UX Monocerotis: New Photometric and Spectroscopic Observations, Solutions, and Anomalies in an Active Mass-Transferring Binary
UX Orionis
UX Orionis
UX Ret and CN Hyi: hipparcos photometry analysis
UX Tri: Period Change Discovered and Unchanged Strong Blazhko Effect Confirmed
UX UMa : a violent ultraviolet spectrum variable.
UX Ursae Majoris
UX Ursae Majoris
UX Ursae Majoris
UX Ursae Majoris as a SW Sex star
UX Ursae Majoris: UBVRI photometry in 1985-1991
UX Virginis and Its Neighbour
UY Cygni (Ch. 7514), revised elements of
UY Mon
UY Phoenicis - RR Lyrae variable, not dwarf nova
UY Piscium: 1990-1992
UY Ursae Majoris: A W-subtype W UMa system with a small mass ratio
UY Virginis
UY Virginis
UY Virginis