Dependence of Dust Obscuration on Star Formation Rates in Galaxies

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dc.creatorAfonso, J.
dc.creatorHopkins, A.
dc.creatorMobasher, B.
dc.creatorAlmeida, C.
dc.date2003-07-09
dc.date.accessioned2026-07-07T12:16:22Z
dc.date.available2026-07-07T12:16:22Z
dc.descriptionMany investigations of star formation rates (SFRs) in galaxies have explored details of dust obscuration, with a number of recent analyses suggesting that obscuration appears to increase in systems with high rates of star formation. To date these analyses have been primarily based on nearby (z < 0.03) or UV selected samples. Using 1.4 GHz imaging and optical spectroscopic data from the Phoenix Deep Survey, the SFR-dependent obscuration is explored. The use of a radio selected sample shows that previous studies exploring SFR-dependent obscurations have been biased against obscured galaxies. The observed relation between obscuration and SFR is found to be unsuitable to be used as an obscuration measure for individual galaxies. Nevertheless, it is shown to be successful as a first order correction for large samples of galaxies where no other measure of obscuration is available, out to intermediate redshifts (z ~ 0.8).
dc.description9 pages (including 5 encapsulated postscript figures), aastex, uses emulateapj5.sty. Accepted for publication in ApJ
dc.identifierhttps://arxiv.org/abs/astro-ph/0307175
dc.identifierhttp://arxiv.org/abs/astro-ph/0307175
dc.identifierAstrophys.J.597:269-273,2003
dc.identifierdoi:10.1086/378256
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/211778
dc.subjectAstrophysics
dc.titleDependence of Dust Obscuration on Star Formation Rates in Galaxies
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