GRB 090423
Time: 07:55:19
Trigger Number: 350184
Burst Advocate: Hans Krimm
BAT Data:
| RA: a | 148.891 09:55:33.8 |
| Dec: a | 18.165 18:09:54.0 |
| 90% Error Radius: b | 1.1 |
| T90: c | 10.3 |
| Fluence: d | 5.9 (0.4) |
| 1s Peak Photon Flux: e | 1.7 (0.2) |
| Photon Index: f | 0.80, CPL (0.50) |
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 | 09:55:33.26 |
| Dec: a | 18:08:57.9 |
| 90% Error Radius: b | 1.4 |
| Time to First Observation: c | 72.48 |
| Early Flux: d | n/a |
| 11 Hour Flux: d | 0.04166331 |
| 24 Hour Flux: d | 0.013979004 |
| Initial Temporal Index: | -1.36 |
| Spectral Index (Gamma): | 1.8158 |
| Column Density (NH): e | 56.4459 |
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 | 77 |
| V Magnitude: | V>19.6 |
| Other Filter Magnitudes: | B>20.2 U>20.4 UVW1>20.1 UVM2>20.1 UVW2>20.5 White>21.3 |
a J2000; b arcsec; c seconds
Other Burst Info:
Redshift:8.0 (MPI/ESO: photometric)Host Galaxy:
~8.1 (TNG)
Other Observatory Detections:
UKIRT, Gemini-North, MPI/ESO (2.2m), TNG (3.6m), Okayama Astrophysical Observatory (188cm), Fermi (GBM), Plateau de Bure Interferometer, Spitzer
Comments:
UVOT: no detection
References:
BAT: GCN 9198; GCN 9204; GCN 9241
XRT: GCN 9198; GCN 9205; GCN 9212; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 9198; GCN 9210
Radio: GCB 9273 (Plateau de Bure)
Redshift: GCN 9215; GCN 9261 (MPI); GCN 9216 (TNG); GCN 9222 (TNG)
Host:
Other: GCN Report 211.1
GCN Report 211.2