Menu

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:

BAT Light Curve for GRB 170202A

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)
3.65 (Xinglong: absorption)
3.645 (VLT: absorption and emission)
Host Galaxy:
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: