All stellar-mass black holes have hitherto been identified by X-rays emitted from gas that is accreting onto the black hole from a companion star. These systems...
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NewsDiscovery of a massive black hole companion to a B-type star from radial velocity measurements
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NewsDiscovery of a young and massive stellar cluster: Spectrophotometric near-infrared study of Masgomas-1.
Recent near-infrared data have contributed to the discovery of new (obscured) massive stellar clusters and massive stellar populations in previously known...
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NewsDiscovery of a young forming planet around the nearby star AU Mic
AU Microscopii (AU Mic) is the second closest pre-main-sequence star, at a distance of 9.79 parsecs and with an age of 22 million years . AU Mic possesses a...
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NewsDiscovery of a young planetary mass companion to the nearby M dwarf VHS J125601.92-125723.9
In a search for common proper motion companions using the VISTA Hemisphere Survey (VHS) and the 2MASS catalogs we have identi fied a very red (J-Ks = 2.47 mag)...
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NewsDiscovery of continuous infrared winds during the outburst of a black hole
X-ray binaries are stellar systems composed of a compact object (either a stellar-mass black hole or a neutron star) and a donor star that transfers mass to the...
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NewsDiscovery of interstellar dust in the reionization era of the Universe: ALMA observations of a z=8.38 galaxy amplified by the gravitational lensing effect of the galaxy cluster Abell 2744
The first billion years of cosmic history represents the final frontier in assembling a coherent physical picture of early galaxy formation, and a remarkable...
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NewsDiscovery of magnetic bright points in the quiet Sun
Most of the solar surface seems to be non-magnetic. However, it carries a magnetic flux and energy that easily exceed those of sunspots, plage and network all...
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NewsDiscovery of pulsations in the nitrogen-rich PG1159 star PG 1144+005
Up to 98% of all single stars will eventually become white dwarfs - stars that link the history and future evolution of the Galaxy, and whose previous evolution...
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NewsDiscovery of Stars Surrounded by Iron Dust in the Large Magellanic Cloud
Stars with masses between one and eight times the mass of the Sun evolve along the asymptotic giant branch (AGB) before ending their lives as white dwarfs. It...