ABUNDANCES OF HEAVY ELEMENTS IN SIRIUS (Z>72)

The abundances of eight heavy elements: Hf, Ta, W, Re, Os, lr, Hg and Pb are found in the atmosphere of Sirius A. The Copernicus UV spectral atlas is used. The investigated elements show the overabundances with respect to the Solar system values in the range 07-27 dex.

Bibliographic Details
Main Author: A. V. Yushchenko
Format: Article
Language:English
Published: Odessa I. I. Mechnykov National University 2017-09-01
Series:Odessa Astronomical Publications
Online Access:http://oap.onu.edu.ua/article/view/109465