====================================================================== BAT GRB EVENT DATA PROCESSING REPORT Process Script Ver: batgrbproduct v2.46 Process Start Time (local time): Sun Mar 17 22:32:51 EDT 2019 Host Name: bat1 Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger887512 ====================================================================== Trigger: 00887512 Segment: 000 BAT Trigger Time: 570901470.784 [s; MET] Trigger Stop: 570901474.88 [s; MET] UTC: 2019-02-03T15:44:08.426720 [includes UTCF correction] Where From?: TDRSS position message BAT RA: 22.5767302168316 Dec: 55.7384085258687 [deg; J2000] Catalogged Source?: NO Point Source?: YES GRB Indicated?: YES [ by BAT flight software ] Image S/N Ratio: 7.89 Image Trigger?: NO Rate S/N Ratio: 40 [ if not an image trigger ] Image S/N Ratio: 7.89 Analysis Position: [ source = BAT ] RA: 22.5767302168316 Dec: 55.7384085258687 [deg; J2000] Refined Position: [ source = BAT pre-slew burst ] RA: 22.6030183946477 Dec: 55.7365818867749 [deg; J2000] { 01h 30m 24.7s , +55d 44' 11.7" } +/- 0.930678953476845 [arcmin] (estimated 90% radius based on SNR) +/- 0.335172611697705 [arcmin] (formal 1-sigma fit error) SNR: 33.7046608674537 Angular difference between Flight and Ground position is 0.894729 arcmin Partial Coding Fraction: 0.2167969 [ including projection effects ] Duration T90: 86.5600000619888 +/- 64.5798710100376 Measured from: -48.6000000238419 to: 37.960000038147 [s; relative to TRIGTIME] T50: 33.8559999465942 +/- 2.72380910725493 Measured from: -23.2879999876022 to: 10.567999958992 [s; relative to TRIGTIME] Fluence Peak Flux (peak 1 second) Measured from: -4.08399999141693 to: -3.08399999141693 [s; relative to TRIGTIME] Total Fluence Measured from: -56.472000002861 to: 229.959999918938 [s; relative to TRIGTIME] Band 1 Band 2 Band 3 Band 4 15-25 25-50 50-100 100-350 keV Total 3.896826 6.600239 7.191544 3.360588 0.202493 0.219953 0.204673 0.173606 [error] Peak 0.056728 0.193250 0.220398 0.113286 0.019105 0.023313 0.023973 0.018696 [error] [ fluence units of on-axis counts / fully illuminated detector ] ======================================================================