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GRB 170318B

Measurement Value Units
Swift Trigger Time March 18, 2017, 10:27 a.m. UT Modify
Swift Trigger Number 743086 None Modify
BAT RA (J2000) 284.229 deg Modify
BAT Dec (J2000) 6.335 deg Modify
BAT 90% Error Radius 3.7 arcmin Modify
BAT T90 160.0 sec Modify
BAT Fluence (15-150 keV) 5.5 10^-7 erg/cm^2 Modify
BAT Photon Index (15-150 keV) (PL = simple power-law) 1.84 None Modify
XRT Time to First Observation 73.72 sec Modify
UVOT Time to First Observation 84.0 sec Modify
UVOT Magnitude V>19.4 None Modify
UVOT Other Filter Magnitudes B>20.0|U>20.2|UVW1>19.9|UVM2>19.3|UVW2>19.6|White>21.0 None Modify
Swift Comments UVOT: no detection None Modify
Swift Burst Advocate Aaron Cholden-Brown None Modify
XRT RA (J2000) 284.306083333 deg Modify
XRT Dec (J2000) 6.29916666667 deg Modify
XRT 90% Error Radius 1.8 arcsec Modify
XRT Initial Temporal Index 0.4702 None Modify
XRT Spectral Index (Gamma) 2.33337 None Modify
XRT Column Density (NH) 61.7402 10^21 cm^-2 Modify
BAT 1-sec Peak Photon Flux (15-150 keV) 0.1 ph/cm^2/sec Modify
XRT 11 Hour Flux (0.3-10 keV) 3.58387856e-06 10^-11 erg/cm^2/s Modify
XRT 24 Hour Flux (0.3-10 keV) 3.57433452e-07 10^-11 erg/cm^2/s Modify
Other Observatory Detections Fermi (GBM) None Modify
XRT Early Flux (0.3-10 keV) 53.9 10^-11 erg/cm^2/s Modify

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