Buscar
Mostrando ítems 1-10 de 185
Distinguishing post-AGB impostors in a sample of pre-main sequence stars
(EDP SCIENCES S A, 2011)
Context. A sample of 27 sources, cataloged as pre-main sequence stars by the Pico dos Dias Survey (PDS), is analyzed to investigate a possible contamination by post-AGB stars. The far-infrared excess due to dust present ...
New models for the evolution of post-asymptotic giant branch stars and central stars of planetary nebulae
(EDP Sciences, 2016-03)
Context. The post-asymptotic giant branch (AGB) phase is arguably one of the least understood phases of the evolution of low- and intermediate- mass stars. The two grids of models presently available are based on outdated ...
A snapshot of the inner dusty regions of a R CrB-type variable
(Astronomy & Astrophysics, 2007-05)
The circumstellar envelope of IRC+10216 from milli-arcsecond to arcmin scales
(Astronomy & Astrophysics, 2006-07-31)