The HIPASS catalogue โ III. Optical counterparts and isolated dark galaxies
The HIPASS catalogue โ III. Optical counterparts and isolated dark galaxies
We present the largest catalogue to date of optical counterparts for HI radio-selected galaxies, Hopcat. Of the 4315 HI radio-detected sources from the HI Parkes All Sky Survey (Hipass) catalogue, we find optical counterparts for 3618 (84%) galaxies. Of these, 1798 (42%) have confirmed optical velocities and 848 (20%) are โฆ