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Lithium in Open Cluster Red Giants Hosting Substellar Companions
Joleen K. Carlberg, Verne V. Smith, Katia Cunha +1
We have measured stellar parameters, [Fe/H], lithium abundances, rotation, and 12C/13C in a small sample of red giants in three open clusters that are each home to a red giant star…
The Apache Point Observatory Galactic Evolution Experiment (APOGEE)
Steven R. Majewski, Ricardo P. Schiavon, Peter M. Frinchaboy +75
The Apache Point Observatory Galactic Evolution Experiment (APOGEE), one of the programs in the Sloan Digital Sky Survey III (SDSS-III), has now completed its systematic, homogeneo…
On Infrared Excesses Associated With Li-Rich K Giants
Luisa M. Rebull, Joleen K. Carlberg, John C. Gibbs +10
Infrared (IR) excesses around K-type red giants (RGs) have previously been discovered using IRAS data, and past studies have suggested a link between RGs with overabundant Li and I…
The Puzzling Li-rich Red Giant Associated with NGC 6819
Joleen K. Carlberg, Verne V. Smith, Katia Cunha +13
A Li-rich red giant star (2M19411367+4003382) recently discovered in the direction of NGC 6819 belongs to the rare subset of Li-rich stars that have not yet evolved to the luminosi…