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A (Sub)Millimeter survey of massive star-forming regions identified by the ISOPHOT Serendipity Survey (ISOSS)

Published online by Cambridge University Press:  01 August 2006

Martin Hennemann ,
Stephan M. Birkmann ,
Oliver Krause  and
Dietrich Lemke
Martin Hennemann
Affiliation:
Max-Planck-Institut fuer Astronomie, Koenigstuhl 17, Heidelberg, Germany email: hennemann@mpia.de
Stephan M. Birkmann
Affiliation:
Max-Planck-Institut fuer Astronomie, Koenigstuhl 17, Heidelberg, Germany email: hennemann@mpia.de
Oliver Krause
Affiliation:
Max-Planck-Institut fuer Astronomie, Koenigstuhl 17, Heidelberg, Germany email: hennemann@mpia.de
Dietrich Lemke
Affiliation:
Max-Planck-Institut fuer Astronomie, Koenigstuhl 17, Heidelberg, Germany email: hennemann@mpia.de
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Abstract

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A sample of potential massive starforming regions identified at 170 m by ISO was observed in the submillimeter and millimeter regime. These observations allow us to infer physical properties of the molecular cloud cores. Two sources are presented in detail: ISOSS J23053+5953 and J183640221 show viable candidates for massive protocluster cores. Our analysis shows very low temperatures and low levels of turbulence of the major mass fraction in the molecular cloud cores besides active star formation at an early evolutionary stage. These conditions seem similar to the low mass case and may precede phases of luminous infrared emission observed towards young massive protostars.

Keywords

stars: formation
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 2 , Symposium S237: Triggered Star Formation in a Turbulent ISM , August 2006 , pp. 424
Copyright
Copyright © International Astronomical Union 2007