News
A shared accretion instability for black holes and neutron stars
Accretion disks around compact objects are expected to enter an unstable phase at high luminosity. One instability may occur when the radiation pressure...
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NewsA Short-duration Event as the Cause of Dust Ejection from Main-Belt Comet P/2012 F5 (Gibbs).We present observations and an interpretative model of the dust environment of the Main-Belt Comet P/2010 F5 (Gibbs). The narrow dust trails observed can be...
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NewsA spectrograph for exoplanet observations calibrated at the centimetre-per-second level.The best spectrographs are limited in stability by their calibration light source. Laser frequency combs are the ideal calibrators for astronomical...
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NewsA star six times larger than the Sun influenced on the "birth of the Solar System".Un equipo internacional liderado por astrofísicos españoles ha descubierto que el origen de algunos de los elementos radioactivos encontrados en los meteoritos...
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NewsA stellar stream remnant of a globular cluster below the metallicity floorStellar ejecta gradually enrich the gas out of which subsequent stars form, making the least chemically enriched stellar systems direct fossils of structures...
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NewsA Substantial Amount of Hidden Magnetic Energy in the Quiet SunAn investigation carried out at the IAC has demonstrated that the apparently non-magnetic regions of the solar photosphere (the innermost region of the...
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NewsA titanic interstellar medium ejection from a massive starburst galaxyFeedback-driven winds from star formation or active galactic nuclei might be a relevant channel for the abrupt quenching of star formation in massive galaxies...
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NewsA Very-High-Energy Gamma-Ray View of the Transient SkyThe development of the latest generation of Imaging Atmospheric Cherenkov Telescopes (IACTs) over recent decades has led to the discovery of new extreme...
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NewsAbout metallicity variations in the local Galactic interstellar mediumIn this work we discuss and confront recent results on metallicity variations in the local interstellar medium, obtained from observations of H II regions by...