The rotating interstellar disc in G35.2-0.74

Details The rotating interstellar disc in G35.2-0.74 The rotating interstellar disc in G35.2-0.74

Nov 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985mnras.217..227l&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 217, Nov. 1, 1985, p. 227-238.

Astronomy and Astrophysics

Astronomy

31

Molecular Clouds, Radio Sources (Astronomy), Stellar Winds, Ammonia, Astronomical Maps, Astronomical Models, Infrared Stars, Mass Distribution, Rotating Disks

Scientific paper

Maps of NH3 (1,1) and (2,2) inversion line emission from the molecular cloud G35.2N have been made at 40-arcsec resolution with the 100-m Effelsberg telescope and at 7-arcsec resolution with the VLA. The source is revealed as a large rotating disc, viewed edge-on, of diameter 1.8 pc. Near the centre of this outer structure is a more dense coaxial rotating inner disc (diameter ≡0.4 pc, thickness ≤0.08 pc) of mass ≡150 M_sun;. A comparison of the (1,1) and (2,2) emission from the inner disc shows that its average density decreases towards the centre, while its temperature rises from ≡25 to >100K. It appears that the inner disc is capable of channelling the bipolar outflow from the central source observed in CO.

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