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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)

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 150720A

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

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

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
Host Galaxy:
Other Observatory Detections:

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: