It is very likely that general relativity is not the final description of gravitation. This theory … more Testing Chern-Simons gravity with black holes?»
The mechanical structure of the prototype small-size CTA telescope is almost ready. The telescope has been … more CTA Small Telescope»
Our Galaxy contains a few systems, called black hole binaries, in which a star orbiting … more Oscillations of black hole systems from hydrodynamical instability»
A subjective introduction dr hab. Rafał Moderskiassociate professorNicolaus Copernicus Astronomical Centeremail: … more High Energy Astrophysics»
Globular clusters are one of the simplest dynamical systems. This does not mean, however, that the … more The state of globular clusters at birth»
The BRITE-Constellation satellite mission will obtain accurate photometry for the brightest stars in the sky. One … more How much is known about the brightest stars?»
Brent Miszalski, Joanna Mikolajewska, and Andrzej Udalski use SALT spectra of a high density … more Symbiotic stars and other H α emission line stars towards the Galactic Bulge»
Project Solaris has two main goals: (1) to detect circumbinary planets around a sample of … more Construction of Solaris-4 Telescope in Argentina completed»
The meeting was held at the Nicolaus Copernicus Astronomical Center in Warsaw, Poland, on 22-24 May, … more SALT Board Meeting»
In paper "The cluster ages experiment (CASE). V. Analysis of three eclipsing binaries in the … more Age and distance determined for M4 from the analysis of eclipsing binaries»