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What is Discovery of the Champagne Cluster Merger about?
The document reports the discovery of a new binary galaxy cluster merger, named the Champagne Cluster, identified through a method that detects dynamically active clusters in the redMaPPer SDSS DR8 catalog. The analysis reveals a relative velocity of 411 ± 180 km/s between the two subclusters, with cosmological simulations estimating the time since pericenter at 74-250 Myr and the merger axis angle at 62° - 90°. X-ray data from Chandra and XMM-Newton provide estimates of the cluster
- Author
- MeDDevil03
- Language
- EN