Astronomy and Astrophysics – Astronomy
Scientific paper
Sep 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005aipc..784..736h&link_type=abstract
MAGNETIC FIELDS IN THE UNIVERSE: From Laboratory and Stars to Primordial Structures. AIP Conference Proceedings, Volume 784, pp
Astronomy and Astrophysics
Astronomy
Interstellar Matter, Interstellar Magnetic Fields, Stellar Polarimetry, Infrared Sources (Astronomical), Radiosources (Astronomical), Pre-Main-Sequence Stars, Star Formation, Physical Properties, Polarimetry, Infrared, Radio, Microwave, Jets, Outflows And Bipolar Flows
Scientific paper
In this work, we combine observations of optical linear polarization (R band), IRAS far-infrared images and radio molecular lines to investigate the cometary globule CG30 (at IRAS Vela Shell). CG30 shows Herbig-Haro objects, molecular outflows, hosts a very young binary star and has a star formation efficiency of about 6% to 17%. Its magnetic field is important to support the CG structure and shows evidence of torsion and compression of the field lines. The quadrupolar outflow of the binary star affects the temperature of the molecular gas, and changes the degree of polarization of the dust grains in the environment of CG30. This work is based on observations collected at LNA/CNPq, Brazil and SEST/ESO, Chile.
Hickel Gabriel R.
Vilas-Boas Jose W. S.
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