A search for northern hemisphere double mode Cepheids. I - Existing observations

Details A search for northern hemisphere double mode Cepheids. I - Existing observations A search for northern hemisphere double mode Cepheids. I - Existing observations

Oct 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979mnras.189..149h&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 189, Oct. 1979, p. 149-157.

Astronomy and Astrophysics

Astronomy

12

Astronomical Catalogs, Cepheid Variables, Northern Hemisphere, Autocorrelation, Modal Response, Periodic Variations, Ubv Spectra

Scientific paper

A complete sample of Cepheids taken from the General Catalog of Variable Stars and more recent literature is examined to find the frequency of multi-mode excitation among this class of stars. The constraints are chosen to include most of the known beat Cepheids; the sample includes those stars brighter than B = 12.5 mag at minimum and with periods shorter than five days, with the additional constraint that they must be north of -25 degrees declination (1900.0). Forty-two stars of this sample have sufficient Johnson V data to make a reasonable autocorrelation search for secondary periodicities. Of these, there are no new cases of multi-mode behavior.

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