SIMBAD references

1987JAVSO..16....4M - J. Am. Assoc. Variable star obs., 16, 4-5 (1987/June-0)

Period changes in eclipsing binary stars observed by amateurs.

MALLAMA A.

Abstract (from CDS):

Recent period changes in UU And, SW Cyg, TY Del, TW Dra, TU Her, Z Per, and Y Psc have been revealed by visual times of minima obtained over the past two decades. New ephemerides are reported for these stars.

Abstract Copyright: ∼

Journal keyword(s): eclipsing binary stars

Simbad objects: 9

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