Aperture synthesis of the formaldehyde absorption in the direction of W3

Details Aperture synthesis of the formaldehyde absorption in the direction of W3 Aperture synthesis of the formaldehyde absorption in the direction of W3

Dec 1974

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1974mnras.169p..59w&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 169, Dec. 1974, p. 59P-62P.

Astronomy and Astrophysics

Astronomy

3

Formaldehyde, Interstellar Matter, Molecular Absorption, Radio Sources (Astronomy), Absorption Spectra, Apertures, Astronomical Maps, Cosmic Dust, H Ii Regions, Microwave Emission, Thermal Emission

Scientific paper

Aperture synthesis of the H2CO absorption in the direction of W3 has been carried out with a resolution of 20 arc sec. The absorption against a number of continuum maxima believed to be compact H II regions shows a uniformity in optical depth and velocity. This suggests that the absorption occurs in a single H2CO cloud rather than in separate clouds associated with the dense dust envelopes of the H II regions.

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