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GRB 140903A

Time: 15:00:30
Trigger Number: 611599
Burst Advocate: Jay Cummings

BAT Data:

RA: a 238.021
15:52:05.0
Dec: a 27.608
27:36:28.8
90% Error Radius: b 1.0
T90: c 0.30
Fluence: d 1.4 (0.1)
1s Peak Photon Flux: e 2.5 (0.2)
Photon Index: f 1.99, PL (0.12)

90% error in parentheses,
a J2000; b arcmin; c seconds; d 10-7 erg/cm2 (15-150 keV); e ph/cm2/sec (15-150 keV); f PL = simple power-law, CPL = cutoff power-law (15-150 keV)

BAT Light Curve:

BAT Light Curve for GRB 140903A

XRT Data:

RA: a 15:52:03.27
Dec: a 27:36:09.4
90% Error Radius: b 1.4
Time to First Observation: c 59
Early Flux: d 10
11 Hour Flux: d 0.124650474
24 Hour Flux: d 0.049621749
Initial Temporal Index: -0.186
Spectral Index (Gamma): 1.63218
Column Density (NH): e 1.198516

Note: Please be aware that only the very basic temporal and spectral quantities are reported here. You are strongly encouraged to see the referenced GCN circulars for full details.
a J2000; b arcsec; c seconds; d 10-11 erg/cm2/s (0.3-10 keV); e 1021 cm-2

» XRT GRB Live Catalogue
» XRT Light Curves
» XRT Spectra

UVOT Data:

RA: a n/a
Dec: a n/a
90% Error Radius: b n/a
Time to First Observation: c 76
V Magnitude: V>18.9
Other Filter Magnitudes: B>20.0
U>18.2
UVW1>18.4
UVM2>18.8
UVW2>18.6
White>21.0

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
0.351 (Gemini-North: absorption, tentative host redshift)
Host Galaxy:
Other Observatory Detections:
DCT (4.3m), Palomar (60"), VLA @ 6 GHz, Faulkes North (2m), NOT (2.5m), Gemini-North, Chandra, GMRT @ 1390 MHz

Comments:

Data were delayed due to a TDRSS telemetry gap.

References:

BAT: GCN 16763; GCN 16765; GCN 16768
XRT: GCN 16764; GCN 16767; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 16772
Radio: GCN 16777 (VLA); GCN 16815 (GMRT)
Redshift: GCN 16774 (Gemini-North)
Host:
Other: