GRB 170202A
Time: 18:28:02
Trigger Number: 736407
Burst Advocate: Judy Racusin
BAT Data:
RA: a | 152.526 10:10:06.2 |
Dec: a | 5.021 05:01:15.6 |
90% Error Radius: b | 1.0 |
T90: c | 46.2 |
Fluence: d | 33 (1) |
1s Peak Photon Flux: e | 4.7 (0.3) |
Photon Index: f | 1.68, PL (0.07) |
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 | 10:10:03.46 |
Dec: a | 05:00:41.0 |
90% Error Radius: b | 1.4 |
Time to First Observation: c | 72.49 |
Early Flux: d | 221 |
11 Hour Flux: d | 0.12777926 |
24 Hour Flux: d | 0.052771292 |
Initial Temporal Index: | -2.943 |
Spectral Index (Gamma): | 1.99768 |
Column Density (NH): e | 5.19173 |
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 | 10:10:03.49 |
Dec: a | 05:00:41.8 |
90% Error Radius: b | 0.44 |
Time to First Observation: c | 84 |
V Magnitude: | V=18.27 |
Other Filter Magnitudes: | B=19.18 U>21.1 UVW1>19.6 UVW2>19.0 White=18.31 |
a J2000; b arcsec; c seconds
Other Burst Info:
Redshift:3.645 (GTC: absorption and emission)Host Galaxy:
3.65 (Xinglong: absorption)
3.645 (VLT: absorption and emission)
Other Observatory Detections:
Xinglong TNT (0.8m), MASTER II, LCO (1m), Zadko (D=100cm), Kanata, NOT, GTC (10.4m), MITSuME (50cm), Xinglong (2.16m), VLT, T100 (1m), LCO FTN (2m), McDonald Observatory (2.1m), HJT (1.5m), VIRT (0.5m), Konus-Wind, CTIO (1.3m)
Comments:
References:
BAT: GCN 20575; GCN 20596
XRT: GCN 20575; GCN 20586; GCN 20592; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 20575; GCN 20587
Radio:
Redshift: GCN 20584 (GTC); GCN 20588 (Xinglong); GCN 20589 (VLT); GCN 20590 (VLT)
Host:
Other: