Unveiling multiple physical processes on a cluster galaxy at z = 0.3 using JWST

Abstract

We present a study of a previously identified candidate jellyfish galaxy in the Abell 2744 cluster, F0083, which showed faint signs of a tidal interaction in archival imaging. We used publicly available PSF-matched deep photometric data from the Hubble and James Webb Space Telescopes to infer the spatially resolved star formation history of this galaxy. F0083 shows clear signs of ram-pressure stripping (RPS), with a recently enhanced star formation rate (SFR) orientated towards the south-west quadrant of the stellar disc. The stellar mass surface density is heavily asymmetric, with a variation of nearly 1 dex between the western spiral arm and the postulated tidal feature. This feature appea..