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Binary contamination in the SEGUE sample: Effects on SSPP determinations of stellar atmospheric parameters

Schlesinger, Katharine; Johnson, Jennifer A; Lee, Young Sun; Masseron, Thomas; Yanny, Brian; Rockosi, Constance; Gaudi, B S; Beers, Timothy C

Description

We examine the effects that unresolved binaries have on the determination of various stellar atmospheric parameters for targets from the Sloan Extension for Galactic Understanding and Exploration (SEGUE) using numerical modeling, a grid of synthetic spectra, and the SEGUE Stellar Parameter Pipeline (SSPP). The SEGUE survey, a component of the Sloan Digital Sky Survey-II (SDSS-II) project focusing on Galactic structure, provides medium resolution spectroscopy for over 200,000 stars of various...[Show more]

CollectionsANU Research Publications
Date published: 2010
Type: Journal article
URI: http://hdl.handle.net/1885/79542
Source: Astrophysical Journal, The
DOI: 10.1088/0004-637X/719/2/996

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