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The Korean Astronomical Society (한국천문학회)
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STAR FORMATION RATE CALIBRATIONS FOR WISE LUMINOSITIES

  • Yuan, F.T. (Division of Particle and Astrophysical Sciences, Nagoya University) ;
  • Takeuchi, T.T (Division of Particle and Astrophysical Sciences, Nagoya University) ;
  • Buat, V. (Laboratoire d'Astrophysique de Marseille, OAMP, Universite Aix-Marseille) ;
  • Burgarella, D. (Laboratoire d'Astrophysique de Marseille, OAMP, Universite Aix-Marseille)
  • Received : 2012.06.30
  • Accepted : 2012.08.02
  • Published : 2012.09.16
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Abstract

Starting from an infrared selected GALEX-SDSS-2MASS-AKARI sample of local star forming galaxies, we built mock samples from redshift 0 to 2.5 to investigate star formation rate (SFR) calibrations using WISE luminosities. We find W3 and W4 band fluxes can indicate SFRs with small scatters when the rest-frame wavelengths are longer than ${\sim}6{\mu}m$. When the wavelength becomes shorter, the observed luminosities are more tightly connected to the emission of old stellar populations than dust, therefore lose the reliability to trace the SFR. The current SFR calibrations are consistent with previous studies.

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References

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