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The Dust Opacity of Star-Forming Galaxies

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arxiv astro-ph/0109035 v1 pith:Z32LBJCQ submitted 2001-09-03 astro-ph

classification astro-ph
keywords galaxiesdustopacityluminositymeasuresstellarabilityactivity
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Presence of dust in galaxies removes half or more of the stellar energy from the UV-optical budget of the Universe and has profound impact on our understanding of how galaxies evolve. Measures of opacity in local galaxies are reviewed together with widely used theoretical and empirical methods for quantifying its effects. Existing evidence shows that the dust content of nearby galaxies depends not only on their morphology, but also on their luminosity and activity level. A digression is devoted to starbursts in view of their potential relevance for measures of opacity in distant galaxies. Scarcity of coherent multiwavelength datasets hampers our ability to derive reliable obscuration estimates in intermediate and high redshift galaxies. This, in turn, limits the reliability of inferred physical quantities, such as star formation rates, stellar population ages, galaxy luminosity functions, and others.

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Cited by 4 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Hector Galaxy Survey: Linking the low- and high-mass ends of the initial mass function in star-forming galaxies

    astro-ph.GA 2026-06 unverdicted novelty 7.0 of 10

    Simultaneous measurement of low- and high-mass IMF slopes in 214 star-forming galaxies reveals diversity, weak correlation between ends, and links to stellar mass, star formation rate, and metallicity.

  2. A dominant population of optically invisible massive galaxies in the early Universe

    astro-ph.GA 2019-08 conditional novelty 7.0 of 10

    A sample of 39 ALMA-detected, optically invisible massive galaxies at z>3 shows that dark dusty galaxies dominate the massive galaxy population in the early universe.

  3. Mapping Dust Attenuation at Kiloparsec Scales. III. The 2175\AA\ Bump

    astro-ph.GA 2026-07 conditional novelty 6.0 of 10

    The 2175Å attenuation bump is strongest at low Σ_Hα/Σ_* (especially non-SF regions) while absolute strength tracks dust column, supporting local radiation-field processing of its carriers.

  4. Unveiling a cosmic tango: Integral field spectroscopy and numerical simulations of Arp 143's interaction

    astro-ph.GA 2026-06 unverdicted novelty 5.0 of 10

    New spectroscopy and simulations of Arp 143 suggest it formed via head-on collision between S0 and Sc galaxies following a flyby.

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