Equivalent widths of IC 2602 & IC 2391 stars (D'Orazi+, 2009)

Details Equivalent widths of IC 2602 & IC 2391 stars (D'Orazi+, 2009) Equivalent widths of IC 2602 & IC 2391 stars (D'Orazi+, 2009)

May 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009ycat..35010553d&link_type=abstract

VizieR On-line Data Catalog: J/A+A/501/553. Originally published in: 2009A&A...501..553D

Physics

Clusters: Open, Abundances

Scientific paper

We analyzed high-resolution, high S/N spectra acquired with different instruments (UVES and CASPEC at ESO, and the echelle spectrograph at CTIO), using MOOG and equivalent width measurements. Along with metallicity ([Fe/H]), we measured NaI, SiI, CaI, TiI and TiII, and NiI abundances. Stars cooler than ~5500 show lower CaI, TiI, and NaI than warmer stars. By determining TiII abundances, we show that, at least for Ti, this effect is due to NLTE and over-ionization.
(2 data files).

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