Molecular gas in the core of W43 (G30.8+0.0)

Details Molecular gas in the core of W43 (G30.8+0.0) Molecular gas in the core of W43 (G30.8+0.0)

Mar 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995aj....109.1204l&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 109, no. 3, p. 1204-1210

Astronomy and Astrophysics

Astronomy

11

Emission Spectra, H Ii Regions, Kinematics, Molecular Clouds, Molecular Spectra, Optical Thickness, Radio Observation, Morphology, Opacity, Radio Astronomy, Spectrum Analysis, Star Formation, Velocity Distribution

Scientific paper

We mapped J = 1 - 0 HCO(+) and (13)CO emission over a 16 arcmin (30 pc ) region around the core of W43, a distant (7 kpc ), giant H II region in the galactic plane at l = 30.8 deg.There is about 106 solar mass of molecular material present over the 80-107 km/s velocity range associated with the nebula. The structure of the molecular gas around the H II region is characterized by a North-South front-back separation and by a series of at least 4 shells or loops having characteristic sizes of 5-15 pc and 5-15 km/s line splittings. The molecular gas both envelopes and is disturbed by the star formation in W43.

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