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NCBJ astrophysicists advance understanding of distortions in the Cosmic Microwave Background
The Cosmic Microwave Background (CMB) contains key information about the earliest stages of the Universe's evolution. In a recent study, astrophysicists from the National Centre for Nuclear Research (NCBJ) investigated how microwave emission from our Galaxy and gravitational lensing distort the CMB signal. They also examined which methods could be employed by future CMB experiments to place tighter constraints on the amplitude of primordial gravitational waves.
Are cosmic butterflies hiding the binary supermassive black holes?
X-shaped radio galaxies (XRGs) are a rare class of active galaxies, whose origins are still uncertain. Scientists believe they might be linked to galaxy mergers, which makes them candidates to find black hole pairs that will produce gravitational waves in the future. Results of the study of almost 200 XRGs, led by Prajnadipt Ghosh, a doctoral student from the Astrophysics Division at NCBJ, have just been published in the Astrophysical Journal.
The greatest cosmic movie ever made: Vera C. Rubin Observatory starts the Legacy Survey of Space and Time
A new era of astronomy and astrophysics begins, as the NSF-DOE Vera C. Rubin Observatory launches LSST, the most comprehensive cinematic record of the Universe. The initiative involves a Polish consortium composed of eight institutions, led by the National Centre for Nuclear Research.
Cosmic bow and arrow: a supersonic radio galaxy tracing a giant bow shock?
An international team co-led by Dr Pratik Dabhade of the National Centre for Nuclear Research (NCBJ) has discovered a remarkable bow-and-arrow-shaped radio galaxy with a giant arc-like structure extending nearly 1.8 million light-years.
Largest Ever Radio Sky Survey Maps the Universe in Unprecedented Detail
An international collaboration using the Low Frequency Array (LOFAR) has unveiled an exceptionally detailed radio sky map, revealing 13.7 million cosmic sources and delivering the most complete census yet of actively growing supermassive black holes. It showcases an extraordinary variety of systems powered by these black holes, whose radio emission can extend for millions of light-years. The newly released LOFAR Two-metre Sky Survey (LoTSS-DR3) marks a major milestone in radio astronomy and international scientific collaboration. The result is published in Astronomy & Astrophysics.
Silent Giants, Hidden Fuel: ALMA Reveals Surprising Diversity of Dust and Gas in Quiescent Galaxies
New ALMA observations reveal that diverse reservoirs of dust and molecular gas can persist long after galaxies stop forming stars, challenging theoretical expectations.
