NGC 2242 - A newly-discovered planetary nebula

Details NGC 2242 - A newly-discovered planetary nebula NGC 2242 - A newly-discovered planetary nebula

Jan 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987pasp...99...27s&link_type=abstract

Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 99, Jan. 1987, p. 27-30.

Astronomy and Astrophysics

Astronomy

8

Abundance, Emission Spectra, Line Spectra, Planetary Nebulae, Electron Energy, Ion Production Rates, Radiant Flux Density

Scientific paper

The nebula NGC 2242 is found to be a previously unknown planetary nebula. Its emission-line fluxes and a finding chart are presented. The nebula is found to have very high ionization and high temperature (Te = 25,000K). The oxygen/hydrogen abundance ratio, derived by assuming a constant argon/oxygen ratio, is rather low (O/H = 8×10-5) and is consistent with the high-electron temperature.

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