GRB 090423
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
Time: 07:55:19
Trigger Number: 350184
Burst Advocate: Hans Krimm
Burst Alert Telescope (BAT):
| RA (J2000) |
Dec (J2000) |
90% Error a Radius |
T90 b | Fluence c (15-150 keV) |
1-sec Peak d Photon Flux (15-150 keV) |
Photon Index e (15-150 keV) |
|---|---|---|---|---|---|---|
| 148.891 09:55:33.8 |
18.165 18:09:54.0 |
1.1 | 10.3 | 5.9 (0.4) | 1.7 (0.2) | 0.80, CPL (0.50) |
90% error in parentheses,
a arcmin; b seconds; c 10-7 erg/cm2; d ph/cm2/sec; e PL = simple power-law, CPL = cutoff power-law
X-Ray Telescope (XRT):
| RA (J2000) |
Dec (J2000) |
90% Error a Radius |
Time to First b Observation |
Early Flux c (0.3-10 keV) |
11 Hour Flux c (0.3-10 keV) |
24 Hour Flux c (0.3-10 keV) |
Initial d LC Index |
Spectral Index (Gamma) |
Column e Density (NH) |
|---|---|---|---|---|---|---|---|---|---|
| 09:55:33.26 | 18:08:57.9 | 1.4 | 72.48 | n/a | 0.04166331 | 0.013979004 | -1.36 | 1.8158 | 56.4459 |
a arcsec; b seconds; c 10-11 erg/cm2/s; d temporal; e 1021 cm-2
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.
UltraViolet/Optical Telescope (UVOT):
| RA (J2000) |
Dec (J2000) |
90% Error a Radius |
Time to First b Observation |
Magnitude | Other Filter Magnitudes |
|---|---|---|---|---|---|
| n/a | n/a | n/a | 77 | V>19.6 | B>20.2 U>20.4 UVW1>20.1 UVM2>20.1 UVW2>20.5 White>21.3 |
a arcsec; b seconds
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
BAT Light Curve:
