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

GRB 120817B

Redshift:
Host Galaxy:
Other Observatory Detections:
Fermi (GBM), Konus-Wind

Time: 04:02:29
Trigger Number: 531259
Ground Analysis
Burst Advocate: Jay Cummings

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)
8.310
00:33:14.4
-26.428
-26:25:40.8
2.8 n/a 1.7 (0.4) n/a (n/a) 0.60, PL (0.3)

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)
n/a n/a n/a 67000 n/a n/a n/a n/a n/a n/a

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.

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 n/a n/a n/a

a arcsec; b seconds

Comments:

Originally reported in GCN 13670 (IPN)
XRT: no detection

References:

BAT: GCN 13692
XRT: GCN 13680
UVOT:
Radio:
Redshift:
Host:
Other: