WALLABY pilot survey: an ‘almost’ dark cloud near the Hydra cluster
WALLABY pilot survey: an ‘almost’ dark cloud near the Hydra cluster
ABSTRACT We explore the properties of an ‘almost’ dark cloud of neutral hydrogen (H i) using data from the Widefield ASKAP L-band Legacy All-sky Survey (WALLABY). Until recently, WALLABY J103508 − 283427 (also known as H1032 − 2819 or LEDA 2793457) was not known to have an optical counterpart, but …