## spectrum_num t_start_since_trig t_stop_since_trig t_start_met t_stop_met
1 38.4720000029 43.4720000029 391452133.0 391452138.0
2 43.4720000029 48.4720000029 391452138.0 391452143.0
3 48.4720000029 53.4720000029 391452143.0 391452148.0
4 53.4720000029 53.9725899696 391452148.0 391452148.501
5 53.9725899696 54.4720000029 391452148.501 391452149.0