Astronomy and Astrophysics – Astronomy
Scientific paper
Oct 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011rmxaa..47..219s&link_type=abstract
Revista Mexicana de Astronomía y Astrofísica Vol. 47, pp. 219-234 (2011)
Astronomy and Astrophysics
Astronomy
Stars: Chemically Peculiar, Stars: Individual (Hr 3273, Hr 8118, Hr 8567, Hr 8937)
Scientific paper
This work is part of our current study for verifying a possible relation between abundances of HgMn stars with stellar parameters, rotation and age. We present an analysis of the stars HR 3273, HR 8118, HR 8567 and HR 8937. We used echelle spectra taken with the CASLEO 2.1 m telescope and ATLAS9 model atmospheres. HeI was underabundant for the HgMn stars. O was slightly underabundant in HR 3273 and HR 8567. MgII was underabundant except for HR 8118. SiII was close to solar in HR 8118 and HR 8937, and underabundant in HR 3273 and HR 8567. Fe was slightly underabundant in HR 3273 and HR 8567, and slightly overabundant in HR 8118 and HR 8937. The species Sc, Ti, Cr, Mn, Sr, Y and Zr were overabundant while Ni was underabundant.
Levato Hugh
Nunez Natalia
Saffe Carlos
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