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GRB 161220A

Measurement Value Units
Swift Trigger Time Dec. 20, 2016, 2:33 a.m. UT Modify
Swift Trigger Number 727610 None Modify
BAT RA (J2000) 350.841 deg Modify
BAT Dec (J2000) -47.48 deg Modify
BAT 90% Error Radius 2.0 arcmin Modify
BAT T90 6.0 sec Modify
BAT Fluence (15-150 keV) 1.7 10^-7 erg/cm^2 Modify
BAT Photon Index (15-150 keV) (PL = simple power-law) 2.01 None Modify
XRT Time to First Observation 69.07 sec Modify
UVOT Time to First Observation 78.0 sec Modify
UVOT Other Filter Magnitudes White>21.0 None Modify
Swift Comments UVOT: no detection None Modify
Swift Burst Advocate Valerio D'Elia None Modify
XRT RA (J2000) 350.84775 deg Modify
XRT Dec (J2000) -47.4977222222 deg Modify
XRT 90% Error Radius 3.7 arcsec Modify
XRT Initial Temporal Index -4.02 None Modify
XRT Spectral Index (Gamma) 1.9901 None Modify
XRT Column Density (NH) 0.119000377 10^21 cm^-2 Modify
BAT 1-sec Peak Photon Flux (15-150 keV) 0.5 ph/cm^2/sec Modify
XRT 11 Hour Flux (0.3-10 keV) 0.0107074472 10^-11 erg/cm^2/s Modify
XRT 24 Hour Flux (0.3-10 keV) 0.0056305112 10^-11 erg/cm^2/s Modify
XRT Early Flux (0.3-10 keV) 194.0 10^-11 erg/cm^2/s Modify

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