GRB 180809B
Time: 20:28:48
Trigger Number: 852553
Burst Advocate: Mike Moss
BAT Data:
| RA: a | 299.712 19:58:50.9 |
| Dec: a | -15.293 -15:17:34.8 |
| 90% Error Radius: b | 1.0 |
| T90: c | 233.2 |
| Fluence: d | 730 (10) |
| 1s Peak Photon Flux: e | 26.3 (0.6) |
| Photon Index: f | 1.26, PL (0.02) |
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)
XRT Data:
| RA: a | 19:58:47.99 |
| Dec: a | -15:17:56.1 |
| 90% Error Radius: b | 1.4 |
| Time to First Observation: c | n/a |
| Early Flux: d | 1510 |
| 11 Hour Flux: d | 2.04984151 |
| 24 Hour Flux: d | 0.70420044 |
| Initial Temporal Index: | -0.2621 |
| Spectral Index (Gamma): | 1.62781 |
| Column Density (NH): e | 2.4073 |
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 | 19:58:47.96 |
| Dec: a | -15:17:57.1 |
| 90% Error Radius: b | 0.48 |
| Time to First Observation: c | 82 |
| V Magnitude: | V>19.8 |
| Other Filter Magnitudes: | B>20.9 U>21.0 UVW1>20.7 UVM2>20.9 UVW2>21.3 White=18.99 |
a J2000; b arcsec; c seconds
Other Burst Info:
Redshift:Host Galaxy:
Other Observatory Detections:
MASTER-SAAO, MPG (2.2m), LCO Sutherland (1m), MASTER-Tavrida, MASTER-IAC, CALET (CGBM), CrAO (2.6m), Konus-Wind, La Silla (NTT), AstroSat (CZTI)
Comments:
References:
BAT: GCN 23105
XRT: GCN 23105; GCN 23123; GCN 23125: Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 23105; GCN 23120
Radio:
Redshift:
Host:
Other: