The Most Powerful Lenses in the Universe: Quasar Microlensing as a Probe of the Lensing Galaxy
We describe how quasar microlensing is the only way to determine the dark/stellar ratio at the interesting sub-galactic scales of several kpc and how it is the...
The motion of magnetic flux tubes in the convection zone and the subsurface origin of active regions
The rise of kink-unstable magnetic flux tubes through the solar convection zone is discussed with a view to explaining the subsurface origin of active regions...
The Motion of Magnetic Flux Tubes in the Convection Zone and the Subsurface Origin of Active Regions
The rise of kink-unstable magnetic flux tubes through the solar convection zone is discussed with a view to explaining the subsurface origin of active regions...
The multi-chord stellar occultation by (19521) Chaos on 2020 November 20
Physical properties of Trans-Neptunian Objects (TNOs) have been of increasing interest in the last two decades, as these objects are considered to be among the...
The multi-object spectroscopy (MOS) observations automatized production line
OSIRIS (Optical System for Imaging and low-Intermediate-Resolution Integrated Spectroscopy) Multi-Object Spectroscopy (MOS) observing mode is available to the...
High resolution polarization observations of spiral galaxies in far-infrared are enabling for the first time to study galactic magnetic fields deep into the...
The multiperiodicity of the Delta Scuti star BDS 1269A (VW Arietis) from the fifth campaign of STEPHI network in 1993
BDS 1269 is a visual binary system with a Delta Scuti star as the primary (Mechler, 1974) and a normal early F main sequence secondary BDS 1269B (HD 15164)...