A peculiar nebula surrounding the K giant HD 20722

Details A peculiar nebula surrounding the K giant HD 20722 A peculiar nebula surrounding the K giant HD 20722

Dec 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978pasp...90..665g&link_type=abstract

Astronomical Society of the Pacific, Publications, vol. 90, Dec. 1978-Jan. 1979, p. 665-668.

Astronomy and Astrophysics

Astronomy

2

Giant Stars, K Stars, Nebulae, Stellar Evolution, Stellar Mass Ejection, Asymptotic Giant Branch Stars, Stellar Models, Stellar Spectra, Stellar Winds

Scientific paper

A compact nebula, most probably due to reflected starlight, has been discovered around the high galactic latitude K giant star HD 20722. The existence of such a nebula implies that the star has experienced substantial mass loss, which might have been produced by a stellar wind from a giant leaving the tip of the asymptotic giant branch, or by binary-star evolution.

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