3 papers
astro-ph.SR2025
Astrometry-Only Detection of Microlensing Events with Gaia
T. JankoviÄ, A. Gomboc, Å. Wyrzykowski +7
Astrometric microlensing events occur when a massive object passes between a distant source and the observer, causing a shift of the light centroid. The precise astrometric measure…
astro-ph.SR2024
Gaia20bdk -- a new FUor in Sh 2-301 Star Forming Region
M. Siwak, Ã. Kóspál, P. Ãbrahám +28
Context. We analyse multi-colour photometric and spectroscopic observations of a Young Stellar Object Gaia20bdk. Aims. We aim to investigate the exact nature of the eruptive phenom…
astro-ph.GA2024
Uncovering the Invisible: A Study of Gaia18ajz, a Candidate Black Hole Revealed by Microlensing
K. Howil, Å. Wyrzykowski, K. KruszyÅska +30
Identifying black holes is essential for comprehending the development of stars and uncovering novel principles of physics. Gravitational microlensing provides an exceptional oppor…