A cataclysmic binary at the centre of the large planetary nebula HFG 1

Details A cataclysmic binary at the centre of the large planetary nebula HFG 1 A cataclysmic binary at the centre of the large planetary nebula HFG 1

Jul 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990a%26a...233l..21a&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 233, no. 2, July 1990, p. L21-L23.

Astronomy and Astrophysics

Astrophysics

18

Binary Stars, Cataclysmic Variables, Planetary Nebulae, Stellar Mass Ejection, Stellar Spectra, Carbon Compounds, Red Giant Stars, Stellar Composition, White Dwarf Stars

Scientific paper

The central star of the extended planetary nebula HFG 1 is studied. It is shown that some of the optical characteristics of the central star resemble those of an extreme member of the long-period intermediate polar class of magnetic cataclysmic binaries. However, in the present spectrum, the He II 468.6 emission appears very faint while C III and N III dominate.

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