Department of Astronomy,
University of Toronto, Toronto, Ontario, Canada M5S 1A1
Tau Cassiopeiae (K1IIIa)
appears to be non-variable in light and velocity, despite published indications
to the contrary. The origin and propagation of the claims of variability are
relevant, in a broader context, to (1) the certification and documentation of
stellar variability and (2) the nature of the more than 200 suspected K-giant
variable stars in the Yale Catalogue of Bright Stars.