GRB 140428A
Time: 22:40:50
Trigger Number: 597519
Burst Advocate: Dan Kocevski
BAT Data:
| RA: a | 194.365 12:57:27.6 |
| Dec: a | 28.331 28:19:51.6 |
| 90% Error Radius: b | 2.2 |
| T90: c | 17.42 |
| Fluence: d | 3.4 (0.6) |
| 1s Peak Photon Flux: e | 0.6 (0.2) |
| Photon Index: f | 1.54, PL (0.26) |
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 | 12:57:28.45 |
| Dec: a | 28:23:06.0 |
| 90% Error Radius: b | 1.7 |
| Time to First Observation: c | n/a |
| Early Flux: d | n/a |
| 11 Hour Flux: d | 0.009482607 |
| 24 Hour Flux: d | 0.0044882823 |
| Initial Temporal Index: | -0.9588 |
| Spectral Index (Gamma): | 2.9965 |
| Column Density (NH): e | 1.7323741 |
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 | 104 |
| V Magnitude: | V>20.3 |
| Other Filter Magnitudes: | B>21.4 U>19.5 UVW1>20.5 White>21.2 |
a J2000; b arcsec; c seconds
Other Burst Info:
Redshift:~4.7 (Keck I: estimate)Host Galaxy:
Other Observatory Detections:
Keck I (10m), OSN (1.5m), MPG (2.2m)
Comments:
UVOT: no detection
References:
BAT: GCN 16177; GCN 16186
XRT: GCN 16178; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 16187
Radio:
Redshift: GCN 16181 (Keck I)
Host:
Other: