GRB 081228
Time: 01:17:40
Trigger Number: 338338
Burst Advocate: Kim Page
BAT Data:
RA: a | 39.477 02:37:54.5 |
Dec: a | 30.833 30:49:58.8 |
90% Error Radius: b | 2.3 |
T90: c | 3.0 |
Fluence: d | 0.89 (0.18) |
1s Peak Photon Flux: e | 0.6 (0.1) |
Photon Index: f | 2.10, PL (0.31) |
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 | 02:37:50.96 |
Dec: a | 30:51:10.1 |
90% Error Radius: b | 2.2 |
Time to First Observation: c | 77.99 |
Early Flux: d | n/a |
11 Hour Flux: d | 0.011170189 |
24 Hour Flux: d | 0.006971984 |
Initial Temporal Index: | -0.6042 |
Spectral Index (Gamma): | 2.00625 |
Column Density (NH): e | 1.476931 |
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 | 82 |
V Magnitude: | V>19.3 |
Other Filter Magnitudes: | B>20.3 U>20.0 UVW1>20.0 UVM2>20.0 UVW2>20.9 White>20.7 |
a J2000; b arcsec; c seconds
Other Burst Info:
Redshift:Host Galaxy:
Other Observatory Detections:
ESO/MPI (2.2m)
Comments:
UVOT: no detection
References:
BAT: GCN 8742; GCN 8749
XRT: GCN 8742; GCN 8744; GCN 8746; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 8742; GCN 8747
Radio:
Redshift:
Host:
Other: GCN Report 188.1