, +88) keV,
chi2 =3D 96.8/84 dof.
```
Fitting this spectrum with the GRB (Band) function yields the following model parameters: the low-energy photon index alpha =3D -0.67 (-0.37, +0.54), the high energy photon index beta =3D -2.7 (<-2.3), the peak energy Ep =3D 256(-75, +100) keV, chi2 =3D 96.4/83 dof.
The spectrum at the maximum count rate (measured from T0 to T0+0.256 s) is best fitted is best fit in the 20 keV - 10 MeV range by a power law with exponential cutoff model, for which: alpha =3D -0.50 (-0.37, +0.46), and Ep =3D 410(-90, +150) keV, chi2 =3D 21.5/22 dof.
All the quoted results are preliminary. All the quoted errors are at the 90% confidence level.
GCN Circular #13414
M. Stamatikos (OSU), S. D. Barthelmy (GSFC), W. H. Baumgartner (GSFC/UMBC), J. R. Cummings (GSFC/UMBC), E. E. Fenimore (LANL), N. Gehrels (GSFC), H. A. Krimm (GSFC/USRA), C. B. Markwardt (GSFC), D. M. Palmer (LANL), T. Sakamoto (GSFC/UMBC), G. Sato (ISAS), J. Tueller (GSFC), T. N. Ukwatta (MSU), B.-B. Zhang (PSU) (i.e. the Swift-BAT team):
Using the data set from T-61 to T+243 sec from recent telemetry downlinks, we report further analysis of BAT GRB 120703A (trigger #525671) (Zhang, et al., GCN Circ. 13408). The BAT ground-calculated position is RA, Dec = 339.353, -29.726 deg, which is
```
   RA(J2000)  =  22h 37m 24.7s 
   Dec(J2000) = -29d 43' 34.9" 
```
with an uncertainty of 1.0 arcmin, (radius, sys+stat, 90% containment). The partial coding was 50%.
The mask-weighted light curve shows the burst started at ~T-45 sec with a weak pulse with a width of about 20 sec. The burst continues with a moderate increase to a strong central pulse from T-0.2 to T+1.0 sec, and then a decay back to baseline at ~T+45 sec. T90 (15-350 keV) is 25.2 +- 4.3 sec (estimated error including systematics).
The time-averaged spectrum from T-7.27 to T+32.60 sec is best fit by a simple power-law model. The power law index of the time-averaged spectrum is 1.51 +- 0.06. The fluence in the 15-150 keV band is 3.5 +- 0.1 x 10^-6 erg/cm2. The 1-sec peak photon flux measured from T+0.06 sec in the 15-150 keV band is 10.5 +- 0.4 ph/cm2/sec. All the quoted errors are at the 90% confidence level.
The results of the batgrbproduct analysis are available at http://gcn.gsfc.nasa.gov/notices_s/525671/BA/
GCN Circular #13415
M.R. Goad, J.P. Osborne, A.P. Beardmore and P.A. Evans (U. Leicester) report on behalf of the Swift-XRT team.
Using 7867 s of XRT Photon Counting mode data and 16 UVOT images for GRB 120703A, we find an astrometrically corrected X-ray position (using the XRT-UVOT alignment and matching UVOT field sources to the USNO-B1 catalogue): RA, Dec = 339.35690, -29.72350 which is equivalent to:
```
RA (J2000): 22h 37m 25.66s
Dec (J2000): -29d 43' 24.6"
```
with an uncertainty of 1.4 arcsec (radius, 90% confidence).
This position may be improved as more data are received. The latest position can be viewed at http://www.swift.ac.uk/xrt_positions. Position enhancement is described by Goad et al. (2007, A&A, 476, 1401) and Evans et al. (2009, MNRAS, 397, 1177).
This circular was automatically generated, and is an official product of the Swift-XRT team.
GCN Circular #13416
J.P. Osborne (U. Leicester), K.L. Page (U. Leicester), C. Pagani (U. Leicester), A. Melandri (INAF-OAB), B. Sbarufatti (INAF-OAB/PSU), G. Stratta (ASDC), J.A. Kennea (PSU), M.C. Stroh (PSU), D.N. Burrows (PSU) and B.-B. Zhang report on behalf of the Swift-XRT team:
We have analysed 12 ks of XRT data for GRB 120703A (-B. Zhang et al. GCN Circ. 13408), from 70 s to 68.9 ks after the BAT trigger. The data comprise 374 s in Windowed Timing (WT) mode (the first 9 s were taken while Swift was slewing) with the remainder in Photon Counting (PC) mode. The enhanced XRT position for this burst was given by Goad et al. (GCN. Circ 13415).
The light curve can be modelled with an initial power-law decay with an index of alpha=0.69 (+0.04, -0.06), followed by a break at T+4130 s to an alpha of 1.04 (+/-0.06).
A spectrum formed from the PC mode data can be fitted with an absorbed power-law with a photon spectral index of 2.00 (+0.13, -0.12). The best-fitting absorption column is 1.4 (+/-0.3) x 10^21 cm^-2, in excess of the Galactic value of 1.2 x 10^20 cm^-2 (Kalberla et al. 2005). The counts to observed (unabsorbed) 0.3-10 keV flux conversion factor deduced from this spectrum is 3.7 x 10^-11 (5.1 x 10^-11) erg cm^-2 count^-1.
A summary of the PC-mode spectrum is thus:
```
Total column:	     1.4 (+/-0.3) x 10^21 cm^-2
Galactic foreground: 1.2 x 10^20 cm^-2
Excess significance: 7.0 sigma
Photon index:	     2.00 (+0.13, -0.12)
```
The results of the XRT-team automatic analysis are available at http://www.swift.ac.uk/xrt_products/00525671.
This circular is an official product of the Swift-XRT team.
GCN Circular #13417
Andrew C. Collazzi (NASA/ORAU) reports on behalf of the Fermi GBM Team:
"At 17:25:17 UT on 03 July 2012, the Fermi Gamma-ray Burst Monitor (GBM) triggered and located GRB 120703A (trigger 363029120 / 120703.726). This burst was also detected by Swift/BAT (Zhang, B.-B. et al., GCN 13408). The GBM on-ground position is consistent with the Swift location. The burst was also detected by Konus-Wind (Golenetskii, R. et al., GCN 13412).
The burst triggered an ARR (Automatic Repointing Request), causing Fermi to slew so the LAT would point to the source.
The GBM light curve is similiar to the Swift detection. We observe a strong central pulse with fainter wings, the total pulse having a width of ~20s. We measure the duration (T90) of about 9.216s (50-300 keV). The time-averaged spectrum from T0-2.048 to T0+14.336 s is best fit by a Comptonized power-law function, with Epeak = 305.6 +/- 21.1 keV and alpha = -1.06 +/- 0.03. The fluence (10-1000 keV) in this time interval is (9.154 +/- 0.246)E-06 erg/cm^2.
The burst is also fit well with a Band function with Epeak = 238.5 +/- 26.5, keV alpha = -0.98 +/- 0.05, and beta = -2.08 +/- 0.12.
The spectral analysis results presented above are preliminary; final results will be published in the GBM GRB Catalog."
GCN Circular #13418
C. A. Swenson (PSU) and B.-B. Zhang (PSU) report on behalf of the Swift/UVOT team:
The Swift/UVOT began settled observations of the field of GRB 120703A 90 s after the BAT trigger (Zhang et al., GCN Circ. 13408). A source consistent with the XRT position (Goad et al., GCN Circ. 13415) is detected in the initial UVOT exposures.
The preliminary UVOT position is:
```
     RA  (J2000) =  22:37:25.67 = 339.35694 (deg.)
     Dec (J2000) = -29:43:23.8  = -29.72327 (deg.)
```
with an estimated uncertainty of 0.52 arc sec. (radius, 90% confidence).
Preliminary detections and 3-sigma upper limits using the UVOT photometri= c system (Breeveld et al. 2011, AIP Conf. Proc. 1358, 373) for the early exposures= are:
```
Filter         T_start(s)   T_stop(s)      Exp(s)           Mag

white               90          240          147         18.48 =B1 0.06
v                 4299         4499          197        >19.5
b                 3684         5249          325        >20.9
u                  304          416          110         18.07 =B1 0.13
w1                4710         4909          197        >19.5
m2                4504         4704          197        >21.4
w2                4095         4294          197        >21.4
```
The magnitudes in the table are not corrected for the Galactic extinction due to the reddening of E(B-V) =3D 0.02 in the direction of the burst (Schlegel et al. 1998).
GCN Circular #13420
B. E. Cobb (GWU) reports:
Using the ANDICAM instrument on the 1.3m telescope at CTIO, we obtained optical/IR imaging of the error region of GRB 120703A (GCN 13408, Zhang et al.) with a mid-exposure time of 13.7 hours post-burst (2012-07-04 07:07 UT). Total summed exposure times amounted to 15 minutes in I and V and 12 minutes in J and K.
No source is detected at the position of the optical afterglow (e.g. GCN 13411, Xu et al.; GCN 13418, Swenson et al.) to approximate limiting magnitudes of I > 20.5, J > 18.5 and K > 17.4. Magnitudes are calibrated using USNO-B1.0 stars in I, and 2MASS stars in J and K.

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Jochen Greiner, last update: 05-Jul-2012 [Disclaimer]