GRB 120404A

Time: 12:51:02
Trigger Number: 519380
Burst Advocate: Giulia Stratta

BAT Data:

RA: a	235.002 15:40:00.5
Dec: a	12.883 12:52:58.8
90% Error Radius: b	1.2
T90: c	38.7
Fluence: d	16 (1)
1s Peak Photon Flux: e	1.2 (0.2)
Photon Index: f	1.85, PL (0.13)

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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	15:40:02.34
Dec: a	12:53:05.9
90% Error Radius: b	1.4
Time to First Observation: c	130.02
Early Flux: d	73.4
11 Hour Flux: d	0.021299642
24 Hour Flux: d	0.0052762
Initial Temporal Index:	-2.17
Spectral Index (Gamma):	1.89579
Column Density (NH): e	5.12667

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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	15:40:02.29
Dec: a	12:53:06.3
90% Error Radius: b	0.65
Time to First Observation: c	138
V Magnitude:	V=17.69
Other Filter Magnitudes:	B=19.22 U=19.90 UVW1>20.3 UVM2>21.5 UVW2>22.1 White=19.43

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^a J2000; ^b arcsec; ^c seconds

Comments:

References:

BAT: GCN 13208; GCN 13220
XRT: GCN 13208; GCN 13218; GCN 13222; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 13208; GCN 13226
Radio: GCN 13231 (EVLA)
Redshift: GCN 13213 (Gemini-North); GCN 13217 (Gemini-North); GCN 13227 (VLT/UT2)
Host:
Other: GCN Report 372.1