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GRB 230427A

Time: 10:31:52
Trigger Number: 1165948
Burst Advocate: Nora Troja

BAT Data:

RA: a 153.339
10:13:21.4
Dec: a 48.231
48:13:51.6
90% Error Radius: b 3.3
T90: c 4.00
Fluence: d 0.95 (0.29)
1s Peak Photon Flux: e 0.7 (0.2)
Photon Index: f 2.36, PL (0.47)

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 10:13:15.29
Dec: a 48:12:13.5
90% Error Radius: b 2
Time to First Observation: c 93.95
Early Flux: d n/a
11 Hour Flux: d 0.004960246
24 Hour Flux: d 0.00196829852
Initial Temporal Index: -1.185
Spectral Index (Gamma): 1.93914
Column Density (NH): e 0.3996752

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 10:13:15.05
Dec: a 48:12:14.4
90% Error Radius: b 0.74
Time to First Observation: c 98
V Magnitude: V>19.3
Other Filter Magnitudes: B>19.6
U>20.5
UVW1>20.0
UVM2>19.6
White=20.19

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
Host Galaxy:
Other Observatory Detections:
BOOTES-5/JGT (0.6m), OSIRIS+/GTC (10.4m)

Comments:

References:

BAT: GCN 33687; GCN 33722
XRT: GCN 33687; GCN 33688; GCN 33703; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 33687; GCN 33710
Radio:
Redshift:
Host:
Other: