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Abundance analyses of cool extreme helium stars
Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Physics, Department of Astronomy and Space Physics.
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2001 (English)In: MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, ISSN 0035-8711, Vol. 324, no 4, 937-959 p.Article in journal (Refereed) Published
Abstract [en]

Extreme helium stars (EHes) with effective temperatures from 8000 to 13 000 K are among the coolest EHes and overlap the hotter R CrB stars in effective temperature. The cool EHes may represent an evolutionary link between the hot EHes and the R CrB stars

Place, publisher, year, edition, pages
BLACKWELL SCIENCE LTD , 2001. Vol. 324, no 4, 937-959 p.
Keyword [en]
stars : abundances; stars : AGB and post-AGB; stars : chemically peculiar; stars : evolution; R-CORONAE-BOREALIS; HYDROGEN-DEFICIENT STARS; METAL-POOR STARS; GIANT BRANCH EVOLUTION; SPECTRAL-ANALYSIS; WHITE-DWARFS; OSCILLATOR-STRENGTHS; MODEL ATMOSPHERES;
Identifiers
URN: urn:nbn:se:uu:diva-36653OAI: oai:DiVA.org:uu-36653DiVA: diva2:64552
Note
Addresses: Pandey G, Univ Texas, Dept Astron, RLM 15308, Austin, TX 78712 USA. Univ Texas, Dept Astron, Austin, TX 78712 USA. Indian Inst Astrophys, Bangalore 560034, Karnataka, India. Armagh Observ, Armagh BT61 9DG, North Ireland. Astron Observ, S-75120Available from: 2008-10-17 Created: 2008-10-17 Last updated: 2011-01-13

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