ID             1  MGC object ID/serial number
    ALPHA_J2000    2  Object right ascension (J2000)                  [deg]
    DELTA_J2000    3  Object declination (J2000)                      [deg]
    B_MGC          4  B_MGC corrected for extinction                  [mag]
    Z              5  Redshift
    M_B            6  Absolute magnitude                              [mag]
    RT_RA          7  RT+RA
    CAS_A          8  CAS A