The position of s-Cepheids on a two-color diagram for unseparated binary stars

Details The position of s-Cepheids on a two-color diagram for unseparated binary stars The position of s-Cepheids on a two-color diagram for unseparated binary stars

Jun 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990kfnt....6...91u&link_type=abstract

Kinematika i Fizika Nebesnykh Tel (ISSN 0233-7665), vol. 6, May-June 1990, p. 91-93. In Russian.

Astronomy and Astrophysics

Astronomy

8

Binary Stars, Cepheid Variables, Color-Color Diagram, Companion Stars, Stellar Spectra, Astronomical Photometry, Light Curve, Spectral Reconnaissance

Scientific paper

Consideration is given to the positions of 18 northern hemisphere
s-Cepheids on a two-color diagram (U-B), (B-V), for unseparated binary
systems. The E(B-V) and E(U-B) color excesses are taken into account. It
is shown that 14 of the s-Cepheids are probably binaries. The spectral
types of their possible companion stars are determined.

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