Abstract
Abstract
The synthesis of several spectral intervals in the optical range allows the determination of LTE abundances of strontium, yttrium, zirconium, barium, praseodymium, neodymium, platinum and mercury for this B8 Mn star. Compared to the solar abundances, strontium, yttrium, barium, praseodymium and mercury are found to be overabundant by factors of 2.5, 130, 10, 150 and 60,000. Only upper limits could be determined for zirconium and platinum. The lines of Nd iii are blended with lines of more abundant elements which precludes the determination of the abundance of neodymium. The abundance of manganese, derived from the Mn ii line at 3986.59 Å is about 100 times larger than in the Sun.
Publisher
American Astronomical Society