activity
20132024
most citedThe Eleventh and Twelfth Data Releases of the Sloan Digital Sky Survey: Final Data from SDSS-III

2.5k citations · 11.8k across the 57 of their papers we have counts for

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Showing 2019Show all

6 papers · 1 filter

astro-ph.GA2019★ 86 cited

Spatial variations in the Milky Way disc metallicity-age relation

Diane K. Feuillet, Neige Frankel, Karin Lind +5

Stellar ages are a crucial component to studying the evolution of the Milky Way. Using Gaia DR2 distance estimates, it is now possible to estimate stellar ages for a larger volume…

astro-ph.SR2019★ 33 cited

The K2 Galactic Caps Project -- Going Beyond the \textit{Kepler} Field and Ageing the Galactic Disc

B. M. Rendle, A. Miglio, C. Chiappini +21

Analyses of data from spectroscopic and astrometric surveys have led to conflicting results concerning the vertical characteristics of the Milky Way. Ages are often used to provide…

astro-ph.IM2019★ 7 cited

4MOST Scientific Operations

C. J. Walcher, M. Banerji, C. Battistini +65

The 4MOST instrument is a multi-object spectrograph that will address Galactic and extragalactic science cases simultaneously by observing targets from a large number of different…

astro-ph.IM2019★ 311 cited

4MOST: Project overview and information for the First Call for Proposals

R. S. de Jong, O. Agertz, A. Agudo Berbel +335

We introduce the 4-metre Multi-Object Spectroscopic Telescope (4MOST), a new high-multiplex, wide-field spectroscopic survey facility under development for the four-metre-class Vis…

astro-ph.GA2019★ 218 cited

Dynamical heating across the Milky Way disc using APOGEE and

J. Ted Mackereth, Jo Bovy, Henry W. Leung +14

The kinematics of the Milky Way disc as a function of age are well measured at the solar radius, but have not been studied over a wider range of Galactocentric radii. Here, we meas…

astro-ph.GA2019★ 123 cited

The Lazy Giants: APOGEE Abundances Reveal Low Star Formation Efficiencies in the Magellanic Clouds

David L. Nidever, Sten Hasselquist, Christian R. Hayes +28

We report the first APOGEE metallicities and alpha-element abundances measured for 3600 red giant stars spanning a large radial range of both the Large (LMC) and Small Magellanic C…