Study of Delta Scuti stars in the Geneva photometric system. II - The complex case of HD 2724 (= HR 119)

Details Study of Delta Scuti stars in the Geneva photometric system. II - The complex case of HD 2724 (= HR 119) Study of Delta Scuti stars in the Geneva photometric system. II - The complex case of HD 2724 (= HR 119)

Nov 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992a%26as...95..471l&link_type=abstract

Astronomy and Astrophysics Supplement Series (ISSN 0365-0138), vol. 95, no. 3, p. 471-487.

Astronomy and Astrophysics

Astrophysics

2

Astronomical Photometry, Cepheid Variables, Light Curve, Stellar Color, Stellar Oscillations

Scientific paper

The results of the frequency analyses for the complex case of HD 2724 are presented. Although based on a large and accurate data set covering more than one year, we were unable to derive a common frequency solution for the data of different years. Two frequencies can be unambiguously identified in the proposed multiperiodic solution, with sufficient proof of their reliability. The possible modal content of HD 2724 is discussed in view of its physical parameters derived in the Geneva Photometric System. HD 2724 is a plausible candidate for amplitude modulation in multimode Delta Scuti stars.

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