## spectrum_num t_start_since_trig t_stop_since_trig t_start_met t_stop_met
1 17.5520000458 22.5520000458 301734795.984 301734800.984
2 22.5520000458 27.5520000458 301734800.984 301734805.984
3 27.5520000458 31.780000031 301734805.984 301734810.212