SIMBAD references

2018ApJS..234...25W - Astrophys. J., Suppl. Ser., 234, 25-25 (2018/February-0)

Vanadium transitions in the spectrum of Arcturus.

WOOD M.P., SNEDEN C., LAWLER J.E., DEN HARTOG E.A., COWAN J.J. and NAVE G.

Abstract (from CDS):

We derive a new abundance for vanadium in the bright, mildly metal-poor red giant Arcturus. This star has an excellent high-resolution spectral atlas and well-understood atmospheric parameters, and it displays a rich set of neutral vanadium lines that are available for abundance extraction. We employ a newly recorded set of laboratory FTS spectra to investigate any potential discrepancies in previously reported V I log(gf) values near 900 nm. These new spectra support our earlier laboratory transition data and the calibration method utilized in that study. We then perform a synthetic spectrum analysis of weak V I features in Arcturus, deriving log ε(V) = 3.54 ± 0.01 (σ = 0.04) from 55 lines. There are no significant abundance trends with wavelength, line strength, or lower excitation energy.

Abstract Copyright: © 2018. The American Astronomical Society. All rights reserved.

Journal keyword(s): atomic data - line: profiles - methods: laboratory: atomic - stars: abundances - stars: individual: Arcturus

VizieR on-line data: <Available at CDS (J/ApJS/234/25): table2.dat table3.dat>

Simbad objects: 2

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