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08May

Observations Indicate That The X-Ray Source AX J145732−5901 Is Likely A Galaxy Cluster

Credit: PixabayJapanese astronomers have found that the unknown X-ray source AX J145732−5901 is a galaxy cluster behind the galactic plane. The researchers outlined these findings in a paper released on April 30 on the arXiv preprint server.Discovery and Early Observations of AX J145732−5901 with ASCANASA launched the ASCA satellite in 1993 to study distant...

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17Apr

Astronomers Spot Radio Halo in Massive Galaxy Cluster

Archival Chandra image of ACT-CL J0329. Credit: Sikhosana et al., 2024.A global team of astronomers conducted radio observations of the large galaxy cluster ACT-CL J0329.2-2330, uncovering a new radio halo within the cluster. The discovery was detailed in a research paper published on April 5 on the pre-print server arXiv.In fact, radio halos are...

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