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Metallicity distribution function

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The Metallicity distribution function is an important concept in stellar and galactic evolution. It is a curve of what proportion of stars have a particular metallicity ([Fe/H], the relative abundance of iron and hydrogen) of a population of stars such as in a cluster or galaxy. [1][2][3][4][5][6][7]

MDFs are used to test different theories of galactic evolution. Much of the iron in a star will have come from earlier type Ia supernovae. Other [alpha] metals can be produced in core collapse supernovae.[8][9]

References

  1. ^ Deriving the Metallicity distribution function of galactic systems
  2. ^ The Metallicity Distribution Function in the disc of the Milky Way and near the Sun
  3. ^ The Metallicity Distribution Function of ω Centauri
  4. ^ The Metallicity Distribution Function of the Halo of the Milky Way
  5. ^ The Metallicity Distribution Function of Field Stars in M31's Bulge
  6. ^ The Metallicity Distribution Functions of SEGUE G and K dwarfs: Constraints for Disk Chemical Evolution and Formation
  7. ^ Yong, David; Norris, John E.; Bessell, M. S.; Christlieb, N.; Asplund, M.; Beers, Timothy C.; Barklem, P. S.; Frebel, Anna; Ryan, S. G. (1 January 2013). "The Most Metal-Poor Stars. III. The Metallicity Distribution Function and CEMP Fraction". 762 (1): 27. arXiv:1208.3016. Bibcode:2013ApJ...762...27Y. doi:10.1088/0004-637X/762/1/27. Retrieved 3 March 2017 – via arXiv.org. {{cite journal}}: Cite journal requires |journal= (help)
  8. ^ "Chemical evolution models". bas.bg. Retrieved 3 March 2017.
  9. ^ Lai, David K.; Young Sun Lee; Bolte, Michael; Lucatello, Sara; Beers, Timothy C.; Johnson, Jennifer A.; Sivarani, Thirupathi; Rockosi, Constance M. (2011). "The [Fe/H], [C/Fe], and [alpha/Fe] distributions of the Bootes I Dwarf Spheroidal Galaxy". The Astrophysical Journal. 738: 51. arXiv:1106.2168. Bibcode:2011ApJ...738...51L. doi:10.1088/0004-637X/738/1/51.

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