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Dust content of Virgo Star-Forming Dwarf Galaxies

Grossi, M., Hunt, L. K., Madden, S., Vlahakis, C., Bomans, D. J., Baes, M., Bendo, G. J., Bianchi, S., Boselli, A., Clemens, M., 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., Hughes, T. M., Jones, A. P., Pierini, D., Pohlen, M., Sabatini, S., Smith, Matthew, Verstappen, J., Xilouris, E. M. and Zibetti, S. 2012. Dust content of Virgo Star-Forming Dwarf Galaxies. Presented at: Joint European and National Astronomy Meeting 2010, Lisbon, Portugal, 6-10 September 2010. Published in: Papaderos, P, Recchi, S and Hensler, G eds. Dwarf Galaxies: Keys to Galaxy Formation and Evolution. Astrophysics and Space Science Proceedings Berlin: Springer, pp. 289-293. 10.1007/978-3-642-22018-0_34

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Abstract

We investigate the dust properties of a small sample of Virgo cluster dwarf galaxies drawn from the science demonstration phase data set of the Herschel Virgo Cluster Survey (HeViCS). These galaxies have low metallicities ( 7.8<12+log(O/H)<8.37.8<12+log(O/H)<8.3 ) and star formation rates ≲≲ 0.1 M⊙ yr−1. We measure the spectral energy distribution (SED) from 100 to 500 μm and derive dust temperatures and masses. The SEDs are fitted by a cool component with T≲20T≲20 K, implying dust masses around 105 M⊙ and dust-to-gas ratios ( DD ) within the range 10−3–10−2.

Item Type: Conference or Workshop Item (Paper)
Date Type: Publication
Status: Published
Schools: Physics and Astronomy
Subjects: Q Science > QB Astronomy
Publisher: Springer
ISBN: 9783642220173
ISSN: 1570-6591
Last Modified: 08 Dec 2017 15:27
URI: http://orca.cf.ac.uk/id/eprint/107382

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