Tolong jelaskan mengenai Cathetan suku dari Vela dalam bahasa jawa

Ian Ridpath and Wil Tirion (2007). Stars and Planets Guide, Collins, London. ISBN 978-0-00-725120-9. Princeton University Press, Princeton. ISBN 978-0-691-13556-4.

Richard Hinckley Allen, Star Names, Their Lore and Legend, New York, Dover, various dates.