Color indices of double-mode Cepheids

Details Color indices of double-mode Cepheids Color indices of double-mode Cepheids

Jul 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993astl...19..246b&link_type=abstract

Astronomy Letters, Vol. 19, p. 246-255; Pis'ma v Astronomicheskij Zhurnal (ISSN 0320-0108), vol. 19, no. 7, p. 619-637. In Russ

Astronomy and Astrophysics

Astronomy

1

Cepheid Variables, Light Curve, Stellar Color, Stellar Oscillations, Electrophotometry, Stellar Temperature, Ubv Spectra

Scientific paper

Separate light curves of both oscillations are constructed for all the double-mode Cepheids. Analysis of 4600 photoelectric UBVRI observations shows that the shape of the curves changes with a period equal to the period of the other oscillation. Data on amplitude variations of color indices confirm an earlier conclusion that divided the group of double-mode Cepheids into two subgroups.

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