Chemical composition of post-AGB star candidates
Sign Up to like & getrecommendations! Published in 2018 at "Astronomische Nachrichten"
DOI: 10.1002/asna.201913542
Abstract: We present a high resolution detailed abundance analysis for a sample of six post-AGB candidate stars, five of them had not been studied spectroscopically in the optical region. All the analyzed objects are IRAS sources… read more here.
Keywords: agb star; chemical composition; post; post agb ... See more keywords
Aperture synthesis imaging of the carbon AGB star R Sculptoris - Detection of a complex structure and a dominating spot on the stellar disk
Sign Up to like & getrecommendations! Published in 2017 at "Astronomy and Astrophysics"
DOI: 10.1051/0004-6361/201630214
Abstract: Aims. We present near-infrared interferometry of the carbon-rich asymptotic giant branch (AGB) star R Sculptoris (R Scl). Methods. We employ medium spectral resolution K-band interferometry obtained with the instrument AMBER at the Very Large Telescope… read more here.
Keywords: agb star; disk; spot; stellar disk ... See more keywords
ALMA observations of the nearby AGB star L2 Puppis - II. Gas disk properties derived from 12CO and 13CO J = 3–2 emission
Sign Up to like & getrecommendations! Published in 2017 at "Astronomy and Astrophysics"
DOI: 10.1051/0004-6361/201630340
Abstract: The circumstellar environment of the AGB star L2 Puppis was observed with ALMA in cycle 3, with a resolution of 15 × 18 mas. The molecular emission shows a differentially rotating disk, inclined to a… read more here.
Keywords: star puppis; agb star; disk; star ... See more keywords