The many faces of LINER-like galaxies: a WISE view

@article{Herpich2016TheMF,
  title={The many faces of LINER-like galaxies: a WISE view},
  author={F{\'a}bio Rafael Herpich and Ab{\'i}lio Mateus and Gra.zyna Stasi'nska and Roberto Cid Fernandes and N. Vale Asari Ufsc and Brazil. and Luth and Observatoire de Paris and France.},
  journal={Monthly Notices of the Royal Astronomical Society},
  year={2016},
  volume={462},
  pages={1826-1833}
}
  • Fábio Rafael Herpich, Abílio Mateus, +6 authors France.
  • Published 2016
  • Physics
  • Monthly Notices of the Royal Astronomical Society
  • We use the SDSS and WISE surveys to investigate the real nature of galaxies defined as LINERs in the BPT diagram. After establishing a mid-infrared colour W2-W3 = 2.5 as the optimal separator between galaxies with and without star formation, we investigate the loci of different galaxy classes in the W_{Ha} versus W2-W3 space. We find that: (1) A large fraction of LINER-like galaxies are emission-line retired galaxies, i.e galaxies which have stopped forming stars and are powered by hot low-mass… CONTINUE READING

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