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On the elemental abundance and isotopic mixture of mercury in HgMn stars

Dolk, Linus LU ; Wahlgren, Glenn LU and Hubrig, S (2003) In Astronomy & Astrophysics 402(1). p.299-313
Abstract
Optical region spectra of 31 HgMn stars have been studied for the abundance and isotope mixture of mercury. In the course of the investigation the lines Hg I lambda 4358 and Hg Ii lambda lambda3984,6149 have been studied, with abundances established for all three lines in several HgMn stars. The mercury isotope mixture has been determined from high resolution spectra of the lambda 3984 line.Possible signs of an ionization anomaly have been detected by the comparison of the abundance derived from the Hg I line and the Hg Ii lines in seven of the observed HgMn stars. A possible correlation of the mercury abundance with T<SUB>eff</SUB> has been detected. Possible signs of a weak anticorrelation of the manganese and mercury... (More)
Optical region spectra of 31 HgMn stars have been studied for the abundance and isotope mixture of mercury. In the course of the investigation the lines Hg I lambda 4358 and Hg Ii lambda lambda3984,6149 have been studied, with abundances established for all three lines in several HgMn stars. The mercury isotope mixture has been determined from high resolution spectra of the lambda 3984 line.Possible signs of an ionization anomaly have been detected by the comparison of the abundance derived from the Hg I line and the Hg Ii lines in seven of the observed HgMn stars. A possible correlation of the mercury abundance with T<SUB>eff</SUB> has been detected. Possible signs of a weak anticorrelation of the manganese and mercury abundance in HgMn stars have been found, which could be interpreted as a sign of inhomogeneous surface distribution of these elements. For a number of the HgMn stars in this study the mercury abundance and isotope mixture are reported for the first time. (Less)
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author
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
stars: abundances, stars: chemically peculiar
in
Astronomy & Astrophysics
volume
402
issue
1
pages
299 - 313
publisher
EDP Sciences
external identifiers
  • wos:000182128200031
  • scopus:0037963276
ISSN
0004-6361
DOI
10.1051/0004-6361:20030213
language
English
LU publication?
yes
id
f376a313-224f-4e76-a485-3c3f359efd91 (old id 130544)
date added to LUP
2007-07-12 15:50:39
date last changed
2018-01-07 08:35:38
@article{f376a313-224f-4e76-a485-3c3f359efd91,
  abstract     = {Optical region spectra of 31 HgMn stars have been studied for the abundance and isotope mixture of mercury. In the course of the investigation the lines Hg I lambda 4358 and Hg Ii lambda lambda3984,6149 have been studied, with abundances established for all three lines in several HgMn stars. The mercury isotope mixture has been determined from high resolution spectra of the lambda 3984 line.Possible signs of an ionization anomaly have been detected by the comparison of the abundance derived from the Hg I line and the Hg Ii lines in seven of the observed HgMn stars. A possible correlation of the mercury abundance with T&lt;SUB&gt;eff&lt;/SUB&gt; has been detected. Possible signs of a weak anticorrelation of the manganese and mercury abundance in HgMn stars have been found, which could be interpreted as a sign of inhomogeneous surface distribution of these elements. For a number of the HgMn stars in this study the mercury abundance and isotope mixture are reported for the first time.},
  author       = {Dolk, Linus and Wahlgren, Glenn and Hubrig, S},
  issn         = {0004-6361},
  keyword      = {stars: abundances,stars: chemically peculiar},
  language     = {eng},
  number       = {1},
  pages        = {299--313},
  publisher    = {EDP Sciences},
  series       = {Astronomy & Astrophysics},
  title        = {On the elemental abundance and isotopic mixture of mercury in HgMn stars},
  url          = {http://dx.doi.org/10.1051/0004-6361:20030213},
  volume       = {402},
  year         = {2003},
}