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Accurate abundance patterns of solar twins and analogs: Does the anomalous solar chemical composition come from planet formation?

Date

Authors

Ramirez, I

Melendez, Jorge

Asplund, Martin

Publisher

Springer

Abstract

We derive the abundance of 19 elements in a sample of 64 stars with fundamental parameters very similar to solar, which minimizes the impact of systematic errors in our spectroscopic 1D-LTE differential analysis, using high-resolution (R ≃ 60000), high

Keywords

Keywords: Abundance ratios; Chemical compositions; Chemical evolution; Condensation temperature; Differential analysis; Elemental abundance; Estimated error; Fundamental parameters; High resolution; High signal-to-noise ratio; High-T; Host-stars; Planet formation; Planetary systems; Stars: abundances; Sun: abundances

URI

http://hdl.handle.net/1885/80297

Collections

ANU Research Publications

Source

Astronomy and Astrophysics

Type

Journal article

DOI

10.1051/0004-6361/200913038

Restricted until

2037-12-31

Downloads

File

Description

01_Ramirez_Accurate_abundance_patterns_of_2009.pdf (246.43 KB)