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High Velocity Stars in SDSS/APOGEE DR17
Fredi Quispe-Huaynasi, Fernando Roig, Devin J. McDonald +7
We report 23 stars having Galactocentric velocities larger than in the final data release of the APOGEE survey. This sample was generated using space velo…
BACCHUS Analysis of Weak Lines in APOGEE Spectra (BAWLAS)
Christian R. Hayes, Thomas Masseron, Jennifer Sobeck +11
Elements with weak and blended spectral features in stellar spectra are challenging to measure and require specialized analysis methods to precisely measure their chemical abundanc…
Multiplicity Statistics of Stars in the Sagittarius Dwarf Spheroidal Galaxy: Comparison to the Milky Way
Victoria Bonidie, Travis Court, Christine Mazzola Daher +17
We use time-resolved spectra from the Apache Point Observatory Galactic Evolution Experiment (APOGEE) to examine the distribution of radial velocity (RV) variations in 249 stars id…
The chemical characterisation of halo substructure in the Milky Way based on APOGEE
Danny Horta, Ricardo P. Schiavon, J. Ted Mackereth +21
Galactic haloes in a -CDM universe are predicted to host today a swarm of debris resulting from cannibalised dwarf galaxies. The chemo-dynamical information recorded in their st…
Quantifying radial migration in the Milky Way: Inefficient over short timescales but essential to the very outer disc beyond ~15 kpc
Jianhui Lian, Gail Zasowski, Sten Hasselquist +10
Stellar radial migration plays an important role in reshaping a galaxy's structure and the radial distribution of stellar population properties. In this work, we revisit reported o…
The Seventeenth Data Release of the Sloan Digital Sky Surveys: Complete Release of MaNGA, MaStar and APOGEE-2 Data
Abdurro'uf, Katherine Accetta, Conny Aerts +337
This paper documents the seventeenth data release (DR17) from the Sloan Digital Sky Surveys; the fifth and final release from the fourth phase (SDSS-IV). DR17 contains the complete…