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VLT spectra of the companion candidate Cha Ha 5/cc 1

By Ralph Neuhaeuser, Eike Guenther and Wolfgang Brandner

Abstract

We obtained optical and infrared spectra of Cha Ha 5/cc 1, a faint possibly sub-stellar companion candidate next to the M6-type brown dwarf candidate Cha Ha 5 in Cha I, using FORS1 and ISAAC at the VLT. The VRIJHK colors of Cha Ha 5/cc 1 are consistent with either an L-type companion or a K-type background giant. Our spectra show that the companion candidate actually is a background star.Comment: IAU 211 Symp. "Brown dwarfs" poster proceedings (in press

Topics: Astrophysics
Year: 2002
OAI identifier: oai:arXiv.org:astro-ph/0207549

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