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GRB 171020A

Measurement Value Units
Swift Trigger Time Oct. 20, 2017, 6:07 p.m. UT Modify
Swift Trigger Number 780845 None Modify
BAT RA (J2000) 39.26 deg Modify
BAT Dec (J2000) 15.199 deg Modify
BAT 90% Error Radius 1.8 arcmin Modify
BAT T90 41.9 sec Modify
BAT Fluence (15-150 keV) 12.0 10^-7 erg/cm^2 Modify
BAT Photon Index (15-150 keV) (PL = simple power-law) 1.04 None Modify
XRT Time to First Observation 144.45 sec Modify
UVOT Time to First Observation 147.0 sec Modify
UVOT Magnitude V>19.4 None Modify
UVOT Other Filter Magnitudes B>20.8|U>20.2|UVW1>20.7|UVM2>20.3|UVW2>20.3|White>21.4 None Modify
Swift Burst Advocate Kim Page None Modify
XRT RA (J2000) 39.248375 deg Modify
XRT Dec (J2000) 15.2041388889 deg Modify
XRT 90% Error Radius 1.4 arcsec Modify
XRT Initial Temporal Index -2.315 None Modify
XRT Spectral Index (Gamma) 1.69134 None Modify
XRT Column Density (NH) 1.71087 10^21 cm^-2 Modify
BAT 1-sec Peak Photon Flux (15-150 keV) 0.7 ph/cm^2/sec Modify
XRT 11 Hour Flux (0.3-10 keV) 0.04986495 10^-11 erg/cm^2/s Modify
XRT 24 Hour Flux (0.3-10 keV) 0.025179252 10^-11 erg/cm^2/s Modify
Other Observatory Detections NOT, SAO RAS (1.0m), Liverpool (2m), HJT (1.5m), TAROT (25cm) None Modify
Redshift 1.87 None Modify

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