Menu

GRB 151229A

Time: 06:50:27
Trigger Number: 668689
Burst Advocate: Dan Kocevski

BAT Data:

RA: a 329.363
21:57:27.1
Dec: a -20.732
-20:43:55.2
90% Error Radius: b 1.0
T90: c 1.78
Fluence: d 5.9 (0.4)
1s Peak Photon Flux: e 7.2 (0.4)
Photon Index: f 1.84, PL (0.10)

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 151229A

XRT Data:

RA: a 21:57:28.76
Dec: a -20:43:55.4
90% Error Radius: b 1.4
Time to First Observation: c 86.91
Early Flux: d n/a
11 Hour Flux: d 0.155631333
24 Hour Flux: d 0.076804299
Initial Temporal Index: -0.6067
Spectral Index (Gamma): 2.05197
Column Density (NH): e 7.235703

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 90
V Magnitude: V>18.8
Other Filter Magnitudes: B>19.5
U>19.8
UVW1>19.7
UVM2>19.9
UVW2>20.0
White>20.5

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
Host Galaxy:
Other Observatory Detections:
Fermi (GBM)

Comments:

UVOT: no detection

References:

BAT: GCN 18745; GCN 18751; GCN 18760
XRT: GCN 18745; GCN 18750; GCN 18757; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 18745; GCN 18753
Radio:
Redshift:
Host:
Other: