GRB 090424
Time: 14:12:09
Trigger Number: 350311
Burst Advocate: John Cannizzo
BAT Data:
RA: a | 189.531 12:38:07.4 |
Dec: a | 16.829 16:49:44.4 |
90% Error Radius: b | 1.0 |
T90: c | 48 |
Fluence: d | 210 (0.0) |
1s Peak Photon Flux: e | 71.0 (2.0) |
Photon Index: f | 1.19, CPL (0.15) |
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 | 12:38:05.12 |
Dec: a | 16:50:15.6 |
90% Error Radius: b | 1.4 |
Time to First Observation: c | 84.46 |
Early Flux: d | 654 |
11 Hour Flux: d | 0.8685105 |
24 Hour Flux: d | 0.36182094 |
Initial Temporal Index: | -1.287 |
Spectral Index (Gamma): | 1.96315 |
Column Density (NH): e | 4.26707 |
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 | 12:38:05.11 |
Dec: a | 16:50:15.1 |
90% Error Radius: b | 0.74 |
Time to First Observation: c | 91 |
V Magnitude: | V=16.86 |
Other Filter Magnitudes: | B=17.27 U=16.40 UVW1=16.81 UVM2=17.39 UVW2=17.51 White=15.27 |
a J2000; b arcsec; c seconds
Other Burst Info:
Redshift:0.544 (Gemini-South: absorption)Host Galaxy:
0.544 (WHT)
Other Observatory Detections:
ROTSE-IIIa, TNT, Fermi (GBM), Calar Alto (1.23m), Liverpool (2m), AAVSO (0.4m), TAOS (50cm), Gemini-South, ESO/MPI (2.2m), Taurus Hill Observatory (0.35m), Lulin (1m), WHT, Mt. Lemmon (1.0m), VLA @ 8.46 GHz, Suzaku, Sampurnanand (1.04m), Gao-Mei-Gu (2.4m), CTIO (1.3m), ICSP VLF, AZT-11
Comments:
References:
BAT: GCN 9223; GCN 9231
XRT: GCN 9223; GCN 9232; GCN 9237; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 9223; GCN 9234
Radio: GCN 9260 (VLA)
Redshift: GCN 9243 (Gemini-South); GCN 9250 (WHT)
Host:
Other: GCN Report 221.1