GRB 140311A
Time: 21:05:16
Trigger Number: 591390
Burst Advocate: Judy Racusin
BAT Data:
| RA: a | 209.293 13:57:10.3 |
| Dec: a | 0.607 00:36:25.2 |
| 90% Error Radius: b | 3.8 |
| T90: c | 71.4 |
| Fluence: d | 23 (3) |
| 1s Peak Photon Flux: e | 1.3 (0.5) |
| Photon Index: f | 1.67, PL (0.23) |
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 | 13:57:13.25 |
| Dec: a | 00:38:30.8 |
| 90% Error Radius: b | 1.5 |
| Time to First Observation: c | 9500 |
| Early Flux: d | n/a |
| 11 Hour Flux: d | 0.1014624 |
| 24 Hour Flux: d | 0.036819588 |
| Initial Temporal Index: | -1.299 |
| Spectral Index (Gamma): | 1.62664 |
| Column Density (NH): e | 0.0000000000139543 |
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 | 9540 |
| V Magnitude: | V>19.0 |
| Other Filter Magnitudes: | B>21.3 UVW1>19.8 UVW2>21.2 White>22.0 |
a J2000; b arcsec; c seconds
Other Burst Info:
Redshift:4.95 (Gemini-South: absorption)Host Galaxy:
~ 5 (NOT: absorption)
4.954 (Gemini-North)
Other Observatory Detections:
Nanshan (1m), Zadko (100cm), NOT, Kottamia (188cm), Gemini-South, Gemini-North, HJT (1.5m), VLA @ 21.8 GHz
Comments:
Due to an observing constraint, Swift did not slew until T0+50.6 minutes
UVOT: no detection
References:
BAT: GCN 15944; GCN 15962
XRT: GCN 15959; GCN 15968; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 15973
Radio: GCN 15985 (VLA)
Redshift: GCN 15961 (Gemini-South); GCN 15964 (NOT); GCN 15966 (Gemini-North)
Host:
Other: