Cepheids in binary systems -- new candidates in the Magellanic Clouds

Details Cepheids in binary systems -- new candidates in the Magellanic Clouds Cepheids in binary systems -- new candidates in the Magellanic Clouds

Jun 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004coast.145...29s&link_type=abstract

Communications in Asteroseismology, vol. 145, p. 29-31

Computer Science

1

Scientific paper

While in our Milky Way galaxy the majority of Cepheids is not solitary, in the Magellanic Clouds only a few binaries have been revealed in lack of systematic spectroscopic studies. A simple numerical parameter, the ratio of the radial velocity and the photometric amplitudes was studied for the Magellanic Cloud Cepheids. A large value of this amplitude ratio is a hint that the Cepheid has a companion. According to this duplicity indicator HV 834 and HV 2864 are possibly members in binary systems.

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