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Title: Far-infrared study of a few southern Galactic star forming regions
Authors: Ojha, D. K
Ghosh, S. K
Verma, R. P
Keywords: Galactic Star Forming;HIRES;Infrared Processing
Issue Date: Sep-2002
Publisher: Astronomical Society of India
Citation: BASI, Vol. 30, No. 3, pp. 647 - 648
Abstract: Simultaneous far-infrared observations at 130 and 200 pm of the southern Galactic star forming regions (associated with mAS 12326-6245, IRAS 17059-4132, !RAS 17160-3707 & IRAS 17233-3606) have been carried out using the TIFR 100 cm balloon-borne telescope. These far-infrared maps have a resolution of '" 1 arc min and show extended emission. Nearly identical beams in the two far-infrared bands have enabled us to determine the dust temperature and optical depth distribution in the star forming regions. The TIFR bands are sensitive to the distribution of cold « 30 K) dust. HIRES processed 1roages in four IRAS bands at 12, 25, 60 and 100 pm and the mid-infrared images from the MSX mission at 8.3, 12.1, 14.7 and 21.3 I'm have also been compared. Radiative transfer models have been explored to fit available observations (viz. SED, angular Si7£, etc) to extract various physical parameters of these star forming regions.
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