The Milky Way Tomography with SDSS. II. Stellar Metallicity

Ivezic, Zeljko; Sesar, Branimir; Juric, Mario; Bond, Nicholas; Dalcanton, Julianne; Rockosi, Constance; Yanny, Brian; Newberg, Heidi Jo; Beers, Timothy C; Allende Prieto, C; Wilhelm, Ronald; Norris, John

Cultural advice

The Australian National University acknowledges, celebrates and pays our respects to the Ngunnawal and Ngambri people of the Canberra region and to all First Nations Australians on whose traditional lands we meet and work, and whose cultures are among the oldest continuing cultures in human history.

Aboriginal and Torres Strait Islander peoples are advised that ANU Library collections may include images, names, voices, and other representations of deceased persons.

Material in the collection may contain terms, language or views that reflect the period in which the item was created and may be considered inappropriate today.

The Milky Way Tomography with SDSS. II. Stellar Metallicity

Date

2008

Authors

Ivezic, Zeljko

Sesar, Branimir

Juric, Mario

Bond, Nicholas

Dalcanton, Julianne

Rockosi, Constance

Yanny, Brian

Newberg, Heidi Jo

Beers, Timothy C

Allende Prieto, C

Publisher

IOP Publishing

Abstract

Using effective temperature and metallicity derived from SDSS spectra for ∼60,000 F- and G-type main-sequence stars (0.2 < g - r < 0.6), we develop polynomial models for estimating these parameters from the SDSS u - g and g - r colors. These photometric