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GRB 250924A

Time: 08:18:29
Trigger Number: 1351790
Burst Advocate: Mike Siegel

BAT Data:

RA: a 51.908
03:27:37.9
Dec: a 74.665
74:39:54.0
90% Error Radius: b 1.7
T90: c 26.53
Fluence: d 25 (3)
1s Peak Photon Flux: e 2.1 (0.7)
Photon Index: f 1.47, PL (0.17)

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 03:27:29.37
Dec: a 74:39:30.5
90% Error Radius: b 2
Time to First Observation: c 183.59
Early Flux: d 103
11 Hour Flux: d 0.0356308821
24 Hour Flux: d 0.0064899318
Initial Temporal Index: -2.743
Spectral Index (Gamma): 2.062825052
Column Density (NH): e 2.77087856005559

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 03:27:29.66
Dec: a 74:39:34.0
90% Error Radius: b 0.43
Time to First Observation: c 193
V Magnitude: V>18.4
Other Filter Magnitudes: B=18.75
U=18.03
UVW1>19.0
UVM2>17.6
UVW2>19.6
White=17.80

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
Host Galaxy:
Other Observatory Detections:
DDOTI, COLIBRÍ, Kilonova-Catcher, KAIT (0.76m), Mondy, Palomar (1m), SVOM (VT, GRM), AstroSat CZTI, NOT, SAO RAS (1m & 6m)

Comments:

References:

BAT: GCN 41959; GCN 41987
XRT: GCN 41959; GCN 41973; GCN 41974; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 41959; GCN 41975
Radio:
Redshift:
Host:
Other: