Classification of the planetary nebula YM29 (= S274 = A21)

Details Classification of the planetary nebula YM29 (= S274 = A21) Classification of the planetary nebula YM29 (= S274 = A21)

Oct 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983pasp...95..732k&link_type=abstract

Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 95, Oct. 1983, p. 732-738. Research supported by the Re

Astronomy and Astrophysics

Astronomy

16

Abundance, Astronomical Spectroscopy, Classifications, Planetary Nebulae, Helium, Hydrogen, Nitrogen, Orion Nebula

Scientific paper

Spectroscopy of the filamentary planetary nebula YM29 has been obtained and it is found that it is significantly enriched in nitrogen and helium, with N/O and He/H ratios roughly seven times and twice those found in Orion, respectively. Combined with data for the central star, the composition and structure of this object allow us to categorize it as a Peimbert type I planetary nebula.

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