The Progenitors of Dwarf Spheroidal Galaxies

@article{Grebel2002ThePO,
  title={The Progenitors of Dwarf Spheroidal Galaxies},
  author={E. K. Grebel and J. Gallagher and D. Harbeck},
  journal={The Astronomical Journal},
  year={2002},
  volume={125},
  pages={1926-1939}
}
  • E. K. Grebel, J. Gallagher, D. Harbeck
  • Published 2002
  • Physics
  • The Astronomical Journal
  • The gas-deficient dwarf spheroidal (dSph) galaxies present an evolutionary puzzle that we explore in 40 early-type and late-type dwarfs in the Local Group and nearby field. Although dSph’s experienced star formation over extended time spans in their youths, today all but one are completely free of detectable interstellar material, even in the Fornax dSph, where stars formed in the last 100 Myr. Combining photometric and spectroscopic stellar metallicity estimates for red giant branches with… CONTINUE READING

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