424 citations · 3.1k across the 97 of their papers we have counts for
75 papers · 1 filter
The bright blue side of the night sky: Spectroscopic survey of bright and hot (pre-) white dwarfs
Nicole Reindl, Ramazan Islami, Klaus Werner +10
We report on the spectroscopic confirmation of 68 new bright ( mag) and blue (pre-)white dwarfs (WDs). This finding has allowed us to almost double the number of the h…
The first massive compact companion in a wide orbit around a hot subdwarf star
S. Geier, M. Dorsch, H. Dawson +5
We report the discovery of the first hot subdwarf B (sdB) star with a massive compact companion in a wide () binary system. It was discovered based on an a…
Hot subdwarfs in close binaries observed from space II: Analysis of the light curves
V. Schaffenroth, B. N. Barlow, I. Pelisoli +2
Hot subdwarfs in close binaries with either M dwarf, brown dwarf or white dwarf companions show unique light variations. In hot subdwarf binaries with M dwarf or brown dwarf compan…
Panchromatic evolution of three luminous red novae: Forbidden hugs in pandemic times -- IV
A. Pastorello, G. Valerin, M. Fraser +77
We present photometric and spectroscopic data on three extragalactic luminous red novae (LRNe): AT2018bwo, AT2021afy, and AT2021blu. AT2018bwo was discovered in NGC45 (at 6.8 Mpc)…
Hot subdwarfs in close binaries observed from space I: orbital, atmospheric, and absolute parameters and the nature of their companions
V. Schaffenroth, I. Pelisoli, B. N. Barlow +2
About a third of the hot subdwarfs of spectral type B, which are mostly core-helium burning objects on the extreme horizontal branch, are found in close binaries with cool, low-mas…
Discovery and analysis of three magnetic hot subdwarf stars: evidence for merger-induced magnetic fields
Ingrid Pelisoli, M. Dorsch, U. Heber +6
Magnetic fields can play an important role in stellar evolution. Among white dwarfs, the most common stellar remnant, the fraction of magnetic systems is more than 20 per cent. The…