Stellar Cluster Abundances from APOGEE Commissioning Spectra

Details Stellar Cluster Abundances from APOGEE Commissioning Spectra Stellar Cluster Abundances from APOGEE Commissioning Spectra

Jan 2012

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012aas...21942803s&link_type=abstract

American Astronomical Society, AAS Meeting #219, #428.03

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Scientific paper

The Apache Point Observatory Galactic Evolution Experiment (APOGEE) will undertake an H-band (1.52-1.68 micron) spectroscopic survey of 1E5 red giant stars spanning the Galactic disk, bulge, and halo, with typical limiting magnitude H 12.5. During the commissioning of APOGEE a number of plates containing stellar clusters were observed. Some of these star clusters are well-studied, such as M3, and others have few literatureabundance references, such as NGC 5466. We exhibit sample spectra from these clusters and give examples of the lines that can be identified at different metallicities. Metallicities and abundances are derived using a traditional equivalent width analysis with photometric stellar parameters.

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