In 1829 WALLABY hydrogen detections, 315 are low surface brightness galaxies and 55 have no optical counterpart; after reliability vetting, 25 isolated dark sources remain as dark galaxy candidates.
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WALLABY pilot survey: properties of HI-selected dark sources and low surface brightness galaxies
In 1829 WALLABY hydrogen detections, 315 are low surface brightness galaxies and 55 have no optical counterpart; after reliability vetting, 25 isolated dark sources remain as dark galaxy candidates.