Experimental Ca I oscillator strengths for the 4p–5s triplet
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چکیده
منابع مشابه
Experimental Mg I oscillator strengths and radiative lifetimes for astrophysical applications on metal - poor stars New data for the Mg I b triplet
Context. The stellar abundance ratio of Mg/Fe is an important tool in diagnostics of galaxy evolution. In order to make reliable measurements of the Mg abundance of stars, it is necessary to have accurate values for the oscillator strength ( f -value) of each of the observable transitions. In metal-poor stars the Mg i 3p–4s triplet around 5175 Å (Fraunhofer’s so-called b lines) are the most pro...
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We report experimental oscillator strengths for 88 Ti I transitions covering the wavelength range 465 to 3 892 nm, 67 of which had no previous experimental values. Radiative lifetimes for thirteen energy levels, including the low energy levels 3d( F) 4s4p ( P) z 5D◦j , have been measured using time resolved laser induced fluorescence. Intensity calibrated Ti I spectra have been measured using F...
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ژورنال
عنوان ژورنال: Astronomy & Astrophysics
سال: 2009
ISSN: 0004-6361,1432-0746
DOI: 10.1051/0004-6361/200911844