On the Origin of Planetary Nebula K648 in Globular Cluster M15

Details On the Origin of Planetary Nebula K648 in Globular Cluster M15 On the Origin of Planetary Nebula K648 in Globular Cluster M15

1997-07-10

arxiv.org/abs/astro-ph/9707123v1

Astronomy and Astrophysics

Astrophysics

19 pages, 2 figures, latex, 2 files containing postscript figures. Paper to appear in Astrophysical Journal, 483, 837 (1997)

Scientific paper

10.1086/304273

We examine two scenarios for formation of the planetary nebula K648: a prompt scenario where the planetary nebula is ejected and formed immediately after a helium shell flash and a delayed scenario where a third dredge up occurs and the envelope is ejected during the following interpulse phase. We present models of both scenarios and find that each can produce K648-like systems. We suggest that the prompt scenario is more favorable but cannot rule out the delayed scenario.

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