Description of the 2QZ fields Field Description Name IAU format object name, eg 2QZ J010946.1-274524 RA (J2000) Right ascension J2000 (hh mm ss.ss) Dec (J2000) Declination J2000 (+/-dd mm ss.s) RA RA J2000 (radians) Dec Dec J2000 (radians) bj bj magnitude u-bj u-bj colour bj-r bj-r colour [including r upper limits as: (bj-rlim)-10.0] z1 Redshift q1 Identification quality X 10 + redshift quality S/N1 Signal-to-noise ratio in 4000-5000A band Ref : The 2df QSO Redshift Survey - V. The 10k Catalogue Croom, Smith, Boyle, Shanks.