Supermassive black holes with masses of millions to billions of solar masses are commonly found in the centers of galaxies. Astronomers seek to image jet...
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NewsBlack Hole lightning due to Particle acceleration at Subhorizon Scales.
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NewsBlack holes modulate star formation in neighboring galaxies
Every massive galaxy hosts a black hole in its center. Both the size and the mass of these black holes is negligible compared to the host galaxy, millions of...
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NewsBlack-hole-regulated star formation in massive galaxies
The centres of massive galaxies are among the most exotic regions in the Universe. They harbour supermassive black holes, with masses of at least one million...
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NewsBlack-hole-regulated star formation in massive galaxies
The centres of massive galaxies are among the most exotic regions in the Universe. They harbour supermassive black holes, with masses of at least one million...
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NewsCalibrating the Rossby number, a key parameter to study the magnetic activity of stars
In a star like the Sun, surface magnetic activity results from the interaction between rotation, convection, and magnetic field. One of the key parameters to...
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NewsCarbon and oxygen gradient values in recombination lines in HII regions
The galactic gradient of C has been determined for the first time using recombination lines in HII regions. Results from these lines are more reliable than...
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NewsCARMENES finds a nearby Neptune in the temperate zone of an early-M dwarf
We report on the first star discovered to host a planet detected by radial velocity (RV) observations obtained within the CARMENES survey for exoplanets around...
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NewsCharacterization of the host galaxy from gamma-ray blazars
The most extreme electromagnetic radiation that can be observed is known as very high energy gamma rays (VHE, E>100 GeV). It is the last window open to the...
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NewsChromospheric polarization in the photospheric solar oxygen infrared triplet.
We present multilevel radiative transfer modeling of the scattering polarization observed in the solar O I infrared triplet around 777 nm. We demonstrate that...