The herschel virgo cluster survey: III. A constraint on dust grain lifetime in early-type galaxies

M.S. Clemens, A.P. Jones, A. Bressan, M. Baes, G.J. Bendo, S. Bianchi, D.J. Bomans, A. Boselli, E. Corbelli, Luca Cortese, A. Dariush, J.I. Davies, I. De Looze, S. Di Serego Alighieri, D. Fadda, J. Fritz, D.A. Garcia-Appadoo, G. Gavazzi, C. Giovanardi, M. GrossiT.M. Hughes, L.K. Hunt, S. Madden, D. Pierini, M. Pohlen, S. Sabatini, M.W.L. Smith, J. Verstappen, C. Vlahakis, E.M. Xilouris, S. Zibetti

    Research output: Contribution to journalArticle

    43 Citations (Scopus)

    Abstract

    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 survival time in the hostile environment of ETGs of
    Original languageEnglish
    Pages (from-to)4
    JournalAstronomy and Astrophysics
    Volume518
    Issue number4
    DOIs
    Publication statusPublished - 2010

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