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GRB 180311A

Time: 18:03:49
Trigger Number: 813721
Burst Advocate: Kim Page

BAT Data:

RA: a 3.379
00:13:31.0
Dec: a -54.491
-54:29:27.6
90% Error Radius: b 2.3
T90: c 23.0
Fluence: d 3.3 (0.7)
1s Peak Photon Flux: e 0.6 (0.2)
Photon Index: f 1.78, PL (0.29)

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 00:13:33.05
Dec: a -54:29:29.2
90% Error Radius: b 1.5
Time to First Observation: c 275.27
Early Flux: d n/a
11 Hour Flux: d 0.052301987
24 Hour Flux: d 0.032658107
Initial Temporal Index: -3.117
Spectral Index (Gamma): 2.06687
Column Density (NH): e 0.55238

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 280
V Magnitude: V>19.4
Other Filter Magnitudes: B>20.9
U>20.5
UVW1>20.2
UVM2>20.3
UVW2>20.5
White>21.2

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
Host Galaxy:
Other Observatory Detections:

Comments:

UVOT: no detection

References:

BAT: GCN 22468; GCN 22474
XRT: GCN 22468; GCN 22469; GCN 22470; GCN 22473; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 22468; GCN 22475
Radio:
Redshift:
Host:
Other: