News type: Research news

  • News
    The Kepler space mission sheds a new light on variable A- and F-type stars.
    The Kepler spacecraft is monitoring the brightness of more than 150,000 stars  in the constellations Cygnus, Lyra,  and Draco. The photometric time series with...
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    The largest known molecules in space are not produced in hydrogen-poor environments.
    The largest known molecules in space, fullerenes, do not occur in hydrogen-poor environments as previously thought. Fullerenes are very stable molecules and...
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    The link between the star formation history and [α/Fe ].
    The abundance ratios between key elements such as iron and α-process elements carry a wealth of information on the star formation history (SFH) of galaxies. So...
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    The long-period binary central stars of the planetary nebulae NGC 1514 and LoTr 5
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    The magnetic sensitivity of the Mg II k line to the joint action of Hanle, Zeeman and magneto-optical effects
    The polarization of the Mg II k line at 279.5 nm encodes valuable information on the magnetic field of the upper solar chromosphere, where this strong resonance...
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    The Metal-Poor Edge of the Milky Way’s Thin Disk
    The formation and evolution of the disk of our Galaxy, the Milky Way, remains an enigma in astronomy. In particular, the relationship between the thick disk and...
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    The most distant compact groups.
    We present photometric and spectroscopic observations of the members of three previously cataloged compact group (CG) candidatesat redshifts $z>0.3$. These...
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    The Nature and Nurture of Bars and Disks.
    The effects that interactions produce on galaxy disks and how they modify the subsequent formation of bars need to be distinguished to fully understand the...
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    The nature of an extreme B supergiant in Cygnus
    2MASS J20395358+4222505 is an obscured early B supergiant near the massive OB star association Cyg OB2. Despite its bright infrared magnitude (Ks= 5.82) it has...