GRB 250520A
Time: 02:42:16.84
Trigger Number: 1315630
Burst Advocate: Rob Eyles-Ferris
BAT Data:
RA: a | 282.265 18:49:03.6 |
Dec: a | -11.852 -11:51:07.2 |
90% Error Radius: b | 1.6 |
T90: c | 0.46 |
Fluence: d | 1.8 (0.2) |
1s Peak Photon Flux: e | 1.9 (0.2) |
Photon Index: f | 0.55, PL (0.23) |
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)
XRT Data:
RA: a | 18:49:08.58 |
Dec: a | -11:52:08.9 |
90% Error Radius: b | 2.3 |
Time to First Observation: c | 144.05 |
Early Flux: d | n/a |
11 Hour Flux: d | 0.0000407132176 |
24 Hour Flux: d | 0.00000676172 |
Initial Temporal Index: | -2.301 |
Spectral Index (Gamma): | 2.187214646 |
Column Density (NH): e | 13.71488488 |
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 | 127 |
V Magnitude: | V>18.9 |
Other Filter Magnitudes: | B>19.7 U>19.3 UVW1>19.1 UVM2>18.6 UVW2>19.2 White>20.9 |
a J2000; b arcsec; c seconds
Other Burst Info:
Redshift:Host Galaxy:
Other Observatory Detections:
SVOM/GRM, AstroSat CZTI, Konus-Wind, VLA @ 10 GHz, CALET (GBM), GRBAlpha, MeerKAT @ 3 GHz, Gemini-South
Comments:
UVOT: no detection
References:
BAT: GCN 40491; GCN 40565
XRT: GCN 40491; GCN 40492; GCN 40494; GCN 40503; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 40491; GCN 40509
Radio: GCN 40518 (VLA); GCN 40545 (VLA); GCN 40546 (MeerKAT)
Redshift:
Host:
Other: