## spectrum_num t_start_since_trig t_stop_since_trig t_start_met t_stop_met
1 -0.547999978065 10.1485800743 671089592.604 671089603.301
2 10.1485800743 15.1485800743 671089603.301 671089608.301
3 15.1485800743 18.256000042 671089608.301 671089611.408