The European Solar Telescope (EST) aims to significantly improve our capabilities to observe the solar chromosphere and understanding the solar chromosphere...

The European Solar Telescope (EST) is a project for a 4 meter-class ground-based telescope, to be located in the Canary Islands. The project is promoted by the...

Magnetic field plays a crucial role to understand most phenomena happening in the solar atmosphere. Sunspots, flares, prominences, coronal mass ejections are...

We study the process of formation of spiral structure extending the classical Turing's model to the case of a disk of stars and gas with diferencial rotation.

Four main aspects of umbral and penumbral fine structures are considered: brightness and morphology, magnetic field, velocity and oscillations. The author...

Urbanism in most areas of Western Europe occurred at the time of the Roman Empire when several hundred new towns were founded, notably under Augustus. Those...

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During our detailed study of the kinematics of the know exoplanets hots stars (Montes et al. 2010, Caballero et al. 2010) we have identified possible members of...

We use 8 gravitational lens systems with quadruply imaged quasars and their observed flux ratio anomalies obtained using data in mid-infrared, radio or spectral...