Light-curve systematics of Cepheids in the infrared

Details Light-curve systematics of Cepheids in the infrared Light-curve systematics of Cepheids in the infrared

Jan 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993mnras.260..408l&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 260, no. 2, p. 408-414.

Astronomy and Astrophysics

Astronomy

9

Cepheid Variables, Infrared Stars, Light Curve, Stellar Structure, Companion Stars, Correlation, Milky Way Galaxy

Scientific paper

Fourier decomposition of infrared light curves has been carried out for 51 Galactic Cepheids. The systematic variation of the Fourier parameters with period is determined. The P2/P sub 0 resonance near P = 10 d dominates the trend in light-curve shape, and amplitude plays a secondary role. These relations provide the basis for any future investigation of light-curve shape in the infrared where the light variation is dominated by the radius variation of the star.

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