The Most Elusive Nuclei of LMC Planetary Nebulae

Details The Most Elusive Nuclei of LMC Planetary Nebulae The Most Elusive Nuclei of LMC Planetary Nebulae

Jul 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000hst..prop.8702s&link_type=abstract

HST Proposal ID #8702

Computer Science

Hst Proposal Id #8702 Ism And Circumstellar Matter

Scientific paper

We propose to carry out a SNAPSHOT survey of the faintest nuclei of planetary nebulae {PNe} in the LMC. This program will be a crucial follow-on to a Cycle 8 SNAPSHOT of LMC PNe; here we plan to observe the faintest or most obscured nuclei to determine their evolutionary state to an accuracy not possible in the Galaxy. These faintest central stars are predicted to be among the most massive nuclei, and owing to the typically advanced age of the surrounding nebulae, are the most sensitive discriminants for validating the post-AGB evolution timescales predicted by theory. The key to calibrating the evolutionary timescales is to relate them to the nebular dynamical {expansion} timescale. By studying the parallel evolution of nebula and star it will be possible to gain a firm understanding of the complex interplay between the progenitor mass, and the post-AGB evolution of the nebula and the central star.

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