CHEMICAL COMPOSITION AND ATMOSPHERE PARAMETERS OF THE DOUBLE-MODE CEPHEID U TRA
Four high-resolution spectra of the doble-mode Cepheid UTrA have been obtained during its pulsational period. For the first time, we obtained accurate atmosphere parameters and the chemical abundance of a number of elements, in particular of sodium, magnesium, and aluminium. We estimated the mean Teff...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Odessa I. I. Mechnykov National University
2013-11-01
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| Series: | Odessa Astronomical Publications |
| Online Access: | http://oap.onu.edu.ua/article/view/82357 |