The nature of the optical nebulosity near GL 989

Details The nature of the optical nebulosity near GL 989 The nature of the optical nebulosity near GL 989

Apr 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989mnras.237..995s&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 237, April 15, 1989, p. 995-1000.

Astronomy and Astrophysics

Astronomy

6

Infrared Sources (Astronomy), Nebulae, Optical Polarization, Astronomical Maps, Linear Polarization

Scientific paper

The small nebula near GL 989 does not show the optical polarization features of a simple reflection nebula illuminated by a nearby source, and it is suggested that the polarization arises from dichroic extinction by aligned grains. It is proposed that the nebula is the first visible sign of the formation of a cometary/bipolar nebula created by collimated outflows from the IR source.

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