The spectroscopic characteristics of intermediate-aged pre-main-sequence stars: the &eta Chamaeleontis cluster

Lyo, A-Ran; Lawson, Warrick Andrew; Bessell, Michael

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The spectroscopic characteristics of intermediate-aged pre-main-sequence stars: the &eta Chamaeleontis cluster

Date

2004

Authors

Lyo, A-Ran

Lawson, Warrick Andrew

Bessell, Michael

Publisher

Blackwell Publishing Ltd

Abstract

We present a study of calibrated low-resolution spectra of the 18 known primaries of the ≈9-Myr-old η Chamaeleontis (η Cha) pre-main-sequence (PMS) star cluster. Using synthetic broad-band colours and narrow-band continuum-sensitive, temperature-sensi