The Peculiar Planetary Nebula Hen 3-1312

Details The Peculiar Planetary Nebula Hen 3-1312 The Peculiar Planetary Nebula Hen 3-1312

Jul 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004aspc..313..521p&link_type=abstract

Asymmetrical Planetary Nebulae III: Winds, Structure and the Thunderbird, Proceedings of the conference held 28 July - 1 August

Astronomy and Astrophysics

Astronomy

Scientific paper

This work reports the low- and high-resolution spectroscopic diagnostic diagrams, stellar parameter and abundance analysis of the planetary nebula Hen 3-1312. The cool stellar component has an effective temperature of Teff=6 500±100 K, a surface gravity of log g = 0.8±0.2 and with a metallicity of [Fe/H]=-1.1. These parameters result in an estimated primary luminosity of 4 100 L&sun;, implying a distance of 4 400 pc which is in agreement with previous determinations. The mean abundances of carbon, nitrogen and oxygen are found to be solar, however the α-elements (Mg, Si and Ca) and barium are underabundant relative to the Sun.

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