GRB 230818A
Time: 23:27:34
Trigger Number: 1186032
Burst Advocate: Aaron Tohuvavhou
BAT Data:
| RA: a | 285.888 19:03:33.1 |
| Dec: a | 40.888 40:53:16.8 |
| 90% Error Radius: b | 1.1 |
| T90: c | 9.82 |
| Fluence: d | 19 (1) |
| 1s Peak Photon Flux: e | 6.7 (0.5) |
| Photon Index: f | 1.36, PL (0.10) |
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 | 19:03:33.15 |
| Dec: a | 40:53:48.3 |
| 90% Error Radius: b | 2 |
| Time to First Observation: c | 141.12 |
| Early Flux: d | n/a |
| 11 Hour Flux: d | 0.045319716 |
| 24 Hour Flux: d | 0.0223464852 |
| Initial Temporal Index: | -2.215 |
| Spectral Index (Gamma): | 2.00403 |
| Column Density (NH): e | 2.05956 |
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 | 19:03:33.13 |
| Dec: a | 40:53:49.0 |
| 90% Error Radius: b | 0.48 |
| Time to First Observation: c | 144 |
| V Magnitude: | V=18.40 |
| Other Filter Magnitudes: | B=19.68 U>19.5 UVW1>20.2 UVW2>20.1 White=19.09 |
a J2000; b arcsec; c seconds
Other Burst Info:
Redshift:2.42 (NOT: absorption)Host Galaxy:
2.42 (SAO RAS: absorption)
Other Observatory Detections:
MASTER-Tavrida, Fermi (GBM), GOTO, SAO RAS Zeiss-1000, NOT, KGO RC-25, Bassano Bresciano Observatory (250mm), Tautenburg (1.34m), AstroSat CZTI, SAO RAS (6m), Nickel (1m), KAIT (0.76m), Konus-Wind, GRID-03B
Comments:
References:
BAT: GCN 34479; GCN 34515
XRT: GCN 34479; GCN 34484; GCN 34489; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 34479; GCN 34486
Radio:
Redshift: GCN 34485 (NOT)
Host:
Other: