The Periods of TY and TZ Canes Venatici

Details The Periods of TY and TZ Canes Venatici The Periods of TY and TZ Canes Venatici

Jun 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989javso..18...39j&link_type=abstract

The Journal of the American Association of Variable Star Observers. vol. 18, no. 1, p. 39-42

Physics

Ty Canes Venatici, Tz Canes Venatici

Scientific paper

The periods of TY and TZ Canes Venatici, both RR Lyrae stars, are studied by means of O-C diagrams. The diagram for TY CVn is definitely not linear but the limited amount of data do not define the functional form. Linear elements approximating the behavior in 1977-1987 are: JD(max) = 2445294.188 + 0.51344266 E. TZ CVn seems to have a constant period, although slightly different from the published value. The new elements are: JD(max) = 2434967.113 + 0.55187911 E.

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