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GRB 180204A

Time: 02:36:16
Trigger Number: 808483
Burst Advocate: Kim Page

BAT Data:

RA: a 330.123
22:00:29.5
Dec: a 30.852
30:51:07.2
90% Error Radius: b 1.1
T90: c 1.16
Fluence: d 4.8 (0.3)
1s Peak Photon Flux: e 3.6 (0.3)
Photon Index: f 1.09, PL (0.10)

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 22:00:31.98
Dec: a 30:50:16.2
90% Error Radius: b 1.4
Time to First Observation: c 87.17
Early Flux: d n/a
11 Hour Flux: d 0.0354924372
24 Hour Flux: d 0.0148867884
Initial Temporal Index: -1.114
Spectral Index (Gamma): 1.99449
Column Density (NH): e 7.63842

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 92
V Magnitude: V>19.0
Other Filter Magnitudes: B>20.7
U>21.1
UVW1>21.0
UVM2>20.8
UVW2>20.1White>20.8

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
Host Galaxy:
Other Observatory Detections:
Fermi (GBM), Konus-Wind

Comments:

UVOT: no detection

References:

BAT: GCN 22375; GCN 22380
XRT: GCN 22375; GCN 22376; GCN 22377; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 22375; GCN 22379
Radio:
Redshift:
Host:
Other: