VLT-ISAAC observations of massive star-forming regions

Bringfried Stecklum, Thomas Henning, Dániel Apai, Hendrik Linz

Research output: Contribution to journalConference articlepeer-review


The high optical quality of ESO's ISAAC instrument at the 8.2-m ANTU VLT telescope and the good observing conditions at the Paranal site allow very detailed studies of southern massive star-forming regions. Our observations revealed their large degree of complexity. By means of near- and thermal-infrared images we performed a thorough characterisation of the embedded stellar population. Imaging polarimetry provided clues on the spatial distribution of the dust grains and the illuminating sources. Special emphasis was put on the most massive objects, young luminous stars that cause ultracompact HII regions.

Original languageEnglish (US)
Pages (from-to)337-344
Number of pages8
JournalProceedings of SPIE - The International Society for Optical Engineering
StatePublished - 2002
EventDiscoveries and Research Prospects from 6- to 10- Meter-Class telescopes II - Waikoloa, HI, United States
Duration: Aug 22 2002Aug 23 2002


  • Infrared imaging
  • Polarimetry
  • Ultracompact HII regions
  • Young stellar objects

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering


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