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A possible signature of terrestrial planet formation in the chemical composition of solar analogs

Ramirez, I; Asplund, Martin; Baumann, P; Melendez, Jorge; Bensby, T


Recent studies have shown that the elemental abundances in the Sun are anomalous when compared to most (about 85%) nearby solar twin stars. Compared to its twins, the Sun exhibits a deficiency of refractory elements (those with condensation temperatures TC ≥ 900≤ K) relative to volatiles (TC ≥ 900≤ K). This finding is speculated to be a signature of the planet formation that occurred more efficiently around the Sun compared with the majority of solar twins. Furthermore, within this scenario, it...[Show more]

CollectionsANU Research Publications
Date published: 2010
Type: Journal article
Source: Astronomy and Astrophysics
DOI: 10.1051/0004-6361/201014456


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