GRB 100418A
Time: 21:10:08
Trigger Number: 419797
Burst Advocate: Frank Marshall
BAT Data:
| RA: a | 256.358 17:05:25.9 |
| Dec: a | 11.457 11:27:25.2 |
| 90% Error Radius: b | 1.9 |
| T90: c | 7.0 |
| Fluence: d | 3.4 (0.5) |
| 1s Peak Photon Flux: e | 1.0 (0.2) |
| Photon Index: f | 2.16, PL (0.25) |
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 | 17:05:27.22 |
| Dec: a | 11:27:40.0 |
| 90% Error Radius: b | 1.8 |
| Time to First Observation: c | 79.13 |
| Early Flux: d | 127 |
| 11 Hour Flux: d | 0.0739878 |
| 24 Hour Flux: d | 0.0580596 |
| Initial Temporal Index: | -4.131 |
| Spectral Index (Gamma): | 2.26662 |
| Column Density (NH): e | 0.00000416329 |
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 | 17:05:26.96 |
| Dec: a | 11:27:41.9 |
| 90% Error Radius: b | 0.67 |
| Time to First Observation: c | 87 |
| V Magnitude: | V>19.90 |
| Other Filter Magnitudes: | B=20.61 U=20.47 UVW1=20.47 UVM2=20.09 UVW2=20.73 White=20.58 |
a J2000; b arcsec; c seconds
Other Burst Info:
Redshift:0.6235 (VLT: absorption)Host Galaxy:
0.624 (Gemini North: absorption)
g,r,and i bands (SDSS)Other Observatory Detections:
ESO/MP (2.2m), SARA (0.9m), VLT, Gemini North, ROVOR (16"), PAIRITEL (1.3m), SMA @ 345 GHz, AZT-11, RTT150, REM (60cm), WSRT @ 4.8 GHz, EVLA, Z-600, Russian-Turkish (1.5m), Keck I (10m), Shajn
Comments:
UVOT: possible evidence for a supernova
References:
BAT: GCN 10612; GCN 10615
XRT: GCN 10612; GCN 10614; GCN 10622; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 10612; GCN 10625; GCN 10645; GCN 10661; GCN 10720
Radio: GCN 10630 (SMA); GCN 10647 (WSRT); GCN 10650 (EVLA)
Redshift: GCN 10620 (VLT); GCN 10624 (Gemini North)
Host: GCN 10621 (SDSS)
Other: