ner_tags: O O O O O B-Organization O B-Grant I-Grant I-Grant O O O B-Person I-Person I-Person O O O O B-Software O O B-URL O O O O O O O B-Observatory I-Observatory O O B-Grant I-Grant I-Grant O O O B-Software I-Software O O O O O O B-Organization I-Organization I-Organization I-Organization I-Organization I-Organization I-Organization I-Organization O O O O O O B-Organization O O O O B-Collaboration I-Collaboration O B-Organization I-Organization I-Organization B-Location I-Location O B-Organization I-Organization I-Organization B-Location B-Organization B-Location B-Organization I-Organization I-Organization I-Organization I-Organization I-Organization I-Organization B-Location O B-Organization I-Organization I-Organization I-Organization I-Organization I-Organization B-Location
tokens: We acknowledge support from the NSF through CAREER award 0847467, and we thank Genevieve J. Graves for making the code LICK_EW available at http://w.astro.berkeley.edu/graves/ez_ages.html . Based on observations obtained at the Gemini Observatory (part of Gemini program GN-2008A-Q-55, processed using the Gemini IRAF package), which is operated by the Association of Universities for Research in Astronomy, Inc., under a cooperative agreement with the NSF on behalf of the Gemini partnership: the National Science Foundation (United States), the National Research Council (Canada), CONICYT (Chile), Ministerio de Ciencia, Tecnología e Innovación Productiva (Argentina), and Ministério da Ciência, Tecnologia e Inovação (Brazil).