GRB 081121
Time: 20:35:32
Trigger Number: 335105
Burst Advocate: Sam Oates
BAT Data:
RA: a | 89.282 05:57:07.7 |
Dec: a | -60.612 -60:36:43.2 |
90% Error Radius: b | 1.4 |
T90: c | 14 |
Fluence: d | 41 (3) |
1s Peak Photon Flux: e | 4.4 (1.0) |
Photon Index: f | 0.43, CPL (0.54) |
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 | 05:57:06.09 |
Dec: a | -60:36:10.0 |
90% Error Radius: b | 1.4 |
Time to First Observation: c | 2813.20 |
Early Flux: d | n/a |
11 Hour Flux: d | 0.4234206 |
24 Hour Flux: d | 0.13658254 |
Initial Temporal Index: | -1.45 |
Spectral Index (Gamma): | 1.89531 |
Column Density (NH): e | 1.04036 |
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 | 05:57:06.15 |
Dec: a | -60:36:10.0 |
90% Error Radius: b | 0.6 |
Time to First Observation: c | 2816 |
V Magnitude: | V=17.58 |
Other Filter Magnitudes: | B=18.26 U=17.62 UVW1=20.60 UVM2>20.09 UVW2>20.78 White=17.93 |
a J2000; b arcsec; c seconds
Other Burst Info:
Redshift:2.512 (Magellan/Clay: aborption)Host Galaxy:
Other Observatory Detections:
ROTSE-IIIc, ESO/MPI (2.2m), Magellan/Clay (6.5m), Fermi, CTIO (1.3m), Konus-Wind
Comments:
Due to an observing constraint, Swift will not slew until T0+45.2 minutes.
References:
BAT: GCN 8537; GCN 8539
XRT: GCN 8541; GCN 8543; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 8538; GCN 8544
Radio:
Redshift: GCN 8542 (Magellan/Clay)
Host:
Other: GCN Report 182.1