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GRB 170822A

Measurement Value Units
Swift Trigger Time Aug. 22, 2017, 4:11 a.m. UT Modify
Swift Trigger Number 768939 None Modify
BAT RA (J2000) 94.375 deg Modify
BAT Dec (J2000) 55.0 deg Modify
BAT 90% Error Radius 2.1 arcmin Modify
BAT T90 64.0 sec Modify
BAT Fluence (15-150 keV) 64.0 10^-7 erg/cm^2 Modify
BAT Photon Index (15-150 keV) (PL = simple power-law) 1.8 None Modify
XRT Time to First Observation 163.18 sec Modify
UVOT Time to First Observation 171.0 sec Modify
UVOT Magnitude V>1.2 None Modify
UVOT Other Filter Magnitudes B>20.2|U>19.8|UVW1>19.7|UVM2>18.1|UVW2>19.9|White>21.3 None Modify
Swift Comments UVOT: no detection None Modify
Swift Burst Advocate Andrea Melandri None Modify
XRT RA (J2000) 94.386375 deg Modify
XRT Dec (J2000) 55.0041944444 deg Modify
XRT 90% Error Radius 1.4 arcsec Modify
XRT Initial Temporal Index -1.292 None Modify
XRT Spectral Index (Gamma) 1.8366 None Modify
XRT Column Density (NH) 3.54868 10^21 cm^-2 Modify
BAT 1-sec Peak Photon Flux (15-150 keV) 4.2 ph/cm^2/sec Modify
XRT 11 Hour Flux (0.3-10 keV) 0.127892586 10^-11 erg/cm^2/s Modify
XRT 24 Hour Flux (0.3-10 keV) 0.029283846 10^-11 erg/cm^2/s Modify
Other Observatory Detections BOOTES-5/JGT (60cm) None Modify
XRT Early Flux (0.3-10 keV) 228.0 10^-11 erg/cm^2/s Modify

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