The Swift Gamma-Ray Burst Mission Italian site U.K. site

GRB 120923A

Redshift:
Host Galaxy:
Other Observatory Detections:
Gemini-North

Time: 05:16:06
Trigger Number: 534402
Burst Advocate: Vladimir Yershov

Burst Alert Telescope (BAT):

RA
(J2000)
Dec
(J2000)
90% Error a
Radius
T90 b Fluence c
(15-150 keV)
1-sec Peak d
Photon Flux
(15-150 keV)
Photon Index e
(15-150 keV)
303.781
20:15:07.4
6.255
06:15:18.0
2.1 27.2 3.2 (0.8) 0.6 (0.1) 0.29, CPL (1.66)

90% error in parentheses,
a arcmin; b seconds; c 10-7 erg/cm2; d ph/cm2/sec; e PL = simple power-law, CPL = cutoff power-law

X-Ray Telescope (XRT):

RA
(J2000)
Dec
(J2000)
90% Error a
Radius
Time to First b
Observation
Early Flux c
(0.3-10 keV)
11 Hour Flux c
(0.3-10 keV)
24 Hour Flux c
(0.3-10 keV)
Initial d
LC Index
Spectral
Index
(Gamma)
Column e
Density
(NH)
20:15:10.78 06:13:16.3 1.9 139.80 n/a 0.005174018 0.0023711619 -1 1.735 1.0172505

a arcsec; b seconds; c 10-11 erg/cm2/s; d temporal; e 1021 cm-2

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.

» XRT GRB Live Catalogue
» XRT Light Curves
» XRT Spectra

UltraViolet/Optical Telescope (UVOT):

RA
(J2000)
Dec
(J2000)
90% Error a
Radius
Time to First b
Observation
Magnitude Other Filter
Magnitudes
n/a n/a n/a 143 n/a White>21.3

a arcsec; b seconds

Comments:

UVOT: no detection

References:

BAT: GCN 13796; GCN 13807
XRT: GCN 13796; GCN 13801; GCN 13812; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 13796; GCN 13805
Radio:
Redshift:
Host:
Other:

BAT Light Curve:

BAT Light Curve for GRBblc/120923A.png