GRB 090308A
Time: 18:01:23
Trigger Number: 345777
Burst Advocate: Phil Evans
BAT Data:
| RA: a | 183.545 12:14:10.8 |
| Dec: a | -48.754 -48:45:14.4 |
| 90% Error Radius: b | 3.4 |
| T90: c | 48 |
| Fluence: d | 2.6 (0.6) |
| 1s Peak Photon Flux: e | 0.1 (0.0) |
| Photon Index: f | 2.33, PL (0.37) |
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 | 12:14:00.28 |
| Dec: a | -48:49:01.6 |
| 90% Error Radius: b | 1.6 |
| Time to First Observation: c | 130 |
| Early Flux: d | n/a |
| 11 Hour Flux: d | n/a |
| 24 Hour Flux: d | 0.0014 |
| Initial Temporal Index: | 2.63 |
| Spectral Index (Gamma): | 1.93 |
| Column Density (NH): e | 2.86 |
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 | 132 |
| V Magnitude: | V>20.6 |
| Other Filter Magnitudes: | B>20.8 U>20.7 UVW1>20.6 UVM2>20.8 UVW2>21.2 White>22.2 |
a J2000; b arcsec; c seconds
Other Burst Info:
Redshift:Host Galaxy:
Other Observatory Detections:
Comments:
UVOT: no detection
References:
BAT: GCN 8948; GCN 8949
XRT: GCN 8948; GCN 8956
UVOT: GCN 8948; GCN 8962
Radio:
Redshift:
Host:
Other: GCN Report 202.1