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High Angular Resolution Observations of the Collimated Jet Source Associated with a Massive Protostar in IRAS 16547-4247 | | L. F. Rodriguez
; G. Garay
; K. J. Brooks
; D. Mardones
; | | Date: |
16 Mar 2005 | | Journal: | Astrophys.J. 626 (2005) 953-958 | | Subject: | astro-ph | | Abstract: | A triple radio source recently detected in association with the luminous infrared source IRAS 16547-4247 has been studied with high angular resolution and high sensitivity with the Very Large Array at 3.6 and 2 cm. Our observations confirm the interpretation that the central object is a thermal radio jet, while the two outer lobes are most probably heavily obscured HH objects. The thermal radio jet is resolved angularly for the first time and found to align closely with the outer lobes. The opening angle of the thermal jet is estimated to be $sim 25^circ$, confirming that collimated outflows can also be present in massive protostars. The proper motions of the outer lobes should be measurable over timescales of a few years. Several fainter sources detected in the region are most probably associated with other stars in a young cluster. | | Source: | arXiv, astro-ph/0503333 | | Services: | Forum | Review | PDF | Favorites | |
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