Hostname: page-component-cd9895bd7-jkksz Total loading time: 0 Render date: 2024-12-26T18:45:45.678Z Has data issue: false hasContentIssue false

Characterizing binary properties of 5 m stars: new approaches using cepheids

Published online by Cambridge University Press:  25 February 2014

N.R. Evans*
Affiliation:
SAO, MS 4, 60 Garden St., Cambridge, MA 02138, USA
Get access

Abstract

Cepheids provide approaches to determining binary parameters which are often complementary to those for main sequence massive and intermediate mass stars. Specifically, we are using high resolution imaging, radial velocities, and X-ray studies to determine binary characteristics. Among the results are that they have both a high frequency of binary systems, and also a high proportion of triple systems.

Type
Research Article
Copyright
© EAS, EDP Sciences, 2014

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

Evans, N.R., 1992, ApJ, 384, 220CrossRef
Evans, N.R., DeGioia-Eastwood, K., Gagné, M., et al., 2011, ApJS, 194, 13CrossRef
Evans, N.R., Bond, H.E., Schaefer, G.H., et al., 2013, AJ, 146, 93CrossRef
Gorynya, N.A., Samus’, N.N., Sachkov, M.E., et al., 1998, Astron. Lett., 24, 815
Raghavan, D., McAlister, H.A., Henry, T.J., et al., 2010, ApJS, 190, 1CrossRef
Sana, H., de Mink, S.E., de Koter, A., et al., 2012, Science, 337, 444CrossRef