3 papers
astro-ph.SR2025
The 2023 outburst of the Gaia alerted EXor Gaia23bab
Zsófia Nagy, Ãgnes Kóspál, Péter Ãbrahám +33
Episodic accretion is a fundamental process in the build-up of the stellar mass. EX Lupi-type eruptive young stars (EXors) represent one of the main types of episodic accretion. We…
astro-ph.SR2024
VELOcities of CEpheids (VELOCE) II. Systematic Search for Spectroscopic Binary Cepheids
Shreeya S. Shetye, Giordano Viviani, Richard I. Anderson +4
Classical Cepheids provide valuable insights into the evolution of stellar multiplicity among intermediate-mass stars. Here, we present a systematic investigation of single-lined s…
astro-ph.GA2024
Discovery of a dormant 33 solar-mass black hole in pre-release Gaia astrometry
Gaia Collaboration, P. Panuzzo, T. Mazeh +412
Gravitational waves from black-hole merging events have revealed a population of extra-galactic BHs residing in short-period binaries with masses that are higher than expected base…