A population of transition disks around evolved stars: Fingerprints of planets-Catalog of disks surrounding Galactic post-AGB binaries

J Kluska, H Van Winckel, Q Coppée… - Astronomy & …, 2022 - aanda.org
Context. Post-asymptotic giant branch (post-AGB) binaries are surrounded by massive disks
of gas and dust that are similar to the protoplanetary disks that are known to surround young …

Orbital properties of binary post-AGB stars

GM Oomen, H Van Winckel, O Pols… - Astronomy & …, 2018 - aanda.org
Binary post-asymptotic giant branch (post-AGB) stars are thought to be the products of a
strong but poorly understood interaction during the AGB phase. The aim of this contribution …

Mass transfer and disc formation in AGB binary systems

Z Chen, A Frank, EG Blackman… - Monthly Notices of …, 2017 - academic.oup.com
We investigate mass transfer and the formation of discs in binary systems using a
combination of numerical simulations and theory. We consider six models distinguished by …

Modelling of the post-asymptotic giant branch phase as a tool to understand asymptotic giant branch evolution and nucleosynthesis

D Kamath, F Dell'Agli, P Ventura… - Monthly Notices of …, 2023 - academic.oup.com
We study a sample of single Galactic post-asymptotic giant branch (post-AGB) stars with
known surface chemical composition. Gaia EDR3 and Gaia DR3 parallaxes have enabled …

Luminosities and Masses of Single Galactic Post-asymptotic Giant Branch Stars with Distances from Gaia EDR3: The Revelation of an s-process Diversity

D Kamath, H Van Winckel, P Ventura… - The Astrophysical …, 2022 - iopscience.iop.org
Post-asymptotic giant branch (AGB) stars are exquisite probes of AGB nucleosynthesis.
However, the previous lack of accurate distances jeopardized comparison with theoretical …

Wind morphology around cool evolved stars in binaries-The case of slowly accelerating oxygen-rich outflows

I El Mellah, J Bolte, L Decin, W Homan… - Astronomy & …, 2020 - aanda.org
Context. The late evolutionary phase of low-and intermediate-mass stars is strongly
constrained by their mass-loss rate, which is orders of magnitude higher than during the …

Modelling depletion by re-accretion of gas from a dusty disc in post-AGB stars

GM Oomen, H Van Winckel, O Pols… - Astronomy & …, 2019 - aanda.org
Many disc-type post-asymptotic giant branch (post-AGB) stars are chemically peculiar,
showing underabundances of refractory elements in their photospheres that correlate with …

[HTML][HTML] Establishing binarity amongst Galactic RV Tauri stars with a disc

R Manick, H Van Winckel, D Kamath, M Hillen… - Astronomy & …, 2017 - aanda.org
Context. Over the last few decades it has become more evident that binarity is a prevalent
phenomenon amongst RV Tauri stars with a disc. This study is a contribution to comprehend …

A census of post-AGB stars in Gaia DR3: evidence for a substantial population of Galactic post-RGB stars

RD Oudmaijer, ERM Jones… - Monthly Notices of the …, 2022 - academic.oup.com
This paper presents the first census of Galactic post-asymptotic giant branch (post-AGB)
stars in the Hertzsprung–Russell (HR) diagram. We combined Gaia DR3 parallax-based …

Binary Central Stars of Planetary Nebulae Discovered Through Photometric Variability. V. The Central Stars of HaTr 7 and ESO 330-9

TC Hillwig, DJ Frew, N Reindl, H Rotter… - The Astronomical …, 2016 - iopscience.iop.org
We find the central stars (CSs) of the planetary nebulae (PNe) HaTr 7 and ESO 330-9 to be
close-binary systems. Both have orbital periods of less than half a day and contain an …