First detection of a low-mass stellar halo around the young open cluster η Chamaeleontis

Murphy, Simon; Lawson, Warrick Andrew; Bessell, Michael

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First detection of a low-mass stellar halo around the young open cluster η Chamaeleontis

Date

2010

Authors

Murphy, Simon

Lawson, Warrick Andrew

Bessell, Michael

Publisher

Blackwell Publishing Ltd

Abstract

We have identified several lithium-rich low-mass (0.08 < M < 0.3 M⊙) stars within 5°5 of the young open cluster η Chamaeleontis, nearly four times the radius of previous search efforts. Of these stars, we propose four new probable cluster members and