GRB 170823A

Time: 22:16:48
Trigger Number: 769177
Burst Advocate: Nora Troja

BAT Data:

RA: a	188.713 12:34:51.1
Dec: a	35.549 35:32:56.4
90% Error Radius: b	1.0
T90: c	69.4
Fluence: d	26 (1)
1s Peak Photon Flux: e	3.7 (0.2)
Photon Index: f	2.06, PL (0.09)

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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)

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

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

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^a J2000; ^b arcsec; ^c seconds

Comments:

Due to a Sun observing constraint, Swift cannot slew to the BAT position until 18:03 UT on 2017 October 17.

References:

BAT: GCN 21666; GCN 21678
XRT:
UVOT:
Radio:
Redshift:
Host:
Other: