000002669 001__ 2669
000002669 005__ 20160701171709.0
000002669 0247_ $$2DOI$$a10.1063/1.2146270
000002669 037__ $$aASTROimport-826
000002669 100__ $$aZijlstra, A. A.
000002669 245__ $$aThe Second Death of Sakurai's Object (V4334 Sgr)
000002669 260__ $$c2005
000002669 520__ $$aThe discovery of Sakurai's Object, in 1996, provided the first modern observations of a very late thermal pulse. Models predicted that it would become a born-again planetary nebula over a few hundred years. It is however evolving very much faster: the first radio detection shows that ionization of the envelope has already started. To reproduce its unexpectedly fast evolution, we have developed a model in which convective mixing is strongly suppressed under the influence of flash burning. A strong prediction of this model is that the star will evolve back to very high temperatures at equally accelerated time scales. A CLOUDY photoionization model of the hydrogen-poor nebula indicates an ionized ejecta (carbon) mass of ~ 10-3 Msolar, indicating that born-again objects may be significant contributors to carbonaceous dust in the galaxy. 
000002669 700__ $$a Hajduk, M.
000002669 700__ $$a Herwig, F.
000002669 700__ $$a van Hoof, P.
000002669 700__ $$a Kerber, F.
000002669 773__ $$c183-186$$pPlanetary Nebulae as Astronomical Tools$$v804$$y2005
000002669 85642 $$ahttp://esoads.eso.org/abs/2005AIPC..804..183Z
000002669 905__ $$apublished in
000002669 980__ $$aNONREF