When the Milky Way turned off the lights: APOGEE provides evidence of star formation quenching in our Galaxy

@article{Haywood2016WhenTM,
  title={When the Milky Way turned off the lights: APOGEE provides evidence of star formation quenching in our Galaxy},
  author={M. Haywood and M. Lehnert and P. D. Matteo and O. Snaith and M. Schultheis and D. Katz and A. Gomez},
  journal={Astronomy and Astrophysics},
  year={2016},
  volume={589}
}
  • M. Haywood, M. Lehnert, +4 authors A. Gomez
  • Published 2016
  • Physics
  • Astronomy and Astrophysics
    • Quenching, the cessation of star formation, is one of the most significant events in the life cycle of galaxies. We show here the first evidence that the Milky Way experienced a generalised quenching of its star formation at the end of its thick disk formation $\sim$9 Gyr ago. Elemental abundances of stars studied as part of the APOGEE survey reveal indeed that in less than $\sim$2 Gyr the star formation rate in our Galaxy dropped by an order-of-magnitude. Because of the tight correlation… CONTINUE READING
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