GRB 150720A

Time: 14:02:09
Trigger Number: 649706
Burst Advocate: Eda Sonbas

BAT Data:

RA: a	119.577 07:58:18.5
Dec: a	-28.281 -28:16:51.6
90% Error Radius: b	1.5
T90: c	151
Fluence: d	5.6 (1.0)
1s Peak Photon Flux: e	0.3 (0.1)
Photon Index: f	2.61, PL (0.33)

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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	07:58:19.55
Dec: a	-28:15:45.0
90% Error Radius: b	1.7
Time to First Observation: c	134.60
Early Flux: d	2930
11 Hour Flux: d	n/a
24 Hour Flux: d	0.029
Initial Temporal Index:	-8
Spectral Index (Gamma):	3.16
Column Density (NH): e	8.8

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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	142
V Magnitude:	V>19.3
Other Filter Magnitudes:	B>19.6 U>20.2 UVW1>19.3 UVM2>19.8 UVW2>19.6 White>21.2

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^a J2000; ^b arcsec; ^c seconds

Comments:

XRT: Given the light curve and spectrum behaviour, we believe that this is a real GRB and not a galactic transient.
UVOT: no detection

References:

BAT: GCN 18037; GCN 18038
XRT: GCN 18037; GCN 18039; GCN 18040; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 18037; GCN 18045
Radio:
Redshift:
Host:
Other: