The multiplicity of exoplanet host stars - Spectroscopic confirmation of the companions GJ3021B and HD27442B, one new planet host triple-star system, and global statistics
M. Mugrauer, R. Neuhaeuser, T. Mazeh
Abstract
We present new results from our ongoing multiplicity study of exoplanet host stars and present a list of 29 confirmed planet host multiple-star systems. Furthermore, we discuss the properties of these stellar systems and compare the properties of exoplanets detected in these systems with those of planets orbiting single stars.
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