GRB 090518
Time: 01:54:44
Trigger Number: 352420
Burst Advocate: Phil Evans
BAT Data:
| RA: a | 119.957 07:59:49.7 |
| Dec: a | 0.778 00:46:40.8 |
| 90% Error Radius: b | 1.2 |
| T90: c | 6.9 |
| Fluence: d | 4.7 (0.4) |
| 1s Peak Photon Flux: e | 2.4 (0.2) |
| Photon Index: f | 1.54, PL (0.14) |
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 | 07:59:49.10 |
| Dec: a | 00:45:33.6 |
| 90% Error Radius: b | 1.4 |
| Time to First Observation: c | 73.50 |
| Early Flux: d | n/a |
| 11 Hour Flux: d | 0.03522904 |
| 24 Hour Flux: d | 0.015521366 |
| Initial Temporal Index: | -3.661 |
| Spectral Index (Gamma): | 2.58544 |
| Column Density (NH): e | 7.03298 |
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 | 77 |
| V Magnitude: | V>19.3 |
| Other Filter Magnitudes: | B>19.7 U>20.0 UVW1>19.7 UVM2>21.2 UVW2>20.0 White>21.3 |
a J2000; b arcsec; c seconds
Other Burst Info:
Redshift:Host Galaxy:
Other Observatory Detections:
Comments:
UVOT: no detection
References:
BAT: GCN 9386; GCN 9393
XRT: GCN 9386; GCN 9387; GCN 9388; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 9386; GCN 9397
Radio:
Redshift:
Host:
Other: