Deriving stellar effective temperatures of metal-poor stars with the excitation potential method

Frebel, Anna; Casey, Andrew; Jacobson, Heather R; Yu, Qinsi

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.

Deriving stellar effective temperatures of metal-poor stars with the excitation potential method

Date

2013

Authors

Frebel, Anna

Casey, Andrew

Jacobson, Heather R

Yu, Qinsi

Publisher

IOP Publishing

Abstract

It is well established that stellar effective temperatures determined from photometry and spectroscopy yield systematically different results. We describe a new, simple method to correct spectroscopically derived temperatures ("excitation temperatures") o