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GRB 160821A

Time: 20:34:30
Trigger Number: 709351
Burst Advocate: Mike Siegel

BAT Data:

RA: a 171.254
11:25:01.0
Dec: a 42.345
42:20:42.0
90% Error Radius: b 1.0
T90: c n/a
Fluence: d 72 (2)
1s Peak Photon Flux: e 2.8 (0.6)
Photon Index: f 1.52, PL (0.06)

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:

BAT Light Curve for GRB 160821A

XRT Data:

RA: a n/a
Dec: a n/a
90% Error Radius: b n/a
Time to First Observation: c n/a
Early Flux: d n/a
11 Hour Flux: d n/a
24 Hour Flux: d n/a
Initial Temporal Index: n/a
Spectral Index (Gamma): n/a
Column Density (NH): e n/a

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 n/a
V Magnitude: n/a
Other Filter Magnitudes: n/a

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
Host Galaxy:
Other Observatory Detections:
Fermi (LAT & GBM), TAROT (25cm), Konus-Wind, CALET, Astronaut CZTI, Maisoncelles (30cm)

Comments:

Due to a Sun observing constraint, Swift cannot slew to the BAT position until 10:53 UT on 2016 September 29.

References:

BAT: GCN 19830; GCN 19840
XRT:
UVOT:
Radio:
Redshift:
Host:
Other: