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GRB 170318B

Time: 15:27:52
Trigger Number: 743086
Burst Advocate: Aaron Cholden-Brown

BAT Data:

RA: a 284.229
18:56:55.0
Dec: a 6.335
06:20:06.0
90% Error Radius: b 3.7
T90: c 160.0
Fluence: d 5.5 (1.9)
1s Peak Photon Flux: e 0.1 (0.1)
Photon Index: f 1.84, PL (0.59)

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 18:57:13.46
Dec: a 06:17:57.0
90% Error Radius: b 1.8
Time to First Observation: c 73.72
Early Flux: d 53.9
11 Hour Flux: d 0.00000358387856
24 Hour Flux: d 0.000000357433452
Initial Temporal Index: 0.4702
Spectral Index (Gamma): 2.33337
Column Density (NH): e 61.7402

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 84
V Magnitude: V>19.4
Other Filter Magnitudes: B>20.0
U>20.2
UVW1>19.9
UVM2>19.3
UVW2>19.6
White>21.0

a J2000; b arcsec; c seconds

Other Burst Info:

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

Comments:

UVOT: no detection

References:

BAT: GCN 20908; GCN 20923
XRT: GCN 20908; GCN 20909; GCN 20910; GCN 20918; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 20908; GCN 20919
Radio:
Redshift:
Host:
Other: