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A new visual-near-infrared diagnostic to estimate the metallicity of cluster and field dwarf stars

Date

Authors

Calamida, A

Monelli, M

Milone, Antonino

Bono, G

Pietrinferni, A

Lagioia, E P

Publisher

Springer

Abstract

We present a theoretical calibration of a new metallicity diagnostic based on the Strömgren index m1 and on visual-near-infrared (NIR) colors to estimate the global metal abundance of cluster and field dwarf stars. To perform the metallicity calibration

Keywords

Keywords: Atmosphere models; Chemical mixtures; Dwarf stars; Evolutionary models; Globular clusters; Metal abundances; Metallicities; Spectroscopic measurements; Stars: abundances; Stars: evolution; Stars: low mass; Stars: Population II; Astrophysics; Calibration; Stars: abundances; Stars: evolution; Stars: low-mass; Stars: Population II

URI

http://hdl.handle.net/1885/78255

Collections

ANU Research Publications

Source

Astronomy and Astrophysics

Type

Journal article

Access Statement

Open Access

DOI

10.1051/0004-6361/201219712

Downloads

File

Description

01_Calamida_A_new_visual-near-infrared_2012.pdf (676.04 KB)

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