Fourier inter- and intrarelations for Cepheid light curves using OGLE and Galactic data

Details Fourier inter- and intrarelations for Cepheid light curves using OGLE and Galactic data Fourier inter- and intrarelations for Cepheid light curves using OGLE and Galactic data

Dec 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000aas...197.4612b&link_type=abstract

American Astronomical Society, 197th AAS Meeting, #46.12; Bulletin of the American Astronomical Society, Vol. 32, p.1478

Astronomy and Astrophysics

Astronomy

1

Scientific paper

We use Fourier decomposition of V- and I-band light curves of OGLE Cepheids in the Magellanic Clouds to obtain relations linking the structure of Cepheid light curves at different wavelengths. Such relations are useful to test models and to reconstruct sparsely sampled light curves. Based on the OGLE sample of 1284 LMC Cepheids and 2147 SMC Cepheids we derive linear relations between corresponding Fourier amplitudes and phases in the two bands (`interrelations'), and relations among different-order coefficients within the same band ('intrarelations'). The results are compared to similar relations from a set of Galactic Cepheids.

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