GRB 121017A

Time: 19:23:28
Trigger Number: 536172
Burst Advocate: Dirk Grupe

BAT Data:

RA: a 288.820
Dec: a -1.602
90% Error Radius: b 1.5
T90: c 4.2
Fluence: d 6.6 (0.7)
1s Peak Photon Flux: e 3.3 (0.4)
Photon Index: f 1.74, PL (0.17)

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 121017A

XRT Data:

RA: a 19:15:19.22
Dec: a -01:36:16.3
90% Error Radius: b 1.4
Time to First Observation: c 95.25
Early Flux: d n/a
11 Hour Flux: d 0.08171415
24 Hour Flux: d 0.038633175
Initial Temporal Index: -0.9602
Spectral Index (Gamma): 2.14409
Column Density (NH): e 6.10587

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 1141
V Magnitude: V>18.5
Other Filter Magnitudes: B>19.1

a J2000; b arcsec; c seconds

Other Burst Info:

Host Galaxy:
Other Observatory Detections:


XRT and UVOT detections were delayed due to entry into the SAA shortly after the initial trigger.
UVOT: no detection


BAT: GCN 13875; GCN 13880
XRT: GCN 13875; GCN 13879; GCN 13882; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 13875; GCN 13883
Other: GCN Report 398.1