3 papers
astro-ph.SR2026
On the variability of the reflection nebula Van den Bergh 27 surrounding RY Tau
Harald Strauss, Klaus Bernhard
We present an analysis of the short- and long-term optical variability in Van den Bergh 27 (vdB 27), the reflection nebula surrounding RY Tau. The observed variations form a light-…
astro-ph.SR2025
Van den Bergh 24 is a variable reflection nebula around XY Per
Harald Strauss, Klaus Bernhard
We report the discovery of optical variability in vdB 24 on timescales of a few days. This reflection nebula surrounds the Herbig Ae/Be star XY Per, whose changing brightness appea…
astro-ph.SR2025
ZTF J172132.75+445851.0: A Possible New Cataclysmic Variable of the VY Sculptoris Type
Klaus Bernhard, Christopher Lloyd, Peter Frank +1
We report the discovery of ZTF J172132.75+445851.0 as a new possible VY Sculptoris variable, with an orbital period of 0.109765426(44) days. Survey observations from 2005 to the pr…