Accurate Wavenumbers for Mid-Infrared Fine-Structure Lines | Zendy

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Accurate Wavenumbers for Mid-Infrared Fine-Structure Lines

Author(s) -

Douglas Kelly,

J. H. Lacy

Publication year - 1995

Publication title -

the astrophysical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.376

H-Index - 489

eISSN - 1538-4357

pISSN - 0004-637X

DOI - 10.1086/309795

Subject(s) - wavenumber , infrared , hyperfine structure , physics , line (geometry) , astrophysics , supergiant , spectral line , optics , astronomy , geometry , mathematics

We present accurate new wavenumbers for a set of 13 mid-infraredfine-structure lines. The wavenumbers were determined from observations of theplanetary nebula NGC 7027 and of the red supergiant Alpha Scorpii. Most of thenew wavenumbers are good to within 0.0025%, or 8 km/s. We provide details onthe measurements and present an analysis of the errors. In addition, we presentthe first observations of hyperfine splitting in the [Na IV] 1106 cm-1 line.Comment: 12 pages text, 2 postscript figures, uses AASTeX macros, figures are gzipped and uuencode

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