Optical polarization studies of Herbig-Haro objects. VII - HH120 in the cometary globule CG30

Details Optical polarization studies of Herbig-Haro objects. VII - HH120 in the cometary globule CG30 Optical polarization studies of Herbig-Haro objects. VII - HH120 in the cometary globule CG30

Feb 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990mnras.242..419s&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 242, Feb. 1, 1990, p. 419-422.

Astronomy and Astrophysics

Astronomy

14

Dark Matter, Herbig-Haro Objects, Infrared Sources (Astronomy), Optical Polarization, Reflection Nebulae, Astronomical Spectroscopy, Emission Spectra, Infrared Astronomy Satellite, Stellar Luminosity, Stellar Radiation

Scientific paper

A small patch of optical nebulosity in the cometary globule CG30 is an amorphous reflection nebula containing a Herbig-Haro knot. The exciting and illuminating star, which is identified here with the IR source IRAS 08076 - 3356/CG30IRS4, is deeply embedded in the globule and is not seen directly at optical wavelengths. Structure in the polarization data suggests that the optical nebula is formed by illumination of the walls of a cavity excavated in the cloud during outflow activity from the embedded source.

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