The abundances of heavy elements in red supergiants of Magellanic Clouds
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Date
2013
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Astroprint
Abstract
ABSTRACT. The spectra of Magellanic Clouds
(MC) supergiants PMMR 23, PMMR 144 and RM 1-
667 with resolving power R=30,000 and signal to noise ratio near 100 obtained at 3.6 meter telescope in Chile were analysed. We present a report on the detailed investigation of MC supergiants, with spesial attention to the thorium abundance in these stars.
The abundance patterns of three supergiants show that r-process elements are clearly detected in the atmospheres of investigated stars, but the abundances of s-processes elements can vary from star to star.
Description
Odessa Astronomical publications / Одесская астроном. обсерватория . – Одесса : Астропринт, 2013 . – Vol.26/1.
Keywords
Magellanic Clouds, supergiants, chemical abundances, heavy elements, r-process elements, s-process elements
Citation
Odessa Astronomical Publications