Rule or exception? Planetary nebulae around hot subdwarf stars
A. Aller (1), L.F. Miranda (1,2), A. Ulla (1), R. Oreiro (3), M., Manteiga (4), E. P\'erez (1), C. Rodr\'iguez-L\'opez (3) ((1) Departamento, de F\'isica Aplicada, Universidade de Vigo, Vigo, Spain, (2) Consejo Superior, de Investigaciones Cient\'ificas, Madrid, Spain
TL;DR
This paper reports initial findings from a survey searching for planetary nebulae around hot subdwarf stars, including detailed observations of a confirmed system and preliminary data on candidates.
Contribution
It presents the first results of a new survey targeting planetary nebulae around hot subdwarf stars, including detailed analysis of the only confirmed system in the northern hemisphere.
Findings
Deep imaging and spectroscopy of RWT 152 confirm its status as a PN+sdO system.
Preliminary results suggest potential new planetary nebulae around hot subdwarfs.
The survey is ongoing, aiming to identify more such systems.
Abstract
In this work, we present the first results of an ongoing survey to search for planetary nebulae (PNe) around hot subdwarf stars (sdOs). Deep images and intermediate-resolution long-slit spectra of RWT 152, the only confirmed PN+sdO system in the northern hemisphere, as well as preliminary results for other sdO+PN candidate are presented.
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