News
Tidally trapped pulsations in a close binary star system
It 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...
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NewsTrES-2In August 2006 a new planetary transit was discovered from data from the TrES network. The discovery was confirmed using radial velocity curves obtained with...
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NewsType-II surface brightness profiles in edge-on galaxies produced by flaresPrevious numerical studies had apparently ruled out the possibility that flares in galaxy discs could give rise to the apparent breaks in their luminosity...
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NewsUnnoticed magnetic field oscillations in the very quiet Sun revealed by Sunrise/IMaX.As we enhance the spatial resolution and sensitivity of spectro-polarimetric measurements, it becomes increasingly evident that highly dynamic magnetic fields...
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NewsUnravelling coronal bright pointsWhen the Sun is observed in X-ray or extreme ultraviolet wavelengths, hundreds of bright and compact structures with a rounded shape and sizes similar to that...
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NewsUnveiling the companion of Aquila X-1 40 years after its discoveryLow mass X-ray binaries consist of two components: a compact object (either a neutron star or a stellar-mass black hole) and a star with a mass similar or lower...
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NewsVariability in the Orion nebulaUsing images from the HST archive of the Ha and [OIII] l5007A emission lines that are 6.84 years apart, variability in the temperature and density of ionized...
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NewsVERY LOW MASS STARS, BROWN DWARFS AND GIANT PLANETS.Se ha descubierto un compañero de unas 14 M Jup situada a 670 UA de UscoCTIO108, una enana marrón de 60 M Jup perteneciente a la joven asociación de Upper...
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NewsVery Metal-poor Stars in the Outer Galactic Bulge Found by the APOGEE Survey.Despite its importance for understanding the nature of early stellar generations and for constraining Galactic bulge formation models, at present little is...