Astronomy and Astrophysics – Astronomy
Scientific paper
May 1978
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978apj...221..816r&link_type=abstract
Astrophysical Journal, Part 1, vol. 221, May 1, 1978, p. 816-824.
Astronomy and Astrophysics
Astronomy
14
Far Infrared Radiation, H Ii Regions, Infrared Astronomy, Nebulae, Radio Sources (Astronomy), Angular Resolution, Astronomical Maps, Hydrogen Ions, Infrared Spectroscopy, Position Errors, Radiant Flux Density
Scientific paper
Nine galactic H II regions were mapped at 23.4 GHz (13 mm) with an angular resolution of 80 arcsec and a positional accuracy of 15 arcsec. The integrated flux densities agree with the expected values extrapolated from lower-frequency observations. The positions and deconvolved Gaussian angular sizes permit a derivation and discussion of the physical parameters of several heretofore unstudied source components. A comparison with similarly resolved far-infrared maps suggests that the far-infrared emission arises generally from both inside and outside the ionized volume and that strong dust depletion, if present at all, is confined to an inner fraction of the Stroemgren radius.
Chaisson Eric. J.
Rodriguez Luis F.
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