Low-Mass Dwarf Template Spectra from the Sloan Digital Sky Survey

Details Low-Mass Dwarf Template Spectra from the Sloan Digital Sky Survey Low-Mass Dwarf Template Spectra from the Sloan Digital Sky Survey

2006-10-20

arxiv.org/abs/astro-ph/0610639v1

Astron.J.133:531-544,2007

Astronomy and Astrophysics

Astrophysics

16 pages, 11 Figures, accepted to the Astronomical Journal, low-resolution figures included. Full-resolution images can be fou

Scientific paper

10.1086/510240

We present template spectra of low-mass (M0-L0) dwarfs derived from over 4,000 Sloan Digital Sky Survey (SDSS) spectra. These composite spectra are suitable for use as medium-resolution (R ~ 1,800) radial velocity standards. We report mean spectral properties (molecular bandhead strengths,equivalent widths) and use the templates to investigate the effects of magnetic activity and metallicity on the spectroscopic and photometric properties of low-mass stars.

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