Infrared studies of H II regions and dust clouds near K3-50

Details Infrared studies of H II regions and dust clouds near K3-50 Infrared studies of H II regions and dust clouds near K3-50

May 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977mnras.179..255w&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 179, May 1977, p. 255-264.

Astronomy and Astrophysics

Astronomy

42

Cosmic Dust, H Ii Regions, Infrared Radiation, Nebulae, Radio Sources (Astronomy), Astronomical Maps, Condensation, Hydrogen Ions, Hydroxyl Emission, Interstellar Extinction, Spectral Energy Distribution

Scientific paper

Ground-based infrared observations of the K3-50 region are reported at wavelengths between 2 and 34 microns as well as at 1 mm. The main results are that (1) the visible nebular K3-50 is displaced from its infrared and radio counterparts; (2) component Cl (the OH source ON-3) appears very faint at wavelengths not exceeding 20 microns and is therefore probably obscured by several hundred magnitudes of visual extinction; (3) both K3-50 and component C are associated with separate condensations of molecular hydrogen, each of about 3000 solar masses; and (4) there are no strong sources in this region at 20 microns other than those associated with H II condensations.

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