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The age rank of the nearest pre-main-sequence groups

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

Description

We address the age rank of the nearest pre-main-sequence (PMS) associations, using low-resolution spectrophotometry to measure gravity-sensitive indices in these stars. We compare spectral index-colour sequences for the PMS populations and rank them according to the strength of their gravity-sensitive features. The age rank using the gravity method is in general agreement with the ranking of these groups suggested by colour-magnitude (CM) diagram placement. Several of the groups have a...[Show more]

CollectionsANU Research Publications
Date published: 2009
Type: Journal article
URI: http://hdl.handle.net/1885/17576
Source: Monthly Notices of the Royal Astronomical Society
DOI: 10.1111/j.1745-3933.2009.00755.x

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