GRB 170127B

Time: 15:13:28
Trigger Number: 735331
Burst Advocate: John Cannizzo

BAT Data:

RA: a 19.997
Dec: a -30.340
90% Error Radius: b 1.9
T90: c 0.51
Fluence: d 1.0 (0.2)
1s Peak Photon Flux: e 1.1 (0.2)
Photon Index: f 0.89, PL (0.25)

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 170127B

XRT Data:

RA: a 01:19:54.50
Dec: a -30:21:29.1
90% Error Radius: b 2.0
Time to First Observation: c 74.68
Early Flux: d n/a
11 Hour Flux: d 0.000060961815
24 Hour Flux: d 0.000014974794
Initial Temporal Index: -1.799
Spectral Index (Gamma): 1.56726
Column Density (NH): e 0.20120500154733

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 114
V Magnitude: V>19.4
Other Filter Magnitudes: U>19.9

a J2000; b arcsec; c seconds

Other Burst Info:

Host Galaxy:
Other Observatory Detections:
Fermi (GBM)


UVOT: no detection


BAT: GCN 20540; GCN 20566
XRT: GCN 20540; GCN 20550; GCN 20560; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 20540; GCN 20554