Stellar-mass black holes have all been discovered through X-ray emission, which arises from the accretion of gas from their binary companions. Currently known...
Intensity Interferometry using the MAGIC telescopes
The MAGIC telescopes are a stereoscopic system of two 17m mirror diameter Cherenkov telescopes for gamma-ray observations, in operation since many years on the...
Phase-dependent Study of Near-infrared Disk Emission Lines in LB-1
The mass, origin, and evolutionary stage of the binary system LB-1 have been intensely debated, following the claim that it hosts an ∼70M ☉ black hole, in stark...