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Related papers: Blueshifted galaxies in the Virgo Cluster

200 papers

Despite the common picture of an early-type dwarf (dE) as a quiescent galaxy with no star formation and little gas, we identify 23 dEs that have blue central colors caused by recent or ongoing star formation in our sample of 476 Virgo…

Astrophysics · Physics 2008-11-26 Thorsten Lisker , Katharina Glatt , Pieter Westera , Eva K. Grebel

(abridged) We perform hydrodynamical simulations of minor-merger induced gas sloshing and the subsequent formation of cold fronts in the Virgo cluster. We show for the first time that sloshing reproduces all characteristics of the observed…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-19 Elke Roediger , Marcus Brüggen , Aurora Simionescu , Hans Böhringer , Eugene Churazov , William R. Forman

X-ray observations of clusters at different redshifts are presented and compared. For the nearest cluster -- the Virgo cluster -- we show a comparison of the galaxy distribution and the distribution of the intra-cluster gas. Although the…

Astrophysics · Physics 2007-05-23 S. Schindler

The Advanced Camera for Surveys (ACS) on HST has been used to image two fields in the core of the Virgo cluster that contain a number of dwarf elliptical galaxies. The combined F555W and F814W images have resolved red giant stars in these…

Astrophysics · Physics 2008-11-26 Nelson Caldwell

Optical multi-slit spectra have been obtained for 47 globular clusters surrounding the brightest Virgo elliptical NGC 4472 (M49). Including data from the literature, we analyze velocities for a total sample of 57 clusters and present the…

Astrophysics · Physics 2009-10-30 R. M. Sharples , S. E. Zepf , T. J. Bridges , D. A. Hanes , D. Carter , K. M. Ashman , D. Geisler

An observational evidence is presented for the alignment between the cosmic sheet and the principal axis of the velocity shear field at the position of the Virgo cluster. The galaxies in and around the Virgo cluster from the Extended Virgo…

Astrophysics of Galaxies · Physics 2015-06-22 Jounghun Lee , Soo-Chang Rey , Suk Kim

We present the spectroscopic confirmation of a galaxy cluster at $z=2.095$ in the COSMOS field. This galaxy cluster was first reported in the ZFOURGE survey as harboring evolved massive galaxies using photometric redshifts derived with deep…

We present a list of 75 isolated late-type dwarf galaxies which have no neighbors with a relative radial velocity difference of less than 500 km/s or projected separations within 500 kpc. These were selected from $\sim$2000 dwarf galaxies…

Cosmology and Nongalactic Astrophysics · Physics 2011-04-14 V. E. Karachentseva , I. D. Karachentsev , M. E. Sharina

We report a list of groups consisting of dwarf galaxies only. The sample contains 126 objects, mainly combined in pairs. The most populated group contains six dwarf galaxies. The majority of systems considered reside in the low-density…

Cosmology and Nongalactic Astrophysics · Physics 2012-04-26 D. I. Makarov , R. I. Uklein

The impact of the cluster environment on the evolution of dwarf galaxies is investigated by comparing the properties of a sample of dwarf irregulars (dIs) in the Virgo Cluster with a control sample of nearby ("field") dIs having oxygen…

Astrophysics · Physics 2009-11-07 Henry Lee , Marshall L. McCall , Michael G. Richer

The XRISM/Resolve microcalorimeter directly measured the gas velocities in the core of the Virgo Cluster, the closest example of AGN feedback in a cluster. This proximity allows us to resolve the kinematic impact of feedback on scales down…

Astrophysics of Galaxies · Physics 2025-12-09 XRISM Collaboration , M. Audard , H. Awaki , R. Ballhausen , A. Bamba , E. Behar , R. Boissay-Malaquin , L. Brenneman , G. V. Brown , L. Corrales , E. Costantini , R. Cumbee , M. Diaz Trigo , C. Done , T. Dotani , K. Ebisawa , M. E. Eckart , D. Eckert , S. Eguchi , T. Enoto , Y. Ezoe , A. Foster , R. Fujimoto , Y. Fujita , Y. Fukazawa , K. Fukushima , A. Furuzawa , L. Gallo , J. A. García , L. Gu , M. Guainazzi , K. Hagino , K. Hamaguchi , I. Hatsukade , K. Hayashi , T. Hayashi , N. Hell , E. Hodges-Kluck , A. Hornschemeier , Y. Ichinohe , D. Ishi , M. Ishida , K. Ishikawa , Y. Ishisaki , J. Kaastra , T. Kallman , E. Kara , S. Katsuda , Y. Kanemaru , R. Kelley , C. Kilbourne , S. Kitamoto , S. Kobayashi , T. Kohmura , A. Kubota , M. Leutenegger , M. Loewenstein , Y. Maeda , M. Markevitch , H. Matsumoto , K. Matsushita , D. McCammon , B. McNamara , F. Mernier , E. D. Miller , J. M. Miller , I. Mitsuishi , M. Mizumoto , T. Mizuno , K. Mori , K. Mukai , H. Murakami , R. Mushotzky , H. Nakajima , K. Nakazawa , J. -U. Ness , K. Nobukawa , M. Nobukawa , H. Noda , H. Odaka , S. Ogawa , A. Ogorzałek , T. Okajima , N. Ota , S. Paltani , R. Petre , P. Plucinsky , F. S. Porter , K. Pottschmidt , K. Sato , T. Sato , M. Sawada , H. Seta , M. Shidatsu , A. Simionescu , R. Smith , H. Suzuki , A. Szymkowiak , H. Takahashi , M. Takeo , T. Tamagawa , K. Tamura , T. Tanaka , A. Tanimoto , M. Tashiro , Y. Terada , Y. Terashima , Y. Tsuboi , M. Tsujimoto , H. Tsunemi , T. Tsuru , A. Tümer , H. Uchida , N. Uchida , Y. Uchida , H. Uchiyama , S. Ueda , Y. Ueda , S. Uno , J. Vink , S. Watanabe , B. J. Williams , S. Yamada , S. Yamada , H. Yamaguchi , K. Yamaoka , N. Yamasaki , M. Yamauchi , S. Yamauchi , T. Yaqoob , T. Yoneyama , T. Yoshida , M. Yukita , I. Zhuravleva , M. Charbonneau , N. Dizdar , M. Fujita , D. Ito , J. Martin , H. McCall , H. Russell , J. ZuHone

We report the discovery of 4 candidate intracluster globular clusters (IGCs) in a single deep HST ACS field of the Virgo Cluster. We show that each cluster is roughly spherical, has a magnitude near the peak of the Virgo globular cluster…

We present $V$ and $I$ photometry for $\sim 150$ globular clusters with $20 < V < 27$ $\sim 2.5$ arcmin from the centre of M87, the cD galaxy in the Virgo cluster. The data were acquired with the Hubble Space Telescope which, with effective…

Astrophysics · Physics 2015-06-24 Rebecca A. W. Elson , Basilio X. Santiago

In this Paper we investigate the kinematical properties of early-type dwarfs by significantly enlarging the scarce observational sample so far available. We present rotation curves and mean velocity dispersions for four bright dwarf…

Astrophysics · Physics 2016-08-30 S. Pedraz , J. Gorgas , N. Cardiel , P. Sanchez-Blazquez , R. Guzman

We report the discovery of 11 very faint (r< 23), low surface brightness ({\mu}_r< 27 mag/arcsec^2) dwarf galaxies in one deep field in the Virgo cluster, obtained by the prime focus cameras (LBC) at the Large Binocular Telescope (LBT).…

Cosmology and Nongalactic Astrophysics · Physics 2017-08-09 N. Menci , E. Giallongo , A. Grazian , D. Paris , A. Fontana , L. Pentericci

We investigate the dwarf (M_B> -16) galaxies in the Virgo cluster in the radio, optical, and ultraviolet regimes. Of the 365 galaxies in this sample, 80 have been detected in HI by the Arecibo Legacy Fast ALFA survey. These detections…

In this study we investigate the optical photometric properties of early-type galaxies in the Virgo cluster core region, by analysing their location on the colour magnitude relation (CMR) and the structural scaling relations down to faint…

Cosmology and Nongalactic Astrophysics · Physics 2011-12-01 Stefan Lieder , Thorsten Lisker , Michael Hilker , Ingo Misgeld , Patrick Durrell

Radial velocities of 40 intracluster planetary nebulae (ICPNe) in the Virgo cluster were obtained with the new multi-fiber FLAMES spectrograph on UT2 at VLT. For the first time, the lambda 4959 AA line of the [OIII] doublet is seen in a…

Radial velocities and metallicities have been measured for 82 RR Lyrae identified by the QUEST survey in the direction of the Virgo constellation. Distributed over 90 sq. deg. of the sky, they lie from 4 to 23 kpc from the Sun. Using an…

Astrophysics of Galaxies · Physics 2014-07-02 Sonia Duffau , A. Katherina Vivas , Robert Zinn , René Méndez , María Teresa Ruiz