The Herschel Virgo Cluster Survey. III. A constraint on dust grain lifetime in early-type galaxies

  title={The Herschel Virgo Cluster Survey. III. A constraint on dust grain lifetime in early-type galaxies},
  author={M. Clemens and A. P. Jones and A. Bressan and M. Baes and G. Bendo and S. Bianchi and D. Bomans and A. Boselli and E. Corbelli and L. Cortese and A. Dariush and J. Davies and I. D. Looze and S. D. Alighieri and D. Fadda and J. Fritz and D. Garcia-Appadoo and G. Gavazzi and C. Giovanardi and M. Grossi and T. Hughes and L. Hunt and S. Madden and D. Pierini and M. Pohlen and S. Sabatini and M. Smith and J. Verstappen and C. Vlahakis and E. Xilouris and S. Zibetti},
  journal={Astronomy and Astrophysics},
  • M. Clemens, A. P. Jones, +28 authors S. Zibetti
  • Published 2010
  • Physics
  • Astronomy and Astrophysics
  • Passive early-type galaxies (ETGs) provide an ideal laboratory for studying the interplay between dust formation around evolved stars and its subsequent destruction in a hot gas. Using Spitzer-IRS and Herschel data we compare the dust production rate in the envelopes of evolved AGB stars with a constraint on the total dust mass. Early-type galaxies which appear to be truly passively evolving are not detected by Herschel. We thus derive a distance independent upper limit to the dust grain… CONTINUE READING
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