On the Origin of Planetary Nebula K648 in Globular Cluster M15 | Zendy

J. F. Buell | Zendy; R. B. C. Henry | Zendy; E. Baron | Zendy; K. B. Kwitter | Zendy

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On the Origin of Planetary Nebula K648 in Globular Cluster M15

Author(s) -

J. F. Buell,

R. B. C. Henry,

E. Baron,

K. B. Kwitter

Publication year - 1997

Publication title -

the astrophysical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.376

H-Index - 489

eISSN - 1538-4357

pISSN - 0004-637X

DOI - 10.1086/304273

Subject(s) - planetary nebula , globular cluster , nebula , physics , emission nebula , common envelope , astrophysics , envelope (radar) , protoplanetary nebula , cluster (spacecraft) , astronomy , flash (photography) , shell (structure) , stars , computer science , optics , materials science , composite material , telecommunications , radar , programming language , white dwarf

We examine two scenarios for formation of the planetary nebula K648: a promptscenario where the planetary nebula is ejected and formed immediately after ahelium shell flash and a delayed scenario where a third dredge up occurs andthe envelope is ejected during the following interpulse phase. We presentmodels of both scenarios and find that each can produce K648-like systems. Wesuggest that the prompt scenario is more favorable but cannot rule out thedelayed scenario.Comment: 19 pages, 2 figures, latex, 2 files containing postscript figures. Paper to appear in Astrophysical Journal, 483, 837 (1997

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