A warm molecular core associated with the compact H II region G34.3 + 0.2

Details A warm molecular core associated with the compact H II region G34.3 + 0.2 A warm molecular core associated with the compact H II region G34.3 + 0.2

Oct 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986a%26a...167l...1a&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 167, no. 1, Oct. 1986, p. L1-L4.

Astronomy and Astrophysics

Astronomy

23

Ammonia, H Ii Regions, Molecular Clouds, Radio Astronomy, Star Formation, Stellar Winds, Angular Resolution, Ionized Gases, Line Spectra, O Stars, Supernova Remnants

Scientific paper

The molecular cloud associated with the compact H II region G 34.3+0.2 has been observed in the (J,K) = (3,3) inversion line transition of ammonia with 6arcsec×3arcsec resolution. A small (0.21×0.05 pc), dense (≡6×105cm-3) and warm (≡60K) molecular cloud core is found just to the NE of the H II region. The LSR velocity is ≡60 km s-1 and the line width ≡6 km s-1. The relative positions and velocities of the molecular and ionized gas suggest that the H II region is in the 'champagne phase' of its evolution.

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