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Exploring the Galactic Warp Through Asymmetries in the Kinematics of the Galactic Disk
Xinlun Cheng, Borja Anguiano, Steven R. Majewski +10
Previous analyses of large databases of Milky Way stars have revealed the stellar disk of our Galaxy to be warped and that this imparts a strong signature on the kinematics of star…
Open Cluster Chemical Homogeneity Throughout the Milky Way
Vijith Jacob Poovelil, G. Zasowski, S. Hasselquist +10
The chemical homogeneity of surviving stellar clusters contains important clues about interstellar medium (ISM) mixing efficiency, star formation, and the enrichment history of the…
The Close Binary Fraction as a Function of Stellar Parameters in APOGEE: A Strong Anti-Correlation With Abundances
Christine N. Mazzola, Carles Badenes, Maxwell Moe +20
We use observations from the APOGEE survey to explore the relationship between stellar parameters and multiplicity. We combine high-resolution repeat spectroscopy for 41,363 dwarf…
The Completed SDSS-IV extended Baryon Oscillation Spectroscopic Survey: Cosmological Implications from two Decades of Spectroscopic Surveys at the Apache Point observatory
eBOSS Collaboration, Shadab Alam, Marie Aubert +97
We present the cosmological implications from final measurements of clustering using galaxies, quasars, and Ly forests from the completed Sloan Digital Sky Survey (SDSS) lineage…
Strong chemical tagging with APOGEE: 21 candidate star clusters that have dissolved across the Milky Way disc
Natalie Price-Jones, Jo Bovy, Jeremy J. Webb +12
Chemically tagging groups of stars born in the same birth cluster is a major goal of spectroscopic surveys. To investigate the feasibility of such strong chemical tagging, we perfo…
The Open Cluster Chemical Abundances and Mapping Survey: IV. Abundances for 128 Open Clusters using SDSS/APOGEE DR16
John Donor, Peter M. Frinchaboy, Katia Cunha +22
The Open Cluster Chemical Abundances and Mapping (OCCAM) survey aims to constrain key Galactic dynamical and chemical evolution parameters by the construction of a large, comprehen…