Abstract

Three new massive companions in the planet-brown dwarf boundary detected with SOPHIE

Highlights

  • A handful of brown dwarves transiting in front of a stellar primary have been detected so far (Corot-3, Corot-15, NLTT41135, LHS6343C, Wasp-30)

  • We report the detection of three new massive companions to mainsequence stars based on precise radial velocities obtained with the SOPHIE spectrograph, as part of an ongoing programme to search for extrasolar planets

  • The number of objects detected by radial velocity with minimum masses in the brown dwarf regime is only slowly growing

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Summary

Introduction

A handful of brown dwarves transiting in front of a stellar primary have been detected so far (Corot-3, Corot-15, NLTT41135, LHS6343C, Wasp-30). We report the detection of three new massive companions to mainsequence stars based on precise radial velocities obtained with the SOPHIE spectrograph, as part of an ongoing programme to search for extrasolar planets. The minimum masses of the detected companions range from around 16 Mjup to around 60 Mjup, and lie at both sides of the boundary between massive extrasolar planets and brown dwarves.

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