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GRB 140311B

Time: 21:14:29
Trigger Number: 591392
Burst Advocate: Judy Racusin

BAT Data:

RA: a 252.333
16:49:19.9
Dec: a 52.733
52:43:58.8
90% Error Radius: b 1.2
T90: c 70
Fluence: d n/a (n/a)
1s Peak Photon Flux: e n/a (n/a)
Photon Index: f 1.12, PL (0.15)

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 140311B

XRT Data:

RA: a 16:49:18.01
Dec: a 52:43:27.3
90% Error Radius: b 1.5
Time to First Observation: c 3394.67
Early Flux: d n/a
11 Hour Flux: d 0.014411459
24 Hour Flux: d 0.0039367257
Initial Temporal Index: -1.663
Spectral Index (Gamma): 1.68422
Column Density (NH): e 1.642175

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 3398
V Magnitude: V>20.0
Other Filter Magnitudes: B>20.4
U>20.2
UVW1>20.3
UVM2>20.2
UVW2>20.1
White>21.4

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
Host Galaxy:
Other Observatory Detections:
Nanshan (1m), MASTER-II, Fermi (GBM)

Comments:

Due to an observing constraint, Swift did not slew until T0+55 minutes.
UVOT: no detection

References:

BAT: GCN 15945; GCN 15979
XRT: GCN 15950; GCN 15951; GCN 15958; GCN 15963; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 15972
Radio:
Redshift:
Host:
Other: