A Radial Age Gradient in the Geometrically Thick Disk of the Milky Way

Preprint, Article English OPEN
Martig, Marie; Minchev, Ivan; Ness, Melissa; Fouesneau, Morgan; Rix, Hans-Walter;
(2016)
  • Publisher: American Astronomical Society; IOP Publishing
  • Related identifiers: doi: 10.3847/0004-637X/831/2/139
  • Subject: QB | QC | QD | Astrophysics - Astrophysics of Galaxies
    arxiv: Astrophysics::Galaxy Astrophysics | Astrophysics::Cosmology and Extragalactic Astrophysics | Astrophysics::Earth and Planetary Astrophysics | Astrophysics::Solar and Stellar Astrophysics

In the Milky Way, the thick disk can be defined using individual stellar abundances, kinematics, or age; or geometrically, as stars high above the mid-plane. In nearby galaxies, where only a geometric definition can be used, thick disks appear to have large radial scale... View more
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