Infrared Imaging Polarimetry of Massive Star-forming Regions
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Imaging polarimetry is a useful tool to reveal the 3D structure of dust distributions and to localize embedded young stellar objects. We present maps of the linear polarization at 2.2 micron for three ultra-compact HII regions (G192.16-3.82, G331.28-0.19, G339.88-1.26) and the methanol maser source G305.21+0.21. From the polarization maps, we draw conclusions on the morphology of these objects and the presence of luminous illuminating sources.
Presented at the IAOC Workshop on "Galactic Star Formation Across the Stellar Mass Spectrum" held in La Serena, Chile, March 2002; to be published in the ASP Conference Series, edited by J. M. De Buizer; an electronic copy of the poster can be obtained from http://www.tls-tautenburg.de/research/stecklum
Presented at the IAOC Workshop on "Galactic Star Formation Across the Stellar Mass Spectrum" held in La Serena, Chile, March 2002; to be published in the ASP Conference Series, edited by J. M. De Buizer; an electronic copy of the poster can be obtained from http://www.tls-tautenburg.de/research/stecklum