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  1. OA@INAF
  2. PRODOTTI RICERCA INAF
  3. 1 CONTRIBUTI IN RIVISTE (Journal articles)
  4. 1.01 Articoli in rivista
Please use this identifier to cite or link to this item: http://hdl.handle.net/20.500.12386/30437
Title: Evidence of a large-scale positive rotation-metallicity correlation in the Galactic thick disc
Authors: RE FIORENTIN, Paola 
LATTANZI, Mario Gilberto 
SPAGNA, Alessandro 
Issue Date: 2019
Journal: MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 
Number: 484
Issue: 1
First Page: L69
Abstract: This study is based on high quality astrometric and spectroscopic data from the most recent releases by Gaia and APOGEE. We select 58 882 thin and thick disc red giants in the Galactocentric (cylindrical) distance range 5 < R < 13 kpc and within |z| < 3 kpc, for which full chemo-kinematical information is available. Radial chemical gradients, partial {[M/H]} / partial {R}, and rotational velocity-metallicity correlations, partial V_φ / partial {[M/H]}, are re-derived firmly uncovering that the thick disc velocity-metallicity correlation maintains its positiveness over the 8 kpc range explored. This observational result is important as it sets experimental constraints on recent theoretical studies on the formation and evolution of the Milky Way disc and on cosmological models of Galaxy formation.
URI: http://hdl.handle.net/20.500.12386/30437
URL: http://arxiv.org/abs/1810.07643v1
https://academic.oup.com/mnrasl/article/484/1/L69/5142291
ISSN: 0035-8711
DOI: 10.1093/mnrasl/sly198
Bibcode ADS: 2019MNRAS.484L..69R
Fulltext: open
Appears in Collections:1.01 Articoli in rivista

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