## spectrum_num t_start_since_trig t_stop_since_trig t_start_met t_stop_met
1 46.4840000272 51.4840000272 331917922.772 331917927.772
2 51.4840000272 54.812590003 331917927.772 331917931.101
3 54.812590003 56.476000011 331917931.101 331917932.764