2013-05-19 04:36 pm

THE SLOAN DIGITAL SKY SURVEY DATA RELEASE 7 SPECTROSCOPIC M DWARF CATALOG

The article can be found here -
http://arxiv.org/abs/1101.1082

Key feature of the article.
1) Spectral typing using Hammer software
2) Median colours for red dwarf stars
3) Formula for calculating metallicity

OVERALL SCORE - Five stars