Understanding the dust properties in nearby galaxies

Marjorie Decleir; Maarten Baes; Ilse De Looze; Peter Camps

doi:10.25518/0037-9565.7790

Bulletin de la Société Royale des Sciences de Liège

0037-9565 1783-5720

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Marjorie Decleir, Maarten Baes, Ilse De Looze & Peter Camps

Understanding the dust properties in nearby galaxies

(Volume 87 - Année 2018 — Actes de colloques — First Belgo-Indian Network for Astronomy & Astrophysics (BINA) workshop - November 2016 - Nainital, India)

DOI: 10.25518/0037-9565.7790

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Mots-clés : astronomie, astrophysique, extragalactique, galaxies, infrarouge, poussière

Abstract

Dust is a crucial component in the interstellar medium of galaxies. It regulates several physical and chemical processes. Dust grains are also efficient at absorbing and scattering ultraviolet/optical photons and then re-radiating the absorbed energy in the infrared/submm wavelength range. The spatial distribution and properties of dust in galaxies can hence be investigated in two complementary ways: by its attenuation effects at short wavelengths, and by its thermal emission at long wavelengths. Both approaches have their advantages and challenges. In this contribution, we discuss a number of recent interesting results on interstellar dust in nearby galaxies, obtained by our research group at Ghent University.

Keywords : astronomy, astrophysics, dust, extragalactic, galaxies, infrared

Om dit artikel te citeren:

Marjorie Decleir, Maarten Baes, Ilse De Looze & Peter Camps, «Understanding the dust properties in nearby galaxies», Bulletin de la Société Royale des Sciences de Liège [En ligne], Volume 87 - Année 2018, Actes de colloques, First Belgo-Indian Network for Astronomy & Astrophysics (BINA) workshop - November 2016 - Nainital, India, 371 - 378 URL : http://popups.ulg.be/0037-9565/index.php?id=7790.