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GRB 170912A

Time: 01:34:16
Trigger Number: 772006
Burst Advocate: Aaron Tohuvavohu

BAT Data:

RA: a 167.386
11:09:32.6
Dec: a -54.343
-54:20:34.8
90% Error Radius: b 2.1
T90: c 21.9
Fluence: d 11 (1)
1s Peak Photon Flux: e 2.0 (0.4)
Photon Index: f 2.04, PL (0.21)

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)

XRT Data:

RA: a 11:09:29.62
Dec: a -54:19:35.0
90% Error Radius: b 1.9
Time to First Observation: c 118.71
Early Flux: d n/a
11 Hour Flux: d 0.0000000000224105624
24 Hour Flux: d 0.0000000000005375145
Initial Temporal Index: -4.782
Spectral Index (Gamma): 1.85301
Column Density (NH): e 3.136232988

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 122
V Magnitude: V>18.8
Other Filter Magnitudes: B>19.6
U>19.2
UVW1>18.7
UVM2>20.0
UVW2>19.7
White>21.6

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
Host Galaxy:
Other Observatory Detections:

Comments:

UVOT: no detection

References:

BAT: GCN 21861; GCN 21877
XRT: GCN 21861; GCN 21862; GCN 21863; GCN 21876; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 21861; GCN 21874
Radio:
Redshift:
Host:
Other: