Despite we know thousands of extrasolar planets (exoplanets), only a small fraction of them have been … more Direct imaging and astrometric detection of a gas giant planet»
The LIGO Scientific Collaboration and the Virgo collaboration identify a second gravitational wave event in the … more GRAVITATIONAL WAVES DETECTED FROM SECOND PAIR OF COLLIDING BLACK HOLES »
UVSat is a scientific astronomical observatory mini-satellite carrying a telescopes observing in the ultraviolet (200-300nm,UV), that … more Astronomical Observatory Ultraviolet Satellite - UVSat»
The discovery of ultraluminous X-ray sources (ULX) and the growing evidence that they contain compact objects … more The slimming effect of advection on black-hole accretion flows»
Ultraluminous X–ray sources (ULXs) have apparent luminosities above 1039 erg/s, which corresponds to the Eddington … more Ultraluminous X-ray pulsar»
For the first time, scientists have observed ripples in the fabric of spacetime - gravitational … more First direct detection of gravitational waves»
RE J1034+396 (z = 0.0433), as a Narrow Line Seyfert 1 galaxy (NLS1), is the first … more The mass of the black hole in RE J1034+396»
Mrk 509 is a Seyfert galaxy, which harbors a supermassive black hole at its center. Because … more Absorption Measure Distribution in Mrk 509»