Observational characteristics of dense cores with deeply embedded young protostars

Stamatellos, Dimitrios, Whitworth, Anthony Peter ORCID: https://orcid.org/0000-0002-1178-5486 and Goodwin, Simon Paul 2005. Observational characteristics of dense cores with deeply embedded young protostars. Astronomische Nachrichten 326 (10) , pp. 882-885. 10.1002/asna.200510453

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Abstract

Class 0 objects, which are thought to be the youngest protostars, are identified in terms of NIR or radio emission and/or the presence of molecular outflows. We present combined hydrodynamic and radiative transfer simulations of the collapse of a star-forming molecular core, which suggest two criteria for identifying dense cores with deeply embedded very young protostars that may not be observable in the NIR or radio with current telescopes. We find that cores with protostars are relatively warm (T > 15 K) with their SEDs peaking at wavelengths <170 µm, and they tend to appear circular.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Physics and Astronomy
Subjects:	Q Science > QB Astronomy
Uncontrolled Keywords:	stars: formation; ISM: clouds; dust, extinction; methods: numerical; radiative transfer; hydrodynamics
Publisher:	Wiley
ISSN:	0004-6337
Last Modified:	24 Oct 2022 10:59
URI:	https://orca.cardiff.ac.uk/id/eprint/46572

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