CHEMICAL CARTOGRAPHY with APOGEE: METALLICITY DISTRIBUTION FUNCTIONS and the CHEMICAL STRUCTURE of the MILKY WAY DISK

@article{Hayden2015CHEMICALCW,
  title={CHEMICAL CARTOGRAPHY with APOGEE: METALLICITY DISTRIBUTION FUNCTIONS and the CHEMICAL STRUCTURE of the MILKY WAY DISK},
  author={M. Hayden and J. Bovy and J. Holtzman and D. Nidever and J. Bird and D. Weinberg and B. Andrews and C. Prieto and F. Anders and T. Beers and D. Bizyaev and C. Chiappini and K. Cunha and P. Frinchaboy and D. A. Garc{\'i}a-Hern{\'a}ndez and A. P'erez and L. Girardi and P. Harding and F. Hearty and J. Johnson and S. Majewski and S. M{\'e}sz{\'a}ros and I. Minchev and R. O'Connell and K. Pan and Annie C.Robin and R. Schiavon and D. Schneider and M. Schultheis and M. Shetrone and M. Skrutskie and M. Steinmetz and V. Smith and O. Zamora and G. Zasowski},
  journal={The Astrophysical Journal},
  year={2015},
  volume={808},
  pages={132}
}
  • M. Hayden, J. Bovy, +32 authors G. Zasowski
  • Published 2015
  • Physics
  • The Astrophysical Journal
  • Using a sample of 69,919 red giants from the SDSS-III/APOGEE Data Release 12, we measure the distribution of stars in the [/Fe] versus [Fe/H] plane and the metallicity distribution functions (MDFs) across an unprecedented volume of the Milky Way disk, with radius 3 < R < 15 kpc and height kpc. Stars in the inner disk (R < 5 kpc) lie along a single track in [/Fe] versus [Fe/H], starting with -enhanced, metal-poor stars and ending at [/Fe] ∼ 0 and [Fe/H] ∼ +0.4. At larger radii we find two… CONTINUE READING
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