SIMBAD references

2001ApJ...549..452B - Astrophys. J., 549, 452-466 (2001/March-1)

WIYN(1) open cluster study. V. Lithium depletion and metallicity in G and K dwarfs of the open cluster M35.

BARRADO Y NAVASCUES D., DELIYANNIS C.P. and STAUFFER J.R.

Abstract (from CDS):

We present an analysis of high-quality spectra of members of the young cluster M35. By using a multifiber spectrograph, we are able to collect high signal-to-noise ratio, high-resolution spectra of a sample of photometric candidate members. Accurate radial velocities are used to establish the membership status, and rotational velocities are measured using cross-correlation. We also derive the metal content of the cluster, [Fe/H]M35=-0.21±0.10, based on spectral synthesis. Finally, we derive the lithium abundances of the bona fide cluster members and compare the results with members of other clusters. For example, M35 shows a smaller range in both rotation rates and lithium abundances as compared to the Pleiades. We discuss possible roles of various parameters. Our high-quality M35 database of lithium abundances and rotational velocities is perfectly suited to be used as a laboratory to test theoretical models dealing with the lithium depletion phenomenon. We discuss the role of stellar inhomogeneities and rotation on the lithium depletion phenomenon.

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Journal keyword(s): Galaxy: Open Clusters and Associations: Individual: Messier Number: M35 - Galaxy: Open Clusters and Associations: Individual: NGC Number: NGC 2168 - Stars: Abundances - Stars: Evolution - Stars: Late-Type

Simbad objects: 88

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