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Ram pressure stripping equation12/29/2023 ![]() Since the seminal work of Dressler (1980), it has become evident that the environment plays a major role in shaping galaxy evolution. Open Access article, published by EDP Sciences, under the terms of the Creative Commons Attribution License ( ), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. The density of the gas derived using the observed λ3729/ λ3726 line ratio implies a very short recombination time, suggesting that a source of ionisation is necessary to keep the gas ionised within the tail. This observation is thus the first evidence that dynamical interactions with the intracluster medium were active when the Universe was only half its present age. All this observational evidence suggests that the gas was removed during a ram-pressure stripping event. The tails, which have a cometary shape with a typical surface brightness of a few 10 −18 erg s −1 cm −2 arcsec −2, extend up to ≃100 kpc (projected distance) from the galaxy discs, and are not associated with any stellar component. Multi-Unit Spectroscopic Explorer (MUSE) observations of the cluster of galaxies CGr32 ( M 200 ≃ 2 × 10 14 M ⊙) at z = 0.73 reveal the presence of two massive star-forming galaxies with extended tails of diffuse gas detected in the λ λ3727–3729 Å emission-line doublet. Leibniz-Institut für Astrophysik Potsdam (AIP), An der Sternwarte 16, 14482 Potsdam, Germany Stockholm University, Department of Astronomy and Oskar Klein Centre for Cosmoparticle Physics, AlbaNova, University Centre, 10691 Stockholm, Sweden Lyon1, ENS de Lyon, CNRS, Centre de Recherche Astrophysique de Lyon UMR5574, 69230 Saint-Genis-Laval, France Instituto de Astrofísica e Ciências do Espaço, Universidade do Porto, CAUP, Rua das Estrelas, 4150-762 Porto, Portugal Leiden Observatory, Leiden University, PO Box 9513, 2300 RA Leiden, The Netherlands ![]() Weilbacher 7Īix Marseille Univ., CNRS, CNES, LAM, Marseille, FranceĮ-mail: Université de Toulouse, CNRS, CNES, UPS, Toulouse, France Astronomical objects: linking to databasesĪ.Including author names using non-Roman alphabets.Suggested resources for more tips on language editing in the sciences Punctuation and style concerns regarding equations, figures, tables, and footnotes
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