The origin of the 'polarization disc' in NGC2261/R.Mon

Details The origin of the 'polarization disc' in NGC2261/R.Mon The origin of the 'polarization disc' in NGC2261/R.Mon

Apr 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989mnras.237..621s&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 237, April 1, 1989, p. 621-634. Research supported by S

Astronomy and Astrophysics

Astronomy

35

Nebulae, Variable Stars, Interstellar Matter, Linear Polarization

Scientific paper

A series of linear polarization maps of the NGC2261/R.Mon nebula taken between 1979 and 1986 is presented, which shows that the nebulosity is more complex than a simple reflection nebula. The 'polarization disc' has undergone quite dramatic changes in orientation within the last decade which suggest that it arises from the scattering of radiation within a dust/gas circumstellar disc from a central source emitting polarized light. There may also be subsidiary effects due to extinction by magnetically aligned grains in the large-scale interstellar disc surrounding R.Mon.

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