The cool wake around 4C 34.16 as seen by XMM-Newton

Irini Sakelliou; MR Merrifield; [No Value] [No Value]; Ian Stevens; Trevor Ponman

doi:10.1111/j.1365-2966.2005.09093.x

The cool wake around 4C 34.16 as seen by XMM-Newton

Irini Sakelliou, MR Merrifield, [No Value] [No Value], Ian Stevens, Trevor Ponman

Physics and Astronomy

Research output: Contribution to journal › Article

12 Citations (Scopus)

Abstract

We present XMM-Newton observations of the wake-radio galaxy system 4C 34.16, which shows a cool and dense wake trailing behind the host galaxy of 4C 34.16. A comparison with numerical simulations is enlightening, as they demonstrate that the wake is produced mainly by ram pressure stripping during the galactic motion through the surrounding cluster. The mass of the wake is a substantial fraction of the mass of the X-ray halo of an elliptical galaxy. This observational fact supports a wake formation scenario similar to that recently demonstrated numerically by Acreman et al.: the host galaxy of 4C 34.16 has fallen into its cluster, and is currently crossing its central regions. A substantial fraction of its X-ray halo has been stripped by ram pressure, and remains behind to form the galaxy wake.

Original language	English
Pages (from-to)	1069-1076
Number of pages	8
Journal	Royal Astronomical Society. Monthly Notices
Volume	360
Issue number	3
DOIs	https://doi.org/10.1111/j.1365-2966.2005.09093.x
Publication status	Published - 1 Jul 2005

Keywords

ISM : kinematics and dynamics
X-rays : ISM
X-rays : galaxies : clusters
galaxies : interactions
galaxies : clusters : general

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10.1111/j.1365-2966.2005.09093.x

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title = "The cool wake around 4C 34.16 as seen by XMM-Newton",

abstract = "We present XMM-Newton observations of the wake-radio galaxy system 4C 34.16, which shows a cool and dense wake trailing behind the host galaxy of 4C 34.16. A comparison with numerical simulations is enlightening, as they demonstrate that the wake is produced mainly by ram pressure stripping during the galactic motion through the surrounding cluster. The mass of the wake is a substantial fraction of the mass of the X-ray halo of an elliptical galaxy. This observational fact supports a wake formation scenario similar to that recently demonstrated numerically by Acreman et al.: the host galaxy of 4C 34.16 has fallen into its cluster, and is currently crossing its central regions. A substantial fraction of its X-ray halo has been stripped by ram pressure, and remains behind to form the galaxy wake.",

keywords = "ISM : kinematics and dynamics, X-rays : ISM, X-rays : galaxies : clusters, galaxies : interactions, galaxies : clusters : general",

author = "Irini Sakelliou and MR Merrifield and {[No Value]}, {[No Value]} and Ian Stevens and Trevor Ponman",

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T1 - The cool wake around 4C 34.16 as seen by XMM-Newton

AU - Sakelliou, Irini

AU - Merrifield, MR

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AU - Stevens, Ian

AU - Ponman, Trevor

PY - 2005/7/1

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N2 - We present XMM-Newton observations of the wake-radio galaxy system 4C 34.16, which shows a cool and dense wake trailing behind the host galaxy of 4C 34.16. A comparison with numerical simulations is enlightening, as they demonstrate that the wake is produced mainly by ram pressure stripping during the galactic motion through the surrounding cluster. The mass of the wake is a substantial fraction of the mass of the X-ray halo of an elliptical galaxy. This observational fact supports a wake formation scenario similar to that recently demonstrated numerically by Acreman et al.: the host galaxy of 4C 34.16 has fallen into its cluster, and is currently crossing its central regions. A substantial fraction of its X-ray halo has been stripped by ram pressure, and remains behind to form the galaxy wake.

AB - We present XMM-Newton observations of the wake-radio galaxy system 4C 34.16, which shows a cool and dense wake trailing behind the host galaxy of 4C 34.16. A comparison with numerical simulations is enlightening, as they demonstrate that the wake is produced mainly by ram pressure stripping during the galactic motion through the surrounding cluster. The mass of the wake is a substantial fraction of the mass of the X-ray halo of an elliptical galaxy. This observational fact supports a wake formation scenario similar to that recently demonstrated numerically by Acreman et al.: the host galaxy of 4C 34.16 has fallen into its cluster, and is currently crossing its central regions. A substantial fraction of its X-ray halo has been stripped by ram pressure, and remains behind to form the galaxy wake.

KW - ISM : kinematics and dynamics

KW - X-rays : ISM

KW - X-rays : galaxies : clusters

KW - galaxies : interactions

KW - galaxies : clusters : general

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JO - Royal Astronomical Society. Monthly Notices

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The cool wake around 4C 34.16 as seen by XMM-Newton

Abstract

Keywords

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