WFRF:(Kochukhov O.)
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Element stratification in roAp stars 10 Aquilae (HD 176232)
- Nesvacil, N. (author)
- Weiss, W. W. (author)
-
- Kochukhov, O. (author)
- Uppsala universitet,Institutionen för astronomi och rymdfysik
- (creator_code:org_t)
- 2008
- 2008
- English.
- In: Contributions of the Astronomical Observatory Skalnaté Pleso. - 1335-1842. ; 38:2, s. 329-334
- Journal article (peer-reviewed)
Abstract
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- We present the results of our analysis of the vertical element stratification in the atmospheres of 9 roAp stars. Using high resolution observations (R approximate to 100000) obtained with the ESO-VLT spectrograph UVES and state of the art model atmosphere and spectral synthesis codes, we analysed the inhomogeneous vertical distribution of Mg, Si, Ca, Cr, Fe and Sr in 10 Aquilae (HD 176232) and Fe stratification in the whole sample. We present the derived vertical abundance map of 10 Aquilae's atmosphere and compare our findings with Fe stratification profiles of all roAp stars.
Subject headings
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
Keyword
- stars : abundances
- stars : atmospheres
- stars : chemically peculiar
- stars : magnetic fields
- Physics
- Fysik
Publication and Content Type
- ref (subject category)
- art (subject category)
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