Astronomy and Astrophysics – Astronomy
Scientific paper
Oct 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982mnras.201..121b&link_type=abstract
Monthly Notices of the Royal Astronomical Society, vol. 201, Oct. 1982, p. 121-125.
Astronomy and Astrophysics
Astronomy
16
Ammonia, Astronomical Spectroscopy, Molecular Clouds, Velocity Distribution, Water Masers, Astronomical Maps, Carbon Monoxide
Scientific paper
Observations of the NH3 (1, 1) and (2, 2) inversion transitions made with a 2.3-arcmin beam reveal the molecular cloud G35.2-0.74 to possess an interesting velocity structure. To the north, near an H2O maser, the source is observed as a single component. To the south, around a red nebulosity, the NH3 spectra are split into two components with a separation 3 km/s. This splitting is of significance because it represents very clear evidence that, in this cloud at least, systematic velocity motion is an important factor in determining the observed velocity dispersion.
Brown Thad A.
Little Leslie T.
Macdonald G. H.
Matheson David N.
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