GRB 110928A

Time: 01:51:31
Trigger Number: 504215
Burst Advocate: Erik Hoversten

BAT Data:

RA: a	257.745 17:10:58.8
Dec: a	36.547 36:32:49.2
90% Error Radius: b	2.3
T90: c	26.7
Fluence: d	6.9 (1.1)
1s Peak Photon Flux: e	0.9 (0.3)
Photon Index: f	1.09, PL (0.30)

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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)

BAT Light Curve:

XRT Data:

RA: a	17:10:55.84
Dec: a	36:32:08.6
90% Error Radius: b	1.8
Time to First Observation: c	n/a
Early Flux: d	n/a
11 Hour Flux: d	0.04901732
24 Hour Flux: d	0.031893224
Initial Temporal Index:	-0.5509
Spectral Index (Gamma):	2.08557
Column Density (NH): e	5.2162

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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	3341
V Magnitude:	V>19.1
Other Filter Magnitudes:	B>21.0 U>20.8 UVW1>20.3 UVM2>19.9 UVW2>21.6 White>21.0

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^a J2000; ^b arcsec; ^c seconds

Comments:

Due to an observing constraint, Swift will not slew until T0+52 minutes.
UVOT: no detection

References:

BAT: GCN 12394; GCN 12399
XRT: GCN 12398; GCN 12402; GCN 12404; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 12397; GCN 12406
Radio:
Redshift:
Host:
Other: GCN Report 347.1