Big, Bumpy Dust Shells around Protoplanetary Nebulae

Details Big, Bumpy Dust Shells around Protoplanetary Nebulae Big, Bumpy Dust Shells around Protoplanetary Nebulae

Aug 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001assl..265..333s&link_type=abstract

Post-AGB Objects as a Phase of Stellar Evolution, Proceedings of the Toruń Workshop held July 5-7, 2000. Edited by R. Szczerba a

Astronomy and Astrophysics

Astrophysics

2

Scientific paper

We present evidence for parsec-sized dust shells around post-AGB
objects, seen in ISOPHOT data. Furthermore, some of these data show
evidence for enhanced mass-loss episodes on the timescales of thermal
pulses. Preliminary studies suggest that the mass of the progenitors of
these stars should be of the order of ~3Msolar.

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