GRB 210905A

Time: 00:12:41
Trigger Number: 1071993
Burst Advocate: Eda Sonbas

BAT Data:

RA: a 309.062
Dec: a -44.431
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 20:36:11.64
Dec: a -44:26:24.1
90% Error Radius: b 2.0
Time to First Observation: c 91.70
Early Flux: d 123
11 Hour Flux: d 0.330031513
24 Hour Flux: d 0.172808202
Initial Temporal Index: 0.563
Spectral Index (Gamma): 1.89791
Column Density (NH): e 28.7875

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 157
V Magnitude: V>19.3
Other Filter Magnitudes: B>21.4

a J2000; b arcsec; c seconds

Other Burst Info:

6.318 (VLT: absorption)
Host Galaxy:
Other Observatory Detections:
LCO (1m), VLT, REM (60cm), DECam, Fermi (GBM), Konus-Wind, MPG (2.2m), AstroSat CZTI, ALMA @ 97.5 GHz, ATCA @ 5.5 and 9.0 GHz


UVOT: no detection


BAT: GCN 30765
XRT: GCN 30765; GCN 30768; GCN 30776; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 30765; GCN 30785
Radio: GCN 30783 (ALMA); GCN 30784 (ATCA)
Redshift: GCN 30771 (VLT)