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

GRB 120728A

Redshift:
Host Galaxy:
Other Observatory Detections:
MPG/ESO (2.2m)

Time: 22:25:11
Trigger Number: 529021
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)
137.085
09:08:20.4
-54.437
-54:26:13.2
1.4 22.06 24 (2) 2.4 (0.5) 1.79, PL (0.13)

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)
09:08:22.70 -54:26:14.9 1.6 147.84 n/a 0.03189387 0.018979446 -0.6653 2.64225 5.18000000004446

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 148 V>20.6 B>22.3
U>21.0
UVW1>20.8
UVM2>21.0
UVW2>21.3

a arcsec; b seconds

Comments:

UVOT: no detection

References:

BAT: GCN 13525; GCN 13535
XRT: GCN 13525; GCN 13528; GCN 13529; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 13525; GCN 13533
Radio:
Redshift:
Host:
Other:

BAT Light Curve:

BAT Light Curve for GRBblc/120728A.png