bb_file: sw00075259002b_bb_quad_rate.gti
dur_file:: sw00075259002b_bbdur_quad_rate.gti
T100: 275891590.4 275891787.2
T100_start_UTC: TBD
T90: 275891601.6 275891784.0  (dur = 182.399999976)
T50: 275891657.6 275891761.6
1s_peak: 275891787.5 275891788.5