====================================================================== BAT GRB EVENT DATA PROCESSING REPORT Process Script Ver: batgrbproduct v2.46 Process Start Time (local time): Thu May 31 13:25:50 EDT 2018 Host Name: bat1 Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger831810 ====================================================================== Trigger: 00831810 Segment: 000 BAT Trigger Time: 547673095.232 [s; MET] Trigger Stop: 547673096.256 [s; MET] UTC: 2018-05-10T19:24:34.309920 [includes UTCF correction] Where From?: TDRSS position message BAT RA: 276.318496902141 Dec: -31.9109448076993 [deg; J2000] Catalogged Source?: NO Point Source?: YES GRB Indicated?: YES [ by BAT flight software ] Image S/N Ratio: 11.84 Image Trigger?: NO Rate S/N Ratio: 22.9128784747792 [ if not an image trigger ] Image S/N Ratio: 11.84 Analysis Position: [ source = BAT ] RA: 276.318496902141 Dec: -31.9109448076993 [deg; J2000] Refined Position: [ source = BAT pre-slew burst ] RA: 276.338636377679 Dec: -31.917968500946 [deg; J2000] { 18h 25m 21.3s , -31d 55' 04.7" } +/- 0.859859238158921 [arcmin] (estimated 90% radius based on SNR) +/- 0.302521840957937 [arcmin] (formal 1-sigma fit error) SNR: 37.739277165375 Angular difference between Flight and Ground position is 1.108908 arcmin Partial Coding Fraction: 0.3789062 [ including projection effects ] Duration T90: 64 +/- 16 Measured from: -15.2319999933243 to: 48.7680000066757 [s; relative to TRIGTIME] T50: 16 +/- 16 Measured from: 0.76800000667572 to: 16.7680000066757 [s; relative to TRIGTIME] Fluence Peak Flux (peak 1 second) Measured from: 8.26800000667572 to: 9.26800000667572 [s; relative to TRIGTIME] Total Fluence Measured from: -15.2319999933243 to: 64.7680000066757 [s; relative to TRIGTIME] Band 1 Band 2 Band 3 Band 4 15-25 25-50 50-100 100-350 keV Total 2.307364 3.447369 2.979017 0.746756 0.097345 0.098385 0.084255 0.062077 [error] Peak 0.086244 0.154273 0.124640 0.054110 0.014326 0.015080 0.013579 0.009418 [error] [ fluence units of on-axis counts / fully illuminated detector ] ======================================================================