U Geminorum stars
U Geminorum stars(jem-ă-nor -ŭm, -noh -rŭm) See dwarf novae.
Collins Dictionary of Astronomy © Market House Books Ltd, 2006
U Geminorum stars[′yü ‚jem·ə′nȯr·əm ‚stärz]
A class of variable stars known as dwarf novae; their light curves resemble those of novae, with range brightness variations of about 4 magnitudes; examples are U Gemini and SS Cygni. Also known as SS Cygni stars.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.