The W3 molecular cloud core - Kinematics and /C-12/O line inversion reexamined

Details The W3 molecular cloud core - Kinematics and /C-12/O line inversion reexamined The W3 molecular cloud core - Kinematics and /C-12/O line inversion reexamined

Nov 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980apj...242..112b&link_type=abstract

Astrophysical Journal, Part 1, vol. 242, Nov. 15, 1980, p. 112-120.

Astronomy and Astrophysics

Astrophysics

30

Astronomical Spectroscopy, Carbon Monoxide, Molecular Clouds, Absorption Spectra, Astronomical Maps, Emission Spectra, Gas Dynamics, Kinematics

Scientific paper

High angular resolution CO and (C-13)O observations of the W3 molecular cloud are presented. Within the core at a radius of 0.6 pc, high-velocity line wings are observed to cover a full width of 20 km/s. At high resolution the red and blue wings are observed to arise from opposite sides of the core. It is suggested that the central region is undergoing either a rapid, differential rotation or an asymmetric radial motion. The 'absorption' dips previously noted in the (C-12)O emission from the core source are probably due to the much larger W3 molecular cloud rather than radiative transfer effects within the core itself.

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