The variability of the pulsation period of DL Cassiopeiae

Details The variability of the pulsation period of DL Cassiopeiae The variability of the pulsation period of DL Cassiopeiae

Mar 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aipc..895..263p&link_type=abstract

FIFTY YEARS OF ROMANIAN ASTROPHYSICS. AIP Conference Proceedings, Volume 895, pp. 263-266 (2007).

Astronomy and Astrophysics

Astrophysics

Cepheids, Pulsations, Oscillations, And Stellar Seismology

Scientific paper

The temporal behaviour of the pulsation period of the classical Cepheid DL Cas was reconsidered using new available photoelectric data. Apparently the pulsation period is constant, but we could expect that possible evolutionary changes should still be hidden in observational noise as well as the light-time effect. Therefore, the investigation of the period variability requires additional observational data with better S/N ratio and phase coverage.

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