000002567 001__ 2567
000002567 005__ 20160701171707.0
000002567 037__ $$aASTROimport-724
000002567 100__ $$aKimeswenger, S.
000002567 245__ $$aMorphologies of the Nebulae around ``Born-Again'' Central Stars of Planetary Nebulae
000002567 260__ $$c2008
000002567 520__ $$aWhile in the past spherodicity was assumed, and still is used in modeling of most nebulae, we know now that only a small number of planetary nebulae (PNe) are really spherical or at least nearly round. Round planetary nebulae are the minority of objects. In the case of those objects that underwent a very late helium flash (called VLTP objects or ``born-again'' PNe) it seems to be different. The first, hydrogen-rich PN, is more or less round. The ejecta from the VLTP event, in contrast, are extremely asymmetrical. 
000002567 700__ $$a Zijlstra, A. A.
000002567 700__ $$a van Hoof, P. A. M.
000002567 700__ $$a Hajduk, M.
000002567 700__ $$a Herwig, F.
000002567 700__ $$a Lechner, M. F. M.
000002567 700__ $$a Eyres, S. P. S.
000002567 700__ $$a van de Steene, G. C.
000002567 773__ $$c177$$pHydrogen-Deficient Stars$$v391$$y2008
000002567 85642 $$ahttp://esoads.eso.org/abs/2008ASPC..391..177K
000002567 905__ $$apublished in
000002567 980__ $$aNONREF