GRB 180904A
Time: 21:28:32
Trigger Number: 859282
Burst Advocate: Antonino D'Aì
BAT Data:
| RA: a | 274.260 18:17:02.4 |
| Dec: a | 46.640 46:38:24.0 |
| 90% Error Radius: b | 2.4 |
| T90: c | 5.40 |
| Fluence: d | 2.4 (0.4) |
| 1s Peak Photon Flux: e | 0.5 (0.2) |
| Photon Index: f | 1.02, PL (0.30) |
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 | 18:16:59.96 |
| Dec: a | 46:37:47.3 |
| 90% Error Radius: b | 1.5 |
| Time to First Observation: c | 122.95 |
| Early Flux: d | 44.7 |
| 11 Hour Flux: d | 0.006489468 |
| 24 Hour Flux: d | 0.002546712 |
| Initial Temporal Index: | -0.8632 |
| Spectral Index (Gamma): | 2.19125 |
| Column Density (NH): e | 4.289564 |
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 | 131 |
| V Magnitude: | V>20.1 |
| Other Filter Magnitudes: | B>19.4 U>20.1 UVW1>18.1 UVW2>18.6 White>21.1 |
a J2000; b arcsec; c seconds
Other Burst Info:
Redshift:Host Galaxy:
Other Observatory Detections:
Comments:
UVOT: no detection
References:
BAT: GCN 23194; GCN 23203
XRT: GCN 23194; GCN 23196; GCN 23200; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 23194; GCN 23205
Radio:
Redshift:
Host:
Other: