A recent study by a team of researchers of INAF-Astronomical Observatory of Palermo, the University of Palermo, and the University of Madrid, recently published on the Astrophysical Journal, shows that enormous flares in the young stars in Orion are due to large magnetic loops connecting the stars and their protoplanetary disks, confining plasma oscillating from disk to the star.» Read more
Palermo Astronomical Observatory “Giuseppe S. Vaiana” is one of the research centres of the National Institute for Astrophysics (INAF). It works together with Palermo University through the Department of Physics and Chemistry.
OAPa’s main characteristic is its specific vocation in the field of space astrophysics. The network of activities also involves several frontier research fields both at the national and international level.
In the last years the number of known exoplanets has grown quickly thanks to missions such as Kepler and CoRoT and instruments such as HARPS-N, mounted on the Telescopio Nazionale Galileo, which are designed to identify exoplanets with the method of transits or radial velocity. We have understood now that the presence of exoplanets is a common features in stars» Read more
A white dwarf with a peculiar variability. The study: “Discovery of a magnetic white dwarf with unusual short-period variability” of A. Scholz (University of St. Andrews) published by RNAAS
The study of the variability of stars and compact objects is a powerful diagnostic to unveil their physical properties. For instance, it is typical not feasible to observe directly the presence of magnetic active regions on stellar surface, pulsations, very faint companions, or close circumstellar material. These properties, however, can be studied by the variability of the observed photometry or» Read more