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GRB 180404B

Time: 02:11:44
Trigger Number: 821902
Burst Advocate: Sam Laporte

BAT Data:

RA: a 53.390
03:33:33.6
Dec: a -50.213
-50:12:46.8
90% Error Radius: b 1.0
T90: c 111.5
Fluence: d 120 (2)
1s Peak Photon Flux: e 5.2 (0.2)
Photon Index: f 1.35, PL (0.04)

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 03:33:34.31
Dec: a -50:12:55.6
90% Error Radius: b 1.4
Time to First Observation: c 69.89
Early Flux: d 1240
11 Hour Flux: d 0.07681012
24 Hour Flux: d 0.039716625
Initial Temporal Index: 1.418
Spectral Index (Gamma): 2.06438
Column Density (NH): e 3.970778

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 03:33:34.23
Dec: a -50:12:54.2
90% Error Radius: b 0.46
Time to First Observation: c 82
V Magnitude: V>19.5
Other Filter Magnitudes: B>20.3
U=19..70
UVW1>20.6
UVM2>20.5
UVW2>20.2
White=19.29

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
Host Galaxy:
Other Observatory Detections:
MASTER-OAFA, Fermi (GBM), Konus-Wind, AstroSat CZTI

Comments:

References:

BAT: GCN 22590; GCN 22601
XRT: GCN 22590; GCN 22594; GCN 22598; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 22590; GCN 22611
Radio:
Redshift:
Host:
Other: