## spectrum_num t_start_since_trig t_stop_since_trig t_start_met t_stop_met
1 0.519999980927 50.0205999613 676663341.0 676663390.501
2 50.0205999613 55.0205999613 676663390.501 676663395.501
3 55.0205999613 60.0205999613 676663395.501 676663400.501
4 60.0205999613 61.5199999809 676663400.501 676663402.0