Menu

GRB 150727A

Time: 19:02:02
Trigger Number: 650530
Burst Advocate: Brad Cenko

BAT Data:

RA: a 203.968
13:35:52.3
Dec: a -18.320
-18:19:12.0
90% Error Radius: b 1.0
T90: c 88
Fluence: d 37 (2)
1s Peak Photon Flux: e 1.0 (0.2)
Photon Index: f 1.14, PL (0.07)

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 150727A

XRT Data:

RA: a 13:35:52.51
Dec: a -18:19:32.5
90% Error Radius: b 1.7
Time to First Observation: c 77.18
Early Flux: d 893
11 Hour Flux: d 0.0264268068
24 Hour Flux: d 0.0152799936
Initial Temporal Index: -1.167
Spectral Index (Gamma): 1.79253
Column Density (NH): e 0.00000000107996

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 13:35:52.52
Dec: a -18:19:31.2
90% Error Radius: b 0.44
Time to First Observation: c 86
V Magnitude: V>18.7
Other Filter Magnitudes: B>18.5
U=18.75
UVM2>19.1
UVW2=19.53
White=18.28

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
0.313 (VLT: emission)
Host Galaxy:
Other Observatory Detections:
VLT, Fermi (GBM), HJT (1.5m), IRSF (1.4m)

Comments:

References:

BAT: GCN 18076; GCN 18086
XRT: GCN 18076; GCN 18079; GCN 18082; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 18076; GCN 18084
Radio: GCN 18080 (VLT)
Redshift:
Host:
Other: