News
The phosphorus that came from the stars
All chemical elements in the Universe (except for H and most of the He) have been made in stellar interiors. But among those elements, the ones that allowed to...
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NewsThe ratio of pattern speeds in double-barred galaxies.We have obtained two-dimensional velocity fields in the ionized gas of a set of eight double-barred galaxies, at high spatial and spectral resolution, using...
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NewsThe relic galaxy NGC 1277 lacks dark matterThe standard cosmological model states that massive galaxies contain a large fraction of dark matter. Dark matter is a transparent substance that does not...
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NewsThe role of active galactic nucleus feedback on the evolution of dwarf galaxies from cosmological simulations: Supermassive black holes suppress star formation in low-mass galaxiesRecent observational studies suggest that feedback from active galactic nuclei (AGNs)—the energetic centres powered by supermassive black holes—may play an...
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NewsThe role of the Sagittarius dwarf galaxy in the evolution of our GalaxyThe European Space Agency's Gaia mission is revolutionising our understanding on how the Milky Way, the spiral galaxy we inhabit, has formed and evolved. Gaia...
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NewsThe rotation rates of massive stars: How slow are the slow ones?Rotation plays a key role in the life cycles of stars with masses above 8 Msun. Hence, accurate knowledge of the rotation rates of such massive stars is...
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NewsThe spectroscopic Hertzsprung-Russell diagram of Galactic massive stars.The distribution of stars in the Hertzsprung-Russell diagram narrates their evolutionary history and directly assesses their properties. Placing stars in this...
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NewsThe Star Formation History of M32.We use deep Hubble Space Telescope Advanced Camera for Surveys/High Resolution Channel observations of a field within M32 (F1) and an M31 background field (F2)...
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NewsThe star formation rate evolution of low-mass galaxies as seen by OTELOWe present the analysis of a sample of Halpha, Hbeta and [OII] emission line galaxies from the OTELO survey, with masses typically below log(M */Msun) = 9.4 and...