GRB 180818A
Time: 03:12:04
Trigger Number: 853824
Burst Advocate: Frank Marshall
BAT Data:
| RA: a | 169.698 11:18:47.5 |
| Dec: a | -48.344 -48:20:38.4 |
| 90% Error Radius: b | 2.3 |
| T90: c | 13.7 |
| Fluence: d | 2.6 (0.6) |
| 1s Peak Photon Flux: e | 0.6 (0.2) |
| Photon Index: f | 2.15, PL (0.36) |
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 | 11:18:32.76 |
| Dec: a | -48:20:40.3 |
| 90% Error Radius: b | 1.5 |
| Time to First Observation: c | 74.04 |
| Early Flux: d | 128 |
| 11 Hour Flux: d | 0.0175986503 |
| 24 Hour Flux: d | 0.0102538255 |
| Initial Temporal Index: | -6.026 |
| Spectral Index (Gamma): | 2.86387 |
| Column Density (NH): e | 8.91237 |
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 | 83 |
| V Magnitude: | V>19.8 |
| Other Filter Magnitudes: | B>2.8 U>20.9 UVW1>20.1 UVM2>20.5 UVW2>20.7 White>21.9 |
a J2000; b arcsec; c seconds
Other Burst Info:
Redshift:Host Galaxy:
Other Observatory Detections:
Comments:
UVOT: no detection
References:
BAT: GCN 23146; GCN 23154
XRT: GCN 23146; GCN 23147; GCN 23148; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 23146; GCN 23150
Radio:
Redshift:
Host:
Other: