NGC6302, a planetary nebula, that have been observed both by Chandra (X-rays in magenta colour) and Hubble (optical in red, green & blue colours) space telescopes. Planetary nebulas are a phase that stars like the Sun undergo after they run Read More …
🚀 Dr. Ioannis Georgantopoulos is X-ray astronomer and director of research at the National Observatory of Athens in Greece. His research interests include supermassive black holes (Active Galactic Nuclei). He is the leader of the Greek team working on the Read More …
Four enormous cavities, or bubbles, have been found at the center of a galaxy cluster using NASA’s Chandra X-ray Observatory. The left panel of the following graphic shows an optical image of the galaxy cluster called RBS 797, from NASA’s Read More …
A joint effort with the Italian Space Agency, the IXPE observatory is NASA’s first mission dedicated to measuring the polarization of X-rays from the most extreme and mysterious objects in the universe – supernova remnants, supermassive black holes, and dozens Read More …
With a multiwavelength campaign, a group of astronomers led by the Italian National Institute of Astrophysics (INAF) studied a repeating fast radio burst (FRB). The object FRB20201124A, discovered in November 2020, reactivated in March 2021, emitting a series of radio Read More …
A series of online talks (in Greek) by the Kryoneri Observatory of the National Observatory of Athens, Greece. Talks start at 18.00 Athens time and are broadcasted live on the Youtube Channel of NOA (https://www.youtube.com/channel/UCoJhWyGmrTii_l8LlwhbO9A) and via ZOOM. After each Read More …
Massive galaxies and a fraction of lower mass galaxies in the Local Universe host a super massive black hole in their centre. Their mass ranges between millions and tens billions solar masses. When matter from the galaxies falls into the Read More …
🚀 Charly is a Post doctoral research associate working on X-ray optics development, specialising in Micro Pore Optics (MPOs) for lobster eye X-ray telescopes. She has worked on ESA’s BepiColomb MIXS instrument and the MXT on the Chinese-French mission SVOM. Read More …
Prof. A. Zezas (Univ. of Crete) IAASARS NOA is inviting you to a scheduled Zoom meeting. Topic: Extragalactic Meeting (X-ray +) . A. ZezasTime: Dec 2, 2021 12:00 Athens Join Zoom Meetinghttps://us02web.zoom.us/j/88903733705?pwd=a0E3d1Z1RFZoY2tTWTkwRzM2cDdLQT09 Meeting ID: 889 0373 3705Passcode: 620115
Matter in the Universe is not evenly distributed but forms a cosmic web of filaments shaped by gravity, with galaxy clusters found at their intersections. Galaxy clusters are the largest bound entities in the Universe – they trace the highest Read More …
