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Experimental f-Value and Isotopic Structure for the Ni I Line Blended with [O I] at 6300 Å

In English

Författare

Summary, in English

We have measured the oscillator strength of the Ni I line at 6300.34Å, which is known to be blended with the forbidden line [O I]lambda6300 used for the determination of the oxygen abundance in coolstars. We also give wavelengths of the two isotopic line components of<SUP>58</SUP>Ni and <SUP>60</SUP>Ni derived from the asymmetriclaboratory line profile. These two line components of Ni I have to beconsidered when calculating a line profile of the 6300 Å featureobserved in stellar and solar spectra. We also discuss the labeling ofthe energy levels involved in the Ni I line since level mixing makes thetheoretical predictions uncertain.

Publiceringsår

2003

Språk

Engelska

Sidor

107-110

Publikation/Tidskrift/Serie

Astrophysical Journal

Volym

584

Issue

2

Dokumenttyp

Artikel i tidskrift

Förlag

American Astronomical Society

Ämne

  • Astronomy, Astrophysics and Cosmology
  • Atom and Molecular Physics and Optics

Nyckelord

  • Sun: Abundances
  • Stars: Abundances
  • Atomic Data

Status

Published

ISBN/ISSN/Övrigt

  • ISSN: 0004-637X