Chemical evolution of the Orion association. IV. The oxygen and iron abundances of F and G stars

Katia Cunha; Verne V. Smith; David L. Lambert

doi:10.1086/305118

Chemical evolution of the Orion association. IV. The oxygen and iron abundances of F and G stars

Katia Cunha, Verne V. Smith, David L. Lambert

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41 Scopus citations

Abstract

Oxygen and iron abundances are derived for a sample of pre-main-sequence F and G stars of the Orion association. Results for association members are compared with results published previously for main-sequence B stars in the association. The abundances reveal that the F and G stars exhibit the pattern of abundances shown by the main-sequence B stars: the stars have a single iron abundance, but there is a star-to-star variation of oxygen abundance. Oxygen-rich and oxygen-poor stars are roughly segregated on the sky.

Original language	English (US)
Pages (from-to)	195-205
Number of pages	11
Journal	Astrophysical Journal
Volume	493
Issue number	1 PART I
DOIs	https://doi.org/10.1086/305118
State	Published - 1998
Externally published	Yes

Keywords

Abundances
Individual (Orion association)
Open clusters and associations
Stars
pre-main-sequence

ASJC Scopus subject areas

Astronomy and Astrophysics
Space and Planetary Science

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10.1086/305118

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title = "Chemical evolution of the Orion association. IV. The oxygen and iron abundances of F and G stars",

abstract = "Oxygen and iron abundances are derived for a sample of pre-main-sequence F and G stars of the Orion association. Results for association members are compared with results published previously for main-sequence B stars in the association. The abundances reveal that the F and G stars exhibit the pattern of abundances shown by the main-sequence B stars: the stars have a single iron abundance, but there is a star-to-star variation of oxygen abundance. Oxygen-rich and oxygen-poor stars are roughly segregated on the sky.",

keywords = "Abundances, Individual (Orion association), Open clusters and associations, Stars, pre-main-sequence",

author = "Katia Cunha and Smith, {Verne V.} and Lambert, {David L.}",

year = "1998",

doi = "10.1086/305118",

language = "English (US)",

volume = "493",

pages = "195--205",

journal = "Astrophysical Journal",

issn = "0004-637X",

publisher = "American Astronomical Society",

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TY - JOUR

T1 - Chemical evolution of the Orion association. IV. The oxygen and iron abundances of F and G stars

AU - Cunha, Katia

AU - Smith, Verne V.

AU - Lambert, David L.

PY - 1998

Y1 - 1998

N2 - Oxygen and iron abundances are derived for a sample of pre-main-sequence F and G stars of the Orion association. Results for association members are compared with results published previously for main-sequence B stars in the association. The abundances reveal that the F and G stars exhibit the pattern of abundances shown by the main-sequence B stars: the stars have a single iron abundance, but there is a star-to-star variation of oxygen abundance. Oxygen-rich and oxygen-poor stars are roughly segregated on the sky.

AB - Oxygen and iron abundances are derived for a sample of pre-main-sequence F and G stars of the Orion association. Results for association members are compared with results published previously for main-sequence B stars in the association. The abundances reveal that the F and G stars exhibit the pattern of abundances shown by the main-sequence B stars: the stars have a single iron abundance, but there is a star-to-star variation of oxygen abundance. Oxygen-rich and oxygen-poor stars are roughly segregated on the sky.

KW - Abundances

KW - Individual (Orion association)

KW - Open clusters and associations

KW - Stars

KW - pre-main-sequence

UR - http://www.scopus.com/inward/record.url?scp=26744474261&partnerID=8YFLogxK

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DO - 10.1086/305118

M3 - Article

AN - SCOPUS:26744474261

SN - 0004-637X

VL - 493

SP - 195

EP - 205

JO - Astrophysical Journal

JF - Astrophysical Journal

IS - 1 PART I

ER -

Chemical evolution of the Orion association. IV. The oxygen and iron abundances of F and G stars

Abstract

Keywords

ASJC Scopus subject areas

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