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GRB 170306A

Measurement Value Units
Swift Trigger Time March 6, 2017, 1:06 a.m. UT Modify
Swift Trigger Number 741220 None Modify
BAT RA (J2000) 263.087 deg Modify
BAT Dec (J2000) -44.765 deg Modify
BAT 90% Error Radius 2.4 arcmin Modify
BAT T90 17.8 sec Modify
BAT Fluence (15-150 keV) 8.3 10^-7 erg/cm^2 Modify
BAT Photon Index (15-150 keV) (PL = simple power-law) 1.98 None Modify
XRT Time to First Observation 133.5 sec Modify
UVOT Time to First Observation 140.0 sec Modify
UVOT Magnitude V>18.1 None Modify
UVOT Other Filter Magnitudes B>18.6|U>19.0|UVW1>18.1|UVM2>19.0|UVW2>18.1|White>20.4 None Modify
Swift Comments UVOT: no detection None Modify
Swift Burst Advocate Craig Markwardt None Modify
XRT RA (J2000) 263.069 deg Modify
XRT Dec (J2000) -44.7481944444 deg Modify
XRT 90% Error Radius 3.6 arcsec Modify
XRT Initial Temporal Index -3.249 None Modify
XRT Spectral Index (Gamma) 2.04851 None Modify
XRT Column Density (NH) 3.979079 10^21 cm^-2 Modify
BAT 1-sec Peak Photon Flux (15-150 keV) 1.3 ph/cm^2/sec Modify
XRT 11 Hour Flux (0.3-10 keV) 0.05700266 10^-11 erg/cm^2/s Modify
XRT 24 Hour Flux (0.3-10 keV) 0.0430559 10^-11 erg/cm^2/s Modify
Other Observatory Detections MPG (2.2m) None Modify

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