The spectrum of NGC 6543 and its nucleus

[en] In the nebula NGC 6543 Bowen's fluorescence mechanism is absent, and the recombination process is especially efficient, giving relatively strong lines of C II, C III, and N III. The nucleus is a Wolf-Rayet star showing lines of N IV and C IV of similar intensities; it is thus an object intermediate between the WN and WC sequences.

Disciplines :

Space science, astronomy & astrophysics

Author, co-author :

Swings, Polydore ; McDonald Observatory

Language :

English

Title :

The spectrum of NGC 6543 and its nucleus

Publication date :

1940

Journal title :

Astrophysical Journal

ISSN :

0004-637X

eISSN :

1538-4357

Publisher :

University of Chicago Press, Chicago, United States - Illinois

Volume :

Pages :

289-294

Additional URL :

http://adsabs.harvard.edu/abs/1940ApJ....92..289S

Available on ORBi :

since 14 September 2010

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