2 papers
astro-ph.SR2021
An investigation of planetary nebulae accompanying PG1159 central stars, based on Gaia DR2 measurements
A. Ali, Wedad R. Alharbi
This article discusses the physical and kinematical characteristics of planetary nebulae accompanying PG1159 central stars. The study is based on the parallax and proper motion mea…
astro-ph.SR2016
Problems for the WELS classification of planetary nebulae central stars: Self-consistent nebular modelling of four candidates
Hassan M. Basurah, Alaa Ali, Michael A. Dopita +3
We present integral field unit (IFU) spectroscopy and self-consistent photoionisation modelling for a sample of four southern Galactic planetary nebulae (PNe) with supposed weak em…