AGB star intershell abundances inferred from analyses of extremely hot H-deficient post-AGB stars Klaus Werner Institut f r Astronomie und Astrophysik Universit t ...
AGB Stars and the s-process. He rich intershell main site for s-process ... normalization done with 6Li(p,p), since targets were prepared under vacuum ...
... on stellar yields, which determine Galactic chemical evolution (superior goal) We further restrict to very hot, hydrogen-deficient, post-AGB stars.
5 out of 7 stars have essentially solar CNO abundances (weak 3rd dredge-up because of low mass? ... LS V 4621 (=Sh2-216): CNO and He 1-2 dex subsolar ...
Mostly treat mixing with diffusion equation Mostly use MLT for values of v Try to do in 3D ... (with Arnett et al) Show Movies H1 ... PowerPoint Presentation ...
Supervisors: Ana Inez Gomez de Castro. Isabella Pagano. COSPAR2008. Objectives. To detect the C, N, O lines in post-AGB (asymptotic giant branch) stars from UV spectra ...
AGB Star Yields for Everyone John Lattanzio1 and Amanda Karakas2 1: Centre for Stellar and Planetary Astrophysics, Monash University,Australia 2: Origins Institute ...
Red reference. Blue 14N(p,g)15O / 2 -0.04 Mag = - 0.6 Gyr. CO. core. H-rich mantle ... Convective envelope. He shell. H shell. t(yr) M(MO) He conv. shell ...
The Origin of the Elements Heavier than Fe - 25th - 27th September. 2. Outline: ... Low Na, and low [ls/Fe] observed in main-sequence or turnoff stars as indicator ...
Path difference XY between diffracted beams 1 and 2: sin = XY/a. XY ... Crystals diffract radiation of a similar order of wavelength to the interatomic spacings ...
Model fitting of high-resolution X-ray Spectroscopy of the Planetary ... Montage by B. Balick. Stellar evolution along the HR diagram. From Herwig (2005, Annu. ...
Q value - energy released in exit channel of rxn assuming incoming kinetic energy small ... Mechanism for tight collimation unknown - B fields or companions possible ...
Progenitors of WDs, LBVs, SNeII, SNeIb/c, GRBs, etc. ... Directly from apsidal motion of binaries. Standard model cores are systematically undersized ...
... information about the mixing mechanisms acting inside (T6=4.5 K) ... Dipartimento de Fisica Nucleare, Universidade de Sao Paulo,Brasil. The collaboration ...