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GRB 171209A

Time: 14:46:16
Trigger Number: 796100
Burst Advocate: Sam LaPorte

BAT Data:

RA: a 139.387
09:17:32.9
Dec: a -30.523
-30:31:22.8
90% Error Radius: b 1.2
T90: c 161.7
Fluence: d 75 (3)
1s Peak Photon Flux: e 1.6 (2)
Photon Index: f 1.58, PL (0.07)

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 09:17:36.65
Dec: a -30:31:12.6
90% Error Radius: b 1.4
Time to First Observation: c n/a
Early Flux: d n/a
11 Hour Flux: d 0.042585444
24 Hour Flux: d 0.0047334892
Initial Temporal Index: -1.408
Spectral Index (Gamma): 2.06813
Column Density (NH): e 2.11048000000216

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 09:17:36.70
Dec: a -30:31:12.0
90% Error Radius: b n/a
Time to First Observation: c 107
V Magnitude: V=17.3
Other Filter Magnitudes: B=18.2
U=16.5
UVW1>19.6
UVM2>20.2
UVW2>20.1
White=17.4

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
Host Galaxy:
Other Observatory Detections:
LCO (1m), Lulin (1m), Konus-Wind

Comments:

References:

BAT: GCN 22213; GCN 22229
XRT: GCN 22218; GCN 22219; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 22213; GCN 22221
Radio:
Redshift:
Host:
Other: