GRB 250617B
Time: 21:01:50.11
Trigger Number: 1325580
Burst Advocate: Kim Page
BAT Data:
| RA: a | 332.883 22:11:31.9 |
| Dec: a | 32.721 32:43:15.6 |
| 90% Error Radius: b | 1.9 |
| T90: c | 36.5 |
| Fluence: d | 23 (3) |
| 1s Peak Photon Flux: e | 2.9 (0.8) |
| Photon Index: f | 2.13, PL (0.22) |
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 | 22:11:35.20 |
| Dec: a | 32:43:56.9 |
| 90% Error Radius: b | 2 |
| Time to First Observation: c | 793.36 |
| Early Flux: d | n/a |
| 11 Hour Flux: d | 0.150220842 |
| 24 Hour Flux: d | 0.071944936 |
| Initial Temporal Index: | -0.9437 |
| Spectral Index (Gamma): | 2.108906345 |
| Column Density (NH): e | 5.417352342 |
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 | 22:11:35.25 |
| Dec: a | 32:43:57.1 |
| 90% Error Radius: b | 0.44 |
| Time to First Observation: c | 797 |
| V Magnitude: | V=18.72 |
| Other Filter Magnitudes: | B=18.91 U=18.10 UVW1=19.32 UVM2>18.3 UVW2>19.2 White=18.18 |
a J2000; b arcsec; c seconds
Other Burst Info:
Redshift:1.396 (VLT: absorption & emission from host)Host Galaxy:
Other Observatory Detections:
Ondrejov D50, SAO RAS (1m), Fermi (GBM), NUTTelA-TAO, SVOM/VT, NOT, COLIBRÍ, VLT, Kilonova-Catcher, AZT-20, Nickel (1m), Calapai Observatory (11in), AZT-33IK
Comments:
References:
BAT: GCN 40760; GCN 40812
XRT: GCN 40760; GCN 40767; GCN 40773; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 40760; GCN 40778
Radio:
Redshift: GCN 40776 (VLT)
Host:
Other: