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Clusters of high-mass protostars: From extreme clouds to mini-bursts of star formation

Published online by Cambridge University Press:  31 March 2017

Frédérique Motte ,
Fabien Louvet  and
Quang Nguyễn Lu'o'ng
Frédérique Motte
Affiliation:
Institut de Planétologie et d'Astrophysique de Grenoble (IPAG), Univ. Grenoble Alpes - CNRS/INSU, BP 53, 38041 Grenoble Cedex 9, France email: frederique.motte@ujf-grenoble.fr Laboratoire AIM Paris-Saclay, CEA/IRFU - CNRS/INSU - Univ. Paris Diderot, Service d'Astrophysique, Bât. 709, CEA-Saclay, F-91191 Gif-sur-Yvette Cedex, France
Fabien Louvet
Affiliation:
Laboratoire franco-chilien d'astronomie (UMI-FCA), CNRS/INSU, France Departamento de Astronomía, Universidad de Chile, Camino El Observatorio #1515, Las Condes, Santiago, Chile
Quang Nguyễn Lu'o'ng
Affiliation:
National Astronomical Observatory of Japan, Chile Observatory, 2-21-1 Osawa, Mitaka, Tokyo 181-8588, Japan Canadian Institute for Theoretical Astrophysics, University of Toronto, 60 St. George Street, Toronto, ON M5S 3H8, Canada
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Abstract

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Herschel revealed high-density cloud filaments of several pc3, which are forming clusters of OB-type stars. Counting Herschel protostars gives a direct measure of the mass of stars forming in a period of ~105 yrs, the “instantaneous” star formation activity. Given their activity, these so-called mini-starburst cloud ridges could be seen as “miniature and instant models” of starburst galaxies. Their characteristics could shed light on the origin of massive clusters.

Keywords

stars: formationISM: structurestar clustersstarburst

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