Dwarf galaxies probably form in isolation and only later are accreted by larger galaxies, like the … more Tidal radius of dwarf galaxies»
On 2010 October 13, the Apollo type 20-meter asteroid 2010 TB54 passed within 6.1 lunar distances … more The PF131010 Ciechanow fireball»
Zeuthen, Germany – On 15 and 16 July 2015, the Cherenkov Telescope Array (CTA) Resource … more Paranal and La Palma Sites Chosen for Final Negotiations to Host World’s Largest Array of Gamma-Ray Telescopes»
On September 25, 2013 NASA explorer Swift detected a GRB, named 130925A, having the longest ever … more Thermal Emissions Spanning the Prompt and the Afterglow Phase of the Ultra-long GRB 130925A»
The evolution of dwarf galaxies in the tidal field of the Milky Way is one of … more Resonant tidal evolution of dwarf galaxies»
In a paper Discovery of a new group of double-periodic RR Lyrae stars in the OGLE-IV … more Discovery of a new group of double-periodic RR Lyrae stars»
Black holes observed by astronomers have masses either similar to those of stars, or are supermassive, … more X-ray Transients: Hyper- or Hypo-Luminous? »
International team of astrophysicists led by Tomasz Kamiński (ALMA-ESO, Chile; former PhD student at the Copernicus … more Nova Vul 1670 was a merger»
Fall 2014 PhD lecture Ewa L. Łokas Nicolaus Copernicus Astronomical Center Abstract
H.E.S.S.discovers three extremely luminous gamma-‐ray sources in Milky Way’s satellite galaxy. Once again, the High Energy … more An exceptionally powerful trio in the Large Magellanic Cloud»