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HIP 10725: The first solar twin/analogue field blue straggler

Schirbel, L; Meléndez, J; Karakas, Amanda; Ramírez, I; Castro, Matthieu; Faria, Marcos A; Lugaro, Maria; Asplund, Martin; Tucci Maia, M; Yong, David; Howes, Louise; Do Nascimento, J. D.

Description

Context. Blue stragglers are easy to identify in globular clusters, but are much harder to identify in the field. Here we present the serendipitous discovery of one field blue straggler, HIP 10725, that closely matches the Sun in mass and age, but with a metallicity slightly lower than solar. Aims. We characterise the solar twin/analogue HIP 10725 to assess whether this star is a blue straggler. Methods. We employed spectra with high resolution (R ~ 105) and high signal-to-noise ratio...[Show more]

CollectionsANU Research Publications
Date published: 2015
Type: Journal article
URI: http://hdl.handle.net/1885/152084
Source: Astronomy and Astrophysics
DOI: 10.1051/0004-6361/201527303
Access Rights: Open Access

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