GRB 091127
Time: 23:25:45
Trigger Number: 377179
Burst Advocate: Eleonara Troja
BAT Data:
| RA: a | 36.581 02:26:19.4 |
| Dec: a | -18.948 -18:56:52.8 |
| 90% Error Radius: b | 1.2 |
| T90: c | 7.1 |
| Fluence: d | 90 (3) |
| 1s Peak Photon Flux: e | 46.5 (2.7) |
| Photon Index: f | 2.05, PL (0.07) |
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 | 02:26:19.91 |
| Dec: a | -18:57:08.1 |
| 90% Error Radius: b | 1.4 |
| Time to First Observation: c | 3214.62 |
| Early Flux: d | n/a |
| 11 Hour Flux: d | 2.047116 |
| 24 Hour Flux: d | 0.610428 |
| Initial Temporal Index: | -1.082 |
| Spectral Index (Gamma): | 1.80187 |
| Column Density (NH): e | 0.756361 |
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 | 02:26:19.89 |
| Dec: a | -18:57:08.63 |
| 90% Error Radius: b | 0.55 |
| Time to First Observation: c | 3219 |
| V Magnitude: | V=17.0 |
| Other Filter Magnitudes: | UVW1=15.9 UVM2=15.6 White=16.2 |
a J2000; b arcsec; c seconds
Other Burst Info:
Redshift:0.490 (Gemini-North: emission)Host Galaxy:
0.49034 (VLT: emission)
Other Observatory Detections:
Liverpool (2m), REM (60cm), ESO/MPI (2.2m), NOT, CAHA (1.23m), TAROT (25cm), Gemini-North, MASTER II, Fermi (GBM), Mt.Terskol (Z-600), Konus-Wind, PROMPT (16"), Suzaku, VLT, Zadko (1.0m), CTIO (1.3m), Gunma Astronomical Observatory (150cm)
Comments:
Due to an observing constraint, Swift will not slew until T0+50 minutes.
References:
BAT: GCN 10191; GCN 10197
XRT: GCN 10201; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 10193; GCN 10199; GCN 10245
Radio:
Redshift: GCN 10202 (Gemini-North); GCN 10233 (VLT)
Host:
Other: