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Related papers: Models of the Intergalactic Gas in Stephan's Quint…

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We present smoothed particle hydrodynamic models of the interactions in the compact galaxy group, Stephan's Quintet. This work is extension of the earlier collisionless N-body simulations of Renaud et al. in which the large-scale stellar…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-30 Jeong-Sun Hwang , Curtis Struck , Florent Renaud , Philip Appleton

The Stephan's Quintet (SQ) is a famous interacting compact group of galaxies in an important stage of dynamical evolution, but surprisingly very few spectroscopic studies are found in the literature. We present optical integral field…

Astrophysics of Galaxies · Physics 2015-06-19 M. Rodriguez-Baras , F. F. Rosales-Ortega , A. I. Diaz , S. F. Sanchez , A. Pasquali

We present simulations of the compact galaxy group Stephan's Quintet (SQ) including magnetic fields, performed with the N-body/smoothed particle hydrodynamics (SPH) code \textsc{Gadget}. The simulations include radiative cooling, star…

Astrophysics of Galaxies · Physics 2015-06-05 Annette Geng , Alexander M. Beck , Klaus Dolag , Florian Bürzle , Marcus C. Beck , Hanna Kotarba , Peter Nielaba

Stephan's Quintet (SQ) is a nearby compact galaxy group and a perfect laboratory for studying the process of galaxy evolution through galaxy harassment and interaction. By analysing the kinematics of SQ we aim to provide an increased…

Astrophysics of Galaxies · Physics 2021-12-11 M. Yttergren , P. Misquitta , Á. Sánchez-Monge , M. Valencia-S , A. Eckart , A. Zensus , T. Peitl-Thiesen

Stephan's Quintet (SQ) is a system consisting of at least four interacting galaxies which is well known for its complex dynamical and star formation history. It possesses a rich intergalactic medium (IGM), where hydrogen clouds, both atomic…

We map for the first time the two-dimensional H_2 excitation of warm intergalactic gas in Stephan's Quintet on group-wide (50 x 35 kpc^2) scales to quantify the temperature, mass and warm-H_2 mass fraction as a function of position using…

Astrophysics of Galaxies · Physics 2017-02-15 P. N. Appleton , P. Guillard , A. Togi , K. Alatalo , F. Boulanger , M. Cluver , G. Pineau des Forets , U. Lisenfeld , P. Ogle , C. K. Xu

Chandra observations of the compact galaxy group known as Stephan's Quintet (SQ) are presented. The major morphological features that were discovered with the ROSAT HRI are now imaged with higher resolution and S/N. The large scale shock…

Astrophysics · Physics 2011-05-23 G. Trinchieri , J. Sulentic , D. Breitschwerdt , W. Pietsch

We combine JWST and HST imaging with ALMA~CO(2-1) spectroscopy to study the highly turbulent multi-phase intergalactic medium (IGM) in Stephan's Quintet on 25-150 pc scales. Previous Spitzer observations revealed luminous H$_2$ line cooling…

Stephan's Quintet (SQ), the prototypical compact group of galaxies in the local Universe, has been observed with the imaging Fourier transform spectrometer SITELLE, attached to the CFHT, to perform a deep search for intergalactic…

Astrophysics of Galaxies · Physics 2019-09-13 S. Duarte Puertas , J. Iglesias-Páramo , J. M. Vilchez , L. Drissen , C. Kehrig , T. Martin

Stephan's Quintet (SQ, distance=85$\pm$6 Mpc) is unique among compact groups of galaxies. Observations have previously shown that interactions between multiple members, including a high-speed intruder galaxy currently colliding into the…

Astrophysics of Galaxies · Physics 2022-08-11 C. K. Xu , C. Cheng , P. N. Appleton , P. -A. Duc , Y. Gao , N. -Y. Tang , M. Yun , Y. S. Dai , J. -S. Huang , U. Lisenfeld , F. Renaud

The evolution of compact groups of galaxies may represent one of the few places in the nearby universe in which massive galaxies are being forged through a complex set of processes involving tidal interaction, ram-pressure stripping, and…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-19 Florent Renaud , Philip N. Appleton , C. Kevin Xu

We use a deep Chandra observation to examine the structure of the hot intra-group medium of the compact group of galaxies Stephan's Quintet. The group is thought to be undergoing a strong dynamical interaction as an interloper, NGC 7318b,…

Astrophysics · Physics 2011-02-11 E. O'Sullivan , S. Giacintucci , J. M. Vrtilek , S. Raychaudhury , L. P. David

Stephan's Quintet (SQ) is a compact group that we find in an atypical moment when a high velocity intruder is passing through it. The intrusion is particularly interesting because a previous intruder had stripped most of the gas from the…

The prototype compact group known as Stephan's Quintet (SQ) was observed with XMM-Newton in order to complement the excellent resolution of Chandra with high sensitivity to extended emission. SQ is a dynamic environment whose main effect,…

Astrophysics · Physics 2009-11-11 G. Trinchieri , J. Sulentic , W. Pietsch , D. Breitschwerdt

Stephan's Quintet (SQ) is a Hickson Compact Group well known for its complex dynamical and star formation history and its rich intergalactic medium (IGM). In order to study the extent, origin and fate of the intergalactic molecular gas and…

We report on single-dish radio CO observations towards the inter-galactic medium (IGM) of the Stephan's Quintet (SQ) group of galaxies. Extremely bright mid-IR H2 rotational line emission from warm molecular gas has been detected by Spitzer…

We analysed the Spitzer maps of Stephan's Quintet in order to investigate the nature of the dust emission associated with the X-ray emitting regions of the large scale intergalactic shock and of the group halo. This emission can in…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-04 G. Natale , R. J. Tuffs , C. K. Xu , C. C. Popescu , J. Fischera , U. Lisenfeld , N. Lu , P. Appleton , M. Dopita , P. -A. Duc , Y. Gao , W. Reach , J. Sulentic , M. Yun

Compact galaxy groups are ideal laboratories for studying the effects of interactions between AGN and multiple nearby galaxies. Recent JWST observations of the nearby compact group Stephan's Quintet highlight tidal flows between the…

New multi-band observations of the famous compact group of galaxies Stephan's Quintet (SQ) are presented and analyzed. These include far infrared (FIR) images at 60$\mu m$ and 100$\mu m$ (ISOPHOT C-100 camera), radio continuum images at 1.4…

Astrophysics · Physics 2008-11-26 C. K. Xu , N. Lu , J. J. Condon , M. Dopita , R. J. Tuffs

We present the discovery of strong mid-infrared emission lines of molecular hydrogen of apparently high velocity dispersion (~870 km/s) originating from a group-wide shock wave in Stephan's Quintet. These Spitzer Space Telescope…

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