GRB 090904A
Time: 01:01:06
Trigger Number: 361830
Burst Advocate: Matteo Perri
BAT Data:
| RA: a | 100.855 06:43:25.2 |
| Dec: a | 50.235 50:14:06.0 |
| 90% Error Radius: b | 3.0 |
| T90: c | 122 |
| Fluence: d | 30 (2) |
| 1s Peak Photon Flux: e | 1.9 (0.2) |
| Photon Index: f | 2.01, PL (0.10) |
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 | 06:43:32.30 |
| Dec: a | 50:12:10.4 |
| 90% Error Radius: b | 1.6 |
| Time to First Observation: c | 272.63 |
| Early Flux: d | 171 |
| 11 Hour Flux: d | 0.04793154 |
| 24 Hour Flux: d | 0.017356207 |
| Initial Temporal Index: | -2.293 |
| Spectral Index (Gamma): | 1.56773 |
| Column Density (NH): e | 1.007558 |
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 |
| Time to First Observation: c | 141 |
| V Magnitude: | V>18.72 |
| Other Filter Magnitudes: | B>19.59 U>20.43 UVW1>19.11 UVM2>17.61 UVW2>19.17 White>21.57 |
a J2000; b arcsec; c seconds
Other Burst Info:
Redshift:Host Galaxy:
Other Observatory Detections:
NOT
Comments:
UVOT: no detection
References:
BAT: GCN 9879; GCN 9888
XRT: GCN 9879; GCN 9885; GCN 9886; GCN 9891; GCN 9894; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 9879; GCN 9899
Radio:
Redshift:
Host:
Other: GCN Report 245.1