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Ram pressure stripping may be the dominant mechanisms driving the evolution of galaxy colors in groups and clusters. In this paper, an analytic model of ram pressure stripping is confronted with observations of galaxy colors and star…

Astrophysics · Physics 2007-05-23 J. A. Hester

Ram Pressure Stripping can remove gas from satellite galaxies in clusters via a direct interaction between the intracluster medium (ICM) and the interstellar medium. This interaction is generally thought of as a contact force per area,…

Astrophysics of Galaxies · Physics 2021-04-28 Stephanie Tonnesen , Greg L. Bryan

Ram pressure stripping of the hot gas that surrounds normal galaxies as they fall into groups and clusters (also referred to as `strangulation' or `starvation') is generally thought to shut down star formation on a time scale of a few Gyr.…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-05 Yannick M. Bahe , Ian G. McCarthy , Robert A. Crain , Tom Theuns

Gas can be violently stripped from their galaxy disks in rich clusters, and be dispersed over 100kpc-scale tails or plumes. Young stars have been observed in these tails, suggesting they are formed in situ. This will contribute to the…

Astrophysics of Galaxies · Physics 2015-09-30 Celia Verdugo , Françoise Combes , Kalliopi Dasyra , Phillipe Salome , Jonathan Braine

We use SPH/N-body simulations to study the ram-pressure stripping of the gas of dwarf galaxies orbiting in a disc galaxy. The effects of the gaseous disc and halo on the satellites are analysed and the results are compared with the…

Astrophysics · Physics 2007-05-23 M. A. Gomez-Flechoso

We present the first study of the effect of ram-pressure "unwinding" the spiral arms of cluster galaxies. We study 11 ram-pressure stripped galaxies from GASP (GAs Stripping Phenomena in galaxies) in which, in addition to more commonly…

Ram pressure stripped galaxies are rare cases of environmental evolution in action. However, our ability to understand these galaxies is limited by the small number of identified galaxies experiencing ram pressure stripping (RPS). Our aim…

Ram pressure stripping (RPS) of gas from disk galaxies has long been considered to play vital roles in galaxy evolution within groups and clusters. For a given density of intracluster medium (ICM) and a given velocity of a disk galaxy, RPS…

Astrophysics of Galaxies · Physics 2018-11-21 Kenji Bekki

IRAM 30m 12CO(1-0) and 12CO(2-1) HERA observations are presented for the ram-pressure stripped Virgo spiral galaxy NGC 4522. The CO emission is detected in the galactic disk and the extraplanar gas. The extraplanar CO emission follows the…

Astrophysics · Physics 2009-11-13 B. Vollmer , J. Braine , C. Pappalardo , P. Hily-Blant

Ram pressure stripping of galactic gas is generally assumed to be inefficient in galaxy groups due to the relatively low density of the intragroup medium and the small velocity dispersions of groups. To test this assumption, we obtained…

Astrophysics · Physics 2009-11-11 Jesper Rasmussen , Trevor J. Ponman , John S. Mulchaey

We investigate the effect of ram-pressure from the intracluster medium on the stripping of HI gas in galaxies in a massive, relaxed, X-ray bright, galaxy cluster at z=0.2 from the Blind Ultra Deep HI Environmental Survey (BUDHIES). We use…

Astrophysics of Galaxies · Physics 2015-06-23 Yara L. Jaffe , Rory Smith , Graeme N. Candlish , Bianca M. Poggianti , Yun-Kyeong Sheen , Marc A. W. Verheijen

Context: Several galaxies in the Virgo cluster are known to have large HI gas tails related to a recent ram-pressure stripping event. The Virgo cluster has been extensively observed at 1539 A in the far-ultraviolet for the GALEX Ultraviolet…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-11 S. Boissier , A. Boselli , P. -A. Duc , L. Cortese , W. van Driel , S. Heinis , E. Voyer , O. Cucciati , L. Ferrarese , P. Cote , J. -C. Cuillandre , S. D. J. Gwyn , S. Mei

Cluster galaxies moving through the intracluster medium (ICM) are expected to lose some of their interstellar medium (ISM) through ram pressure stripping and related ISM-ICM interactions. Using high-resolution cosmological simulations of a…

Astrophysics · Physics 2009-11-13 Stephanie Tonnesen , Greg L. Bryan

Ram-pressure stripping (RPS) is a well observed phenomenon of massive spiral galaxies passing through the hot intra-cluster medium (ICM) of galaxy clusters. For dwarf galaxies (DGs) within a cluster, the transformation from gaseous to…

Astrophysics of Galaxies · Physics 2020-04-08 Patrick Steyrleithner , Gerhard Hensler , Alessandro Boselli

Cluster spiral galaxies suffer catastrophic losses of the cool, neutral gas component of their interstellar medium due to ram pressure stripping, contributing to the observed quenching of star formation in the disk compared to galaxies in…

Astrophysics of Galaxies · Physics 2022-03-30 Ryan Jeffrey Farber , Mateusz Ruszkowski , Stephanie Tonnesen , Paco Holguin

In the recent literature there is circumstantial evidence that the viscosity of the intracluster medium may not be too far from the Spitzer value. In this letter, we present two-dimensional hydrodynamical simulations of ram pressure…

Astrophysics · Physics 2009-11-13 E. Roediger , M. Brueggen

Galaxies inhabit a wide range of environments and therefore are affected by different physical mechanisms. Spatially resolved maps combined with the knowledge of the hosting environment are very powerful to classify galaxies by physical…

Aims: We investigate the effect of ram pressure stripping (RPS) on simulations of merging pairs of gas-rich spiral galaxies. Our goal is to provide an estimate of the combined effect of merging and RPS on stripping efficiency and star…

Astrophysics of Galaxies · Physics 2015-04-01 Jan Christoph Bischko , Dominik Steinhauser , Sabine Schindler

Galaxies moving through the intracluster medium (ICM) of a cluster of galaxies can lose gas via ram pressure stripping. This stripped gas forms a tail behind the galaxy which is potentially observable. In this paper, we carry out…

Cosmology and Nongalactic Astrophysics · Physics 2011-01-20 Stephanie Tonnesen , Greg L. Bryan

Galaxy evolution can be dramatically affected by the environment, especially by the dense environment of a galaxy cluster. Recent observational studies show that massive galaxies undergoing strong ram pressure stripping (RPS) also show an…

Astrophysics of Galaxies · Physics 2023-05-03 Nina Akerman , Stephanie Tonnesen , Bianca M. Poggianti , Rory Smith , Antonino Marasco