Passive spirals and shock influenced star formation in the merging cluster A3376

20 Feb 2020 Kelkar Kshitija Dwarakanath K. S. Poggianti Bianca M. Moretti Alessia Monteiro-Oliveira Rogerio Machado Rubens Lima-Neto Gastao Fritz Jacopo Vulcani Benedetta Gullieuszik Marco Bettoni Daniela

We present a detailed analysis of star formation properties of galaxies in a nearby ($z\sim0.046$) young ($\sim$0.6 Gyr) post-merger cluster system A3376, with a moderate shock front ( $v_{s}\sim$1630 km/s) observed as symmetric radio relics. Exploiting the spectroscopic data from the wide-field OmegaWINGS survey and the associated photometric information, our investigations reveal the plausible effects of the dynamic post-merger environment differing from the putative pre-merger cluster environment... (read more)

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