Pa 13 contains a detached double-degenerate binary of two hot pre-white dwarfs with dynamical masses 0.41 and 0.39 solar masses, offering the strongest evidence yet for planetary nebulae around post-RGB stars via either double-core evolution or CE-induced rejuvenation.
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2 Pith papers cite this work. Polarity classification is still indexing.
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astro-ph.SR 2years
2026 2verdicts
UNVERDICTED 2representative citing papers
Three new candidate ancient planetary nebulae, each several arcminutes across with extremely low [O iii] surface brightness around 30 mag arcsec^{-2}, were discovered using amateur telescopes, with candidate central stars yielding age estimates of 50-100 thousand years.
citing papers explorer
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Two hot pre-white dwarfs inside the red-giant-branch planetary nebula Pa 13 -- Double core evolution or common envelope-induced rejuvenation?
Pa 13 contains a detached double-degenerate binary of two hot pre-white dwarfs with dynamical masses 0.41 and 0.39 solar masses, offering the strongest evidence yet for planetary nebulae around post-RGB stars via either double-core evolution or CE-induced rejuvenation.
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Ancient 'ghost' planetary nebulae discovered with amateur telescopes
Three new candidate ancient planetary nebulae, each several arcminutes across with extremely low [O iii] surface brightness around 30 mag arcsec^{-2}, were discovered using amateur telescopes, with candidate central stars yielding age estimates of 50-100 thousand years.