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.
A., Wolf, C., Bessell, M
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Wide WD+MS binaries from Gaia show large intrinsic scatter in [Fe/H] at all ages for the Galactic disk AMR, agreeing with prior studies and indicating complex chemical evolution.
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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Revisiting the Galactic age-metallicity relation from wide white dwarf-main-sequence binaries
Wide WD+MS binaries from Gaia show large intrinsic scatter in [Fe/H] at all ages for the Galactic disk AMR, agreeing with prior studies and indicating complex chemical evolution.