• DOI:10.1093/mnras/staa1346
Corpus ID: 218596235

Carbon stars as standard candles: I. The luminosity function of carbon stars in the Magellanic Clouds

@article{Ripoche2020CarbonSA,
  title={Carbon stars as standard candles: I. The luminosity function of carbon stars in the Magellanic Clouds},
  author={P. Ripoche and J. Heyl and J. Parada and H. Richer},
  journal={Monthly Notices of the Royal Astronomical Society},
  year={2020},
  volume={495},
  pages={2858-2866}
}

P. Ripoche, J. Heyl, +1 author H. Richer

Published 2020

Physics

Monthly Notices of the Royal Astronomical Society

Our goal in this paper is to derive a carbon-star luminosity function that will eventually be used to determine distances to galaxies at $50$-$60$ Mpc and hence yield a value of the Hubble constant. Cool N-type carbon stars exhibit redder near-infrared colours than oxygen-rich stars. Using Two Micron All Sky Survey near-infrared photometry and the Gaia Data Release 2, we identify carbon stars in the Magellanic Clouds (MC) and the Milky Way (MW). Carbon stars in the MC appear as a distinct… CONTINUE READING

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