News
Are ultra-diffuse galaxies Milky Way-sized?
Now almost 70 years since its introduction, the effective or half-light radius has become a very popular choice for characterising galaxy size. However, the...
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NewsAre ultra-diffuse galaxies structurally similar to low-surface-brightness galaxies?A central question regarding ultra-diffuse galaxies (UDGs) is whether they are in a separate category from low-surface-brightness (LSB) galaxies, or just their...
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NewsAsteroid reflectance spectra from Gaia DR3: Near-UV in primitive asteroidsAsteroids are the remnants of the planetary formation in the Solar System and so, their study helps us to understand the conditions during the early stages of...
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NewsBaryonic properties of nearby galaxies across the stellar-to-total dynamical mass relationDespite the fundamental role that dark matter halos play in our theoretical understanding of galaxy formation and evolution, the interplay between galaxies and...
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NewsBlack holes modulate star formation in neighboring galaxiesEvery 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 galaxiesThe 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 galaxiesThe 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 starsIn 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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NewsChallenging the theoretically predicted mass-loss rate increase of blue supergiants in the bi-stability region of the stellar windsThe properties of blue supergiants are key for constraining the end of the main sequence phase, a phase during which massive stars spend most of their lifetimes...