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The stellar initial mass function at 0.9 < z < 1.5.
We explore the stellar initial mass function (IMF) of a sample of 49massive quiescent galaxies (MQGs) at 0.9
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NewsThe stellar orbit distribution in present-day galaxies inferred from the CALIFA surveyGalaxy formation entails the hierarchical assembly of mass, along with the condensation of baryons and the ensuing, self-regulating star formation. The stars...
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NewsThe suppression of star formation by powerful active galactic nuclei.The old, red stars that constitute the bulges of galaxies, and the massive black holes at their centres, are the relics of a period in cosmic history when...
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NewsThe surface of asteroid Bennu: dark, rough and dense with bouldersBetween August and December 2018, during the Approach and Preliminary Survey phases of the NASA OSIRIS-REx mission, a series of images and spectra of the...
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NewsThe synchronized dance of the Magellanic Clouds star formation historyAccording to the current theories of galaxy formation, these generally form as small entities that grow through fusion, collision and accretion, eventually...
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NewsThe universal variability of the stellar initial mass function probed by the TIMER surveyThe universality of the stellar initial mass function (IMF) is one of the most widespread assumptions in modern Astronomy and yet, it might be flawed. While...
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NewsThe unusual vertical mass distribution of NGC 4013 seen though the Spitzer Survey of Stellar Structure in Galaxies (S4G).NGC 4013 is a nearby Sb edge-on galaxy known for its “prodigious” HI warp and its “giant” tidal stream. Previous work on this unusual object shows that it...
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NewsThree supernova shells around a young star cluster in M33Using a specialized technique sensitive to the presence of expanding ionized gas, we have detected a set of three concentric expanding shells in an H ii region...
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NewsTidally trapped pulsations in a close binary star systemIt has long been suspected that tidal forces in close binary stars could modify the orientation of the pulsation axis of the constituent stars. Such stars have...