Emission-line stars with infrared dust emission - Implications of the galactic distribution

Details Emission-line stars with infrared dust emission - Implications of the galactic distribution Emission-line stars with infrared dust emission - Implications of the galactic distribution

Mar 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975mnras.170..579a&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 170, Mar. 1975, p. 579-587.

Astronomy and Astrophysics

Astronomy

28

Cosmic Dust, Emission Spectra, Galactic Structure, Infrared Astronomy, Star Distribution, Stellar Spectra, B Stars, Line Spectra, Milky Way Galaxy, Near Infrared Radiation, O Stars, Stellar Envelopes

Scientific paper

Near-infrared photometry of a final selection of emission-line stars is presented. A sample of about 700 such stars is analyzed and it is shown that those with circumstellar dust have a spiral arm distribution in the galaxy. The peculiar Be stars with dust are also considered in isolation; these too are found to have a Population I distribution. It is therefore unlikely that they are symbiotic stars or the progenitors of normal planetary nebulae; they probably form a distinct type whose nearest relatives are the VV Cephei stars.

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