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Ugmrt

All articles tagged with #ugmrt

science4 months ago•4 min saved

Quiet Galaxy Cluster Unveils a Giant 3.3-Million-Light-Year Radio Halo

Astronomers using the upgraded uGMRT and MeerKAT confirm a giant radio halo spanning 3.3 million light-years in the relatively quiet galaxy cluster RXCJ0232–4420, challenging the view that such halos only form in violent mergers. The halo shows a uniform spectral index around −1.1, extends across frequencies, and correlates with hot X-ray gas, with an eastern relic detected and the cluster in an intermediate dynamical state while preserving a cool core.

via The Daily Galaxy|

#galaxy-clusters #meerkat #radio-astronomy

astronomy2 years ago•2 min saved

"New Radio Relic Unearthed in Abell 2108 Galaxy Cluster"

Astronomers using the upgraded Giant Metrewave Radio Telescope (uGMRT) have discovered a second radio relic in the galaxy cluster Abell 2108. This newly found relic is larger and has a different morphology compared to the previously identified relic in the cluster. The discovery provides valuable insights into cluster mergers and emission processes, as well as the low-mass galaxy cluster's characteristics.

via Phys.org|

#abell-2108 #astronomers #astronomy

astronomy2 years ago•2 min saved

"Discovery of Massive Bent Radio Jet in Abell 514 Galaxy Cluster"

Astronomers using the upgraded Giant Metrewave Radio Telescope (uGMRT) have detected a large-scale bent radio jet in the galaxy cluster Abell 514. The radio emissions originate from the active galactic nucleus (AGN) and extend towards the southern periphery, with a measured size of about 2.3 million light years. The observations also revealed a discontinuity in X-ray surface brightness and high polarization, indicating jet plasma redistribution along the cold front of a recent cluster merger. This finding contributes to our understanding of large-scale structure formation and the evolution of the universe.

via Phys.org|

#abell-514 #astronomy #galaxy-cluster