Article (Scientific journals)
Transition probabilities in singly ionized promethium and the identification of PmII lines in Przybylski's star and HR 465
Fivet, V.; Quinet, Pascal; Biémont, Emile et al.
2007In Monthly Notices of the Royal Astronomical Society, 380 (2), p. 771-780
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Keywords :
atomic data; line : identification; stars : chemically peculiar
Abstract :
[en] The first theoretical transition probabilities are obtained for a set of 46 Pm ii transitions of astrophysical interest. These data fill in a gap in astrophysics and will allow to establish, on a firmer basis, the presence of some lines of this radioactive element in the spectra of chemically peculiar stars and, consequently, a quantitative investigation of the stellar Pm abundance. A search for Pm ii lines in Przybylski's star (HD 101065) and in HR 465 is reported and discussed, supporting the detection of this ion. A more detailed quantitative analysis is awaiting the availability of dedicated model atmospheres for these stars.
Disciplines :
Earth sciences & physical geography
Author, co-author :
Fivet, V.
Quinet, Pascal  ;  Université de Liège - ULiège > Département de physique > Physique nucléaire, atomique et spectroscopie
Biémont, Emile ;  Université de Liège - ULiège > Département de physique > Physique nucléaire, atomique et spectroscopie
Jorissen, A.
Yushchenko, A. V.
Van Eck, S.
Language :
English
Title :
Transition probabilities in singly ionized promethium and the identification of PmII lines in Przybylski's star and HR 465
Publication date :
11 September 2007
Journal title :
Monthly Notices of the Royal Astronomical Society
ISSN :
0035-8711
eISSN :
1365-2966
Publisher :
Blackwell Publishing, Oxford, United Kingdom
Volume :
380
Issue :
2
Pages :
771-780
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 15 March 2010

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