Multiperiodicity and physical nature of the delta Scuti star HD129231

Details Multiperiodicity and physical nature of the delta Scuti star HD129231 Multiperiodicity and physical nature of the delta Scuti star HD129231

Feb 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002aspc..256..141r&link_type=abstract

Observational Aspects of Pulsating B- and A Stars, ASP Conference Proceedings, Vol. 256. Edited by Christiaan Sterken and Donal

Astronomy and Astrophysics

Astronomy

Scientific paper

We present the results of a three-year Stromgren uvbybeta photometric study of the recently-discovered multiperiodic delta Sct star HD129231. At least two frequencies are needed to describe the pulsational behaviour of this variable during each observing run. Amplitude variations from season to season are found for some of the pulsation modes. The most relevant physical parameters of this variable are also derived, leading to identifying this object as a hot Population I delta Sct star evolving on its main-sequence stage.

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