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GRB 241209A

Time: 05:35:44
Trigger Number: 1273071
Burst Advocate: Tyler Parsotan

BAT Data:

RA: a 155.376
10:21:30.2
Dec: a 6.316
06:18:57.6
90% Error Radius: b 3
T90: c n/a
Fluence: d n/a (n/a)
1s Peak Photon Flux: e n/a (n/a)
Photon Index: f n/a (n/a)

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 10:21:35.11
Dec: a 06:19:43.0
90% Error Radius: b 2
Time to First Observation: c 106.57
Early Flux: d n/a
11 Hour Flux: d 0.000000000000002559508
24 Hour Flux: d 0.000000000000000004984344
Initial Temporal Index: -1.163
Spectral Index (Gamma): 1.550043122
Column Density (NH): e 1.1571636567

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 109
V Magnitude: n/a
Other Filter Magnitudes: n/a

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
1.490 (VLT: emission from possible host)
0.784 (OSIRIS+/GTC: emission from likely host)
Host Galaxy:
Other Observatory Detections:
Fermi (GBM), VLT, COLIBRÍ, OSIRIS+/GTC, Chandra

Comments:

References:

BAT: GCN 38476
XRT: GCN 38476; GCN 38479; GCN 38486; GCN 38523; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 38476
Radio:
Redshift: GCN 38487 (VLT); GCN 38535 (OSIRIS+/GTC)
Host:
Other: