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http://dx.doi.org/10.5303/JKAS.2011.44.5.201

RADIO IMAGING OF THE NGC 1333 IRAS 4B REGION  

Choi, Min-Ho (Korea Astronomy and Space Science Institute)
Lee, Jeong-Eun (Department of Astronomy and Space Science, Kyung Hee University)
Publication Information
Journal of The Korean Astronomical Society / v.44, no.5, 2011 , pp. 201-208 More about this Journal
Abstract
The NGC 1333 IRAS 4B region is observed in the 6.9 mm and 1.3 cm continuum with an angular resolution of about 0.4 arcseconds. IRAS 4BI is detected in both bands, and BII is detected in the 6.9 mm continuum only. The 1.3 cm source of BI seems to be a disk-like flattened structure with a size of about 50 AU. IRAS 4BI does not show any sign of multiplicity. Examinations of archival infrared images show that the dominating emission feature in this region is a bright peak in the southern outflow driven by BI, corresponding to the molecular hydrogen emission source HL 9a. Both BI and BII are undetectable in the mid-IR bands. The upper limit on the far-IR flux of IRAS 4BII suggests that it may be a very low luminosity young stellar object.
Keywords
ISM: individual (NGC 1333 IRAS 4B); ISM: structure; stars: formation;
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