Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991apj...377..492h&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 377, Aug. 20, 1991, p. 492-499. Research supported by Japan Society for the
Astronomy and Astrophysics
Astronomy
13
Infrared Sources (Astronomy), Interstellar Gas, Molecular Clouds, Nebulae, Star Formation, Astronomical Maps, Carbon Monoxide, Far Infrared Radiation, Millimeter Waves, Radio Astronomy, Velocity Distribution
Scientific paper
The structures of the L723 region, a low-mass star-formation region, are described based on millimeter-line observations. The dark cloud of more than 100 solar masses extends in the east-west in (C-13)O J = 1-0 observation. The outflow from the FIR source has an east-west ridge seen in a wide velocity range, while the north-south components are narrower and prominent in higher velocity ranges. The geometry and the velocity field of these four ridges show remarkable symmetry with respect to the FIR. The mass of the gaseous condensation should suffice to provide the mass and the momentum of the molecular outflow. The outer envelope of CS that stretches along the bright CO ridges indicates strong coupling between the outflow and the protostellar disk.
Hasegawa Tetsuo
Hayashi Saeko Suzuki
Kaifu Norio
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