Spectral ages of 34 Myr (WAT) and 21 Myr (HT) are much younger than dynamical ages of 140-700 Myr, indicating IGM interactions and possible re-acceleration.
Cluster identification via Voronoi tessellation
1 Pith paper cite this work. Polarity classification is still indexing.
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Pith paper citing it
abstract
We propose an automated method for detecting galaxy clusters in imaging surveys based on the Voronoi tessellation technique. It appears very promising, expecially for its capability of detecting clusters indipendently from their shape. After a brief explanation of our use of the algorithm, we show here an example of application based on a strip of the ESP Key Programme complemented with galaxies of the COSMOS/UKST Southern Sky Catalogue supplied by the Anglo- Australian Observatory.
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astro-ph.CO 1years
2026 1verdicts
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Radio spectral properties and aging of two tailed radio galaxies in a galaxy group at z=0.35
Spectral ages of 34 Myr (WAT) and 21 Myr (HT) are much younger than dynamical ages of 140-700 Myr, indicating IGM interactions and possible re-acceleration.