GRB 090621A
Time: 04:22:43
Trigger Number: 355303
Burst Advocate: Peter Curran
BAT Data:
| RA: a | 10.987 00:43:56.9 |
| Dec: a | 61.938 61:56:16.8 |
| 90% Error Radius: b | 1.7 |
| T90: c | n/a |
| Fluence: d | n/a (n/a) |
| 1s Peak Photon Flux: e | n/a (n/a) |
| Photon Index: f | n/a (n/a) |
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 | 00:44:05.13 |
| Dec: a | 61:56:27.9 |
| 90% Error Radius: b | 1.4 |
| Time to First Observation: c | n/a |
| Early Flux: d | n/a |
| 11 Hour Flux: d | 0.10903382 |
| 24 Hour Flux: d | 0.040725754 |
| Initial Temporal Index: | -0.7032 |
| Spectral Index (Gamma): | 2.00967 |
| Column Density (NH): e | 14.25565 |
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 | 123 |
| V Magnitude: | V>19.4 |
| Other Filter Magnitudes: | B>20.5 U>20.5 UVW1>19.8 UVM2>19.7 UVW2>19.9 White>21.5 |
a J2000; b arcsec; c seconds
Other Burst Info:
Redshift:Host Galaxy:
Other Observatory Detections:
Fermi (GBM)
Comments:
BAT: T90 is not possible because of a lack of the complete set of event by event data set for this burst. This also prevents giving spectral results.
UVOT: no detection
References:
BAT: GCN 9540; GCN 9546
XRT: GCN 9540; GCN 9543; GCN 9567; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 9540; GCN 9544
Radio:
Redshift:
Host:
Other: GCN Report 223.1