NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-08-18 T02:34:03 PDT
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For refcode 2010A&A...518L..50C:
Retrieve 13 NED objects in this reference.
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Copyright by European Southern Observatory (ESO). Reproduced by permission
2010A&A...518L..50C The Herschel Virgo Cluster Survey. III. A constraint on dust grain lifetime in early-type galaxies Clemens, M. S.; Jones, A. P.; Bressan, A.; Baes, M.; Bendo, G. J.; Bianchi, S.; Bomans, D. J.; Boselli, A.; Corbelli, E.; Cortese, L.; Dariush, A.; Davies, J. I.; de Looze, I.; di Serego Alighieri, S.; Fadda, D.; Fritz, J.; Garcia-Appadoo, D. A.; Gavazzi, G.; Giovanardi, C.; Grossi, M.; Hughes, T. M.; Hunt, L. K.; Madden, S.; Pierini, D.; Pohlen, M.; Sabatini, S.; Smith, M. W. L.; Verstappen, J.; Vlahakis, C.; Xilouris, E. M.; Zibetti, S. 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 <46+/-25 Myr for amorphous silicate grains. This implies that ETGs which are detected at far-infrared wavelengths have acquired a cool dusty medium via interaction. Given likely time-scales for ram-pressure stripping, this also implies that only galaxies with dust in a cool (atomic) medium can release dust into the intra-cluster medium. Key words: galaxies: elliptical and lenticular, cD, galaxies: ISM, infrared: galaxies
Retrieve 13 NED objects in this reference.
Please click here for ADS abstract

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