The survey discovered 30 new hydrogen-deficient planetary-nebula central stars, raising the known PG1159 count from 25 to 46 and identifying the first DOZ white dwarfs associated with planetary nebulae.
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2 Pith papers cite this work. Polarity classification is still indexing.
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Pith papers citing it
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astro-ph.SR 2years
2026 2representative citing papers
Kohoutek 1-9's central star is a dwarf barium star with the nebula showing a thin-ring morphology consistent with binary ejection in the orbital plane.
citing papers explorer
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Spectroscopic survey of faint planetary-nebula nuclei. VII. Thirty new hydrogen-deficient central stars
The survey discovered 30 new hydrogen-deficient planetary-nebula central stars, raising the known PG1159 count from 25 to 46 and identifying the first DOZ white dwarfs associated with planetary nebulae.
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Spectroscopic Survey of Faint Planetary-Nebula Nuclei. VIII. The Dwarf Barium Central Star of Kohoutek 1-9
Kohoutek 1-9's central star is a dwarf barium star with the nebula showing a thin-ring morphology consistent with binary ejection in the orbital plane.