GRB 090102
Time: 02:55:45
Trigger Number: 338895
Burst Advocate: Vanessa Mangano
BAT Data:
| RA: a | 128.248 08:32:59.5 |
| Dec: a | 33.107 33:06:25.2 |
| 90% Error Radius: b | 1.4 |
| T90: c | 27.0 |
| Fluence: d | 0.68 (0.03) |
| 1s Peak Photon Flux: e | 5.5 (0.8) |
| Photon Index: f | 1.36, PL (0.08) |
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 | 08:32:58.56 |
| Dec: a | 33:06:51.0 |
| 90% Error Radius: b | 1.4 |
| Time to First Observation: c | 387.21 |
| Early Flux: d | 60.9 |
| 11 Hour Flux: d | 0.18249756 |
| 24 Hour Flux: d | 0.05766978 |
| Initial Temporal Index: | -0.5003 |
| Spectral Index (Gamma): | 1.76997 |
| Column Density (NH): e | 5.29373 |
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 | 08:32:58.54 |
| Dec: a | 33:06:51.2 |
| 90% Error Radius: b | 1.10 |
| Time to First Observation: c | 395 |
| V Magnitude: | V=17.02 |
| Other Filter Magnitudes: | B=18.35 U=17.89 UVW1>19.99 UVM2>19.67 UVW2>20.45 White=18.04 |
a J2000; b arcsec; c seconds
Other Burst Info:
Redshift:1.547 (NOT)Host Galaxy:
1.546 (Palomar 200": absorption)
1.55 (Hobby-Eberly: absorption)
R~24.5 (HST)Other Observatory Detections:
TAROT (25cm), REM (60cm), NOT, ESO/MPI (2.2m), IAC80, Palomar (60" and 200"), Hobby-Eberly, Konus-Wind
Comments:
Declared a burst of interest.
References:
BAT: GCN 8762; GCN 8769
XRT: GCN 8762; GCN 8765; GCN 8767; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 8762; GCN 8770
Radio:
Redshift: GCN 8766 (NOT); GCN 8773 (Palomar 200")
Host: GCN 8856 (HST)
Other: GCN Report 192.1