The Chemical Composition of alpha Cen A: Strong Lines and the ABO Theory of Collisional Line Broadening

Doyle, Marianne T; O'Mara, Bernard J; Ross, John E; Bessell, Michael

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The Chemical Composition of alpha Cen A: Strong Lines and the ABO Theory of Collisional Line Broadening

Date

2005

Authors

Doyle, Marianne T

O'Mara, Bernard J

Ross, John E

Bessell, Michael

Publisher

CSLI Publications

Abstract

The mean abundances of Mg, Si, Ca, Ti, Cr, and Fe based on both strong and weak lines of α Cen A are determined by matching the observed line profiles with those synthesised from stellar atmospheric models and comparing these results with a similar analy