ELEMENTAL ABUNDANCE ANALYSES WITH DAO SPECTROGRAMS .10. THE MERCURY MANGANESE STARS PI-1 BOOTIS, UPSILON HERCULIS AND HR 7361

被引：27

作者：

ADELMAN, SJ

机构：

[1] Department of Physics, The Citadel, Charleston, 29409, SC

来源：

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 1992年 / 258卷 / 01期

关键词：

DIFFUSION; LINE; PROFILES; STARS; ABUNDANCES; INDIVIDUAL; PI-1; BOO; NU HER; HR; 7361;

D O I：

10.1093/mnras/258.1.167

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

This paper presents fine analyses of three sharp-lined mercury manganese stars: pi-1 Bootis, upsilon-Herculis and HR 7361. The most Hg-rich among the 12 HgMn stars studied in this series is pi-1 Boo. Both it and upsilon-Her are Fe- and Ni-poor. The greatest P and Mn overabundances seen in the HgMn stars occur in HR 7361; this is also the most S-poor and one of the few Ca- and Xe-rich HgMn stars. Some correlations are found between the consistently analysed abundances for the 12 stars. These correlations are expected if radiative diffusive processes are operating.

引用

页码：167 / 176

页数：10

共 58 条

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[2]

Adelman S. J., 1984, Astronomy & Astrophysics Supplement Series, V58, P585

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