TY  - GEN
A1  - Hennemann, Martin
UR  - https://archiv.ub.uni-heidelberg.de/volltextserver/9027/
N2  - The lack of observations of the earliest stages in high-mass star formation motivated the selection of massive star-forming regions using the 170 µm ISOPHOT Serendipity Survey. The evaluation of comprehensive follow-up observations, covering near-infrared to (sub-)millimetre wavelengths, identifies massive clumps and characterises the star-forming content in detail. The clumps comprise a large fraction of cold dusty material at temperatures between 12 and 22 K, and several have masses of 100 solar masses or more. Star formation has initiated in every clump, as they harbour embedded sources detected in the mid-infrared that represent low- to intermediate-mass young stellar objects. One case study uses millimetre interferometry and discovers two compact cores of about 15 solar masses embedded in a massive clump. They are driving energetic outflows and may accrete at high rates, and thus represent examples for the first stages of forming intermediate- to high-mass stars. The importance of high spatial resolution in the infrared for the study of high-mass star formation drives dedicated observing programmes with the Herschel Space Observatory. Furthermore, an active part in the preparation of the JWST MIRI instrument was taken because in particular its unprecedented imaging capabilities will allow to constrain crucial properties of the investigated sources.
AV  - public
TI  - Multiwavelength observations of massive star-forming regions selected in the far-infrared
Y1  - 2008///
ID  - heidok9027
KW  - Star formation 
KW  -  Molecular clouds 
KW  -  Young stellar objects 
KW  -  Infrared instrumentation 
KW  -  Millimetre interferometry
ER  -