## spectrum_num t_start_since_trig t_stop_since_trig t_start_met t_stop_met
1 173.715999991 178.715999991 246846477.716 246846482.716
2 178.715999991 179.900600016 246846482.716 246846483.901
3 179.900600016 202.319999993 246846483.901 246846506.32