GRB 140304A

Time: 13:22:31
Trigger Number: 590206
Burst Advocate: Phil Evans

BAT Data:

RA: a	30.653 02:02:36.7
Dec: a	33.480 33:28:48.0
90% Error Radius: b	1.0
T90: c	15.6
Fluence: d	12 (1)
1s Peak Photon Flux: e	1.7 (0.2)
Photon Index: f	1.29, PL (0.08)

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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:

XRT Data:

RA: a	02:02:34.26
Dec: a	33:28:25.7
90% Error Radius: b	1.6
Time to First Observation: c	75.18
Early Flux: d	62.8
11 Hour Flux: d	0.03578112
24 Hour Flux: d	0.020826288
Initial Temporal Index:	-0.2235
Spectral Index (Gamma):	2.01927
Column Density (NH): e	30.237

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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	138
V Magnitude:	V>19.5
Other Filter Magnitudes:	U>20.9 UVW1>19.7 UVM2>20.1 UVW2>20.0

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^a J2000; ^b arcsec; ^c seconds

Comments:

This GRB will enter a Moon observing constraint around 20:00 UT and will not be observable again by Swift until March 6 (Thursday) around 05:30 UT.
UVOT: no detection

References:

BAT: GCN 15915; GCN 15927
XRT: GCN 15915; GCN 15925; GCN 15926; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 15915; GCN 15920
Radio: GCN 15930 (VLA); GCN 15931 (CARMA)
Redshift: GCN 15922 (GTC); GCN 15924 (NOT); GCN 15936 (GTC)
Host:
Other: