3 papers
astro-ph.SR2026
Painting a Family Portrait of the Yellow Super- and Hypergiants in the Milky Way I. Constraining the Distances and Luminosities
A. Kasikov, A. Mehner, I. Kolka +1
Context. Distances to evolved massive stars in the Milky Way are not well constrained by Gaia parallaxes due to their brightness and variability. This makes it difficult to determi…
astro-ph.HE2026
AGN in Gaia Alerts: from flares to Changing Look Quasars
M. Dennefeld, T. Pursimo, C. Carvalho +11
The Gaia Alerts system is providing alerts on a variety of objects displaying a significant photometric change detected by the Gaia satellite from one passage to the next one over…
astro-ph.SR2025
Atmospheric dynamics of the hypergiant RW Cep during the Great Dimming
A. Kasikov, I. Kolka, A. Aret +5
The hypergiant RW Cep is one of the largest stars in our galaxy. The evolution and mass loss of such stars has profound effects on their surrounding regions and the galaxy as a who…