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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…
Detailed Abundances of Stars with Small Planets Discovered by Kepler I: The First Sample
Simon C. Schuler, Zachary A. Vaz, Orlando J. Katime Santrich +7
We present newly derived stellar parameters and the detailed abundances of 19 elements of seven stars with small planets discovered by NASA's Kepler Mission. Each star save one has…
ASPCAP: The Apogee Stellar Parameter and Chemical Abundances Pipeline
Ana E. García Pérez, Carlos Allende Prieto, Jon A. Holtzman +27
The Apache Point Observatory Galactic Evolution Experiment (APOGEE) has built the largest moderately high-resolution (R=22, 500) spectroscopic map of the stars across the Milky Way…
Hubble Space Telescope Near-Ultraviolet Spectroscopy of Bright CEMP-s Stars
Vinicius M. Placco, Timothy C. Beers, Inese I. Ivans +14
We present an elemental-abundance analysis, in the near-ultraviolet (NUV) spectral range, for the bright carbon-enhanced metal-poor (CEMP) stars HD196944 (V = 8.40, [Fe/H] = -2.41)…
Chemical Cartography with APOGEE: Metallicity Distribution Functions and the Chemical Structure of the Milky Way Disk
Michael R. Hayden, Jo Bovy, Jon A. Holtzman +32
Using a sample of 69,919 red giants from the SDSS-III/APOGEE Data Release 12, we measure the distribution of stars in the [/Fe] vs. [Fe/H] plane and the metallicity distribution…
The APOGEE Spectroscopic Survey of Kepler Planet Hosts: Feasibility, Efficiency, and First Results
Scott W. Fleming, Suvrath Mahadevan, Rohit Deshpande +33
The Kepler mission has yielded a large number of planet candidates from among the Kepler Objects of Interest (KOIs), but spectroscopic follow-up of these relatively faint stars is…
Abundance Differences Between Exoplanet Binary Host Stars XO-2N and XO-2S -- Dependence on Stellar Parameters
Johanna K. Teske, Luan Ghezzi, Katia Cunha +3
The chemical composition of exoplanet host stars is an important factor in understanding the formation and characteristics of their orbiting planets. The best example of this to da…
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…
Abundances, Stellar Parameters, and Spectra From the SDSS-III/APOGEE Survey
Jon A. Holtzman, Matthew Shetrone, Jennifer A. Johnson +39
The SDSS-III/APOGEE survey operated from 2011-2014 using the APOGEE spectrograph, which collects high-resolution (R~22,500), near-IR (1.51-1.70 microns) spectra with a multiplexing…
Exploring Anticorrelations and Light Element Variations in Northern Globular Clusters Observed by the APOGEE Survey
Szabolcs Meszaros, Sarah L. Martell, Matthew Shetrone +20
We investigate the light-element behavior of red giant stars in Northern globular clusters (GCs) observed by the SDSS-III Apache Point Observatory Galactic Evolution Experiment (AP…