GRB 080520
Time: 22:20:24
Trigger Number: 312047
Burst Advocate: Dirk Grupe
BAT Data:
RA: a | 280.179 18:40:43.0 |
Dec: a | -54.964 -54:57:50.4 |
90% Error Radius: b | 2.4 |
T90: c | 2.8 |
Fluence: d | 0.55 (0.17) |
1s Peak Photon Flux: e | 0.5 (0.1) |
Photon Index: f | 2.90, PL (0.51) |
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 | 18:40:46.35 |
Dec: a | -54:59:30.5 |
90% Error Radius: b | 1.6 |
Time to First Observation: c | 99.53 |
Early Flux: d | n/a |
11 Hour Flux: d | 0.00866392 |
24 Hour Flux: d | 0.004042805 |
Initial Temporal Index: | -0.977 |
Spectral Index (Gamma): | 2.16955 |
Column Density (NH): e | 15.0079 |
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 | 18:40:46.30 |
Dec: a | -54:59:31.0 |
90% Error Radius: b | 0.5 |
Time to First Observation: c | 105 |
V Magnitude: | V=19.96 |
Other Filter Magnitudes: | B>20.92 U>20.60 UVW1>20.33 UVM2>20.38 UVW2>20.25 White=19.59 |
a J2000; b arcsec; c seconds
Other Burst Info:
Redshift:1.545 (VLT: emission)Host Galaxy:
VLT detectionOther Observatory Detections:
MPI/ESO (2.2m), VLT
Comments:
BAT: The burst can be classified as an X-ray flash
References:
BAT: GCN 7753; GCN 7761
XRT: GCN 7753; GCN 7754; GCN 7755; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 7753; GCN 7758
Radio:
Redshift: GCN 7757 (VLT)
Host: GCN 7771 (VLT)
Other: GCN Report 137.1