Astronomy and Astrophysics – Astrophysics
Scientific paper
Jul 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981apj...247..104c&link_type=abstract
Astrophysical Journal, Part 1, vol. 247, July 1, 1981, p. 104-111. Research supported by the Research Corp.
Astronomy and Astrophysics
Astrophysics
31
Interstellar Gas, Interstellar Magnetic Fields, Molecular Clouds, Molecular Spectra, Spectral Line Width, Ammonia, Angular Momentum, Formaldehyde, Mass Transfer, Microwave Spectra, Radial Velocity
Scientific paper
Microwave spectral lines of several different molecules have been used as probes of a group of interstellar clouds which are located some 36 deg above the galactic plane. These data suggest that the group of clouds may represent fragments of an original larger cloud. At three identifiable scale sizes, the observed gas appears to have progressively less rotation than expected from simple conservation of angular momentum, implying the existence of a redistributing mechanism at an early epoch. Radial velocities for the inner 4 arcmin of L 134 and L 183 are interpreted as retrograde rotation of the core region in each object. Recent magnetic braking calculations are employed to explain the observed effects.
Clark Frank O.
Johnson Richard D.
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