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astro-ph.GA2024
A Comprehensive Study of Open Cluster Chemical Homogeneity using APOGEE and Milky Way Mapper Abundances
Amaya Sinha, Gail Zasowski, Peter Frinchaboy +4
Stars in an open cluster are assumed to have formed from a broadly homogeneous distribution of gas, implying that they should be chemically homogeneous. Quantifying the level to wh…
astro-ph.SR2024
The Brown Dwarf Kinematics Project (BDKP). VI. Ultracool Dwarf Radial and Rotational Velocities from SDSS/APOGEE High-resolution Spectroscopy
Chih-Chun Hsu, Adam J. Burgasser, Christopher A. Theissen +11
We present precise measurements of radial (RV) and projected rotational () velocities, effective temperatures, and surface gravities of a sample of 258 M6 to L2 dwarfs wi…