The first “dormant” black hole outside our Galaxy
An international group of astronomers with the participation of scientists from the Astronomical Observatory of the University of Warsaw discovered a “dormant” stellar-mass black hole in the Large Magellanic Cloud, a neighbor galaxy to our own. It is the first object of this type found outside the Milky Way.
An isolated black hole roaming our Milky Way galaxy
The Milky Way galaxy is expected to host over 100 million isolated black holes. Two independent teams of scientists, including astronomers from the Astronomical Observatory of the University of Warsaw, have for the first time discovered what may be a free-floating black hole.
Astronomers Analyse Impact of Starlink Satellites
The U.S. company SpaceX plans to build a constellation of 42,000 low-Earth-orbit communication satellites called Starlink. A new study, led by Dr Przemysław Mróz from the Astronomical Observatory of the University of Warsaw, looks at the impact of satellites on ground-based astronomical research.
Einstein Telescope included in ESFRI Roadmap 2021
The Einstein Telescope is the first and most advanced third-generation gravitational-wave observatory, with unprecedented sensitivity that will put Europe at the forefront of gravitation waves research. The European Strategy Forum on Research Infrastructures (ESFRI) included it in its Roadmap 2021. In Poland, the ET consortium is led by the Astronomical Observatory of the University of Warsaw.
Detection of gravitational waves from star-eating black holes
Scientists from the UW Astronomical Observatory have contributed to the discovery of binary systems consisting of a black hole and a neutron star (NSBH). The existence of these systems was predicted by astronomers several decades ago, but they had never been observed, either through electromagnetic or gravitational signals, until now.
An Earth-sized rogue planet discovered in the Milky Way
Our Galaxy may be teeming with rogue planets, gravitationally unbound to any star. An international team of scientists, led by Polish astronomers from the University of Warsaw, has announced the discovery of the smallest Earth-sized free-floating planet found to date.
Virgo and LIGO unveil new and unexpected black hole populations
UW scientists from the Astronomical Observatory are part of Virgo and LIGO that detected an extraordinarily massive merging binary system: two black holes of 66 and 85 solar masses, which generated a final black hole of around 142 solar masses. Two scientific papers on the discovery have been published today on Physical Review Letters and Astrophysical Journal Letters respectively.
UW rector awarded with the honoris causa degree of the Precarpathian National University
The Senate of the Vasyl Stefanyk Precarpathian National University unanimously decided to confer the title of doctor honoris causa for Prof. Marcin Pałys, rector of the University of Warsaw. The doctoral award ceremony is planned for September in Ukraine.
Dr. Przemysław Mróz awarded the International Astronomical Union 2019 PhD Prize
Dr. Przemysław Mróz has been awarded the International Astronomical Union PhD prize for outstanding scientific achievements of astronomy PhD students around the world for his dissertation "Astrophysical applications of gravitational microlensing in the Milky Way". The thesis was written under the supervision of Professor Andrzej Udalski from the Astronomical Observatory of the University of Warsaw
The Second Exoplanet in the Proxima Centauri Planetary System
New observations of Proxima Centauri, the nearest star to the Solar System, located at a distance of 4.2 light years, have made it possible to reveal the presence of a candidate low-mass planet orbiting the star at a distance 1.5 times greater than that separating the Earth from the Sun.
Global Gaia campaign reveals secrets of stellar pair
A 500-day global observation campaign spearheaded more than three years ago by ESA’s galaxy-mapping powerhouse Gaia has provided unprecedented insights into the binary system of stars that caused an unusual brightening of an even more distant star.
The Milky Way in three dimensions
When Galileo pointed his first telescope at the Milky Way in the early 17th century, he noticed it consists of countless stars. Since that time, studying the properties and history of our Galaxy has absorbed many generations of scientists. Writing in Science, Polish astronomers from the UW Astronomical Observatory present a unique three-dimensional map of the Milky Way.
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