GRB 090418A
Time: 11:07:40
Trigger Number: 349510
Burst Advocate: Vanessa Mangano
BAT Data:
| RA: a | 269.320 17:57:16.8 |
| Dec: a | 33.407 33:24:25.2 |
| 90% Error Radius: b | 1.4 |
| T90: c | 56 |
| Fluence: d | 46 (2) |
| 1s Peak Photon Flux: e | 1.9 (0.3) |
| Photon Index: f | 1.48, PL (0.07) |
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 | 17:57:15.17 |
| Dec: a | 33:24:21.3 |
| 90% Error Radius: b | 1.4 |
| Time to First Observation: c | 96.10 |
| Early Flux: d | 105 |
| 11 Hour Flux: d | 0.11250812 |
| 24 Hour Flux: d | 0.032624602 |
| Initial Temporal Index: | -5.06 |
| Spectral Index (Gamma): | 2.03408 |
| Column Density (NH): e | 10.5599 |
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 | 17:57:15.17 |
| Dec: a | 33:24:21.1 |
| 90% Error Radius: b | 0.5 |
| Time to First Observation: c | 84 |
| V Magnitude: | V=17.31 |
| Other Filter Magnitudes: | U=17.31 B=18.22 UVW1=20.82 UVM2>21.8 UVW2>21.8 |
a J2000; b arcsec; c seconds
Other Burst Info:
Redshift:1.608 (Lick: absorption)Host Galaxy:
Other Observatory Detections:
KAIT, ROTSE-IIIb, Lick (3m), PAIRITEL (1.3m), VLA @ 8.46 GHz, Shajn (CrAO), RTT150, Konus-Wind, Sonoita Research Observatory (35cm), Shajn
Comments:
References:
BAT: GCN 9149; GCN 9157; GCN 9196
XRT: GCN 9149; GCN 9154; GCN 9163; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 9149; GCN 9175
Radio: GCN 9166 (VLA)
Redshift: GCN 9151 (Lick)
Host:
Other: GCN Report 217.1