GRB 090727
Time: 22:42:18
Trigger Number: 358520
Burst Advocate: Phil Evans
BAT Data:
RA: a | 315.917 21:03:40.1 |
Dec: a | 64.937 64:56:13.2 |
90% Error Radius: b | 2.2 |
T90: c | 302 |
Fluence: d | 14 (2) |
1s Peak Photon Flux: e | 0.5 (0.1) |
Photon Index: f | 1.24, PL (0.24) |
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 | 21:03:50.59 |
Dec: a | 64:55:29.4 |
90% Error Radius: b | 1.6 |
Time to First Observation: c | 87.95 |
Early Flux: d | n/a |
11 Hour Flux: d | 0.04323321 |
24 Hour Flux: d | 0.024083832 |
Initial Temporal Index: | -0.7499 |
Spectral Index (Gamma): | 1.59799 |
Column Density (NH): e | 2.631042 |
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 | 91 |
V Magnitude: | V>21.1 |
Other Filter Magnitudes: | B>21.3 U>21.8 UVW1>22.1 UVM2>22.3 UVW2>21.7 White>21.5 |
a J2000; b arcsec; c seconds
Other Burst Info:
Redshift:Host Galaxy:
Other Observatory Detections:
Liverpool (2m), Calar Alto (1.23m), SAO RAS (6m)
Comments:
UVOT: no detection
References:
BAT: GCN 9718; GCN 9724
XRT: GCN 9718; GCN 9721; GCN 9723; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 9718; GCN 9731
Radio:
Redshift:
Host:
Other: GCN Report 243.1