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相关论文: The Principal Axis of the Virgo Cluster

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We revisit the filamentary structures of galaxies around the Virgo cluster, exploiting a larger dataset based on the HyperLeda database than previous studies. In particular, this includes a large number of low-luminosity galaxies, resulting…

We use deep V-band surface photometry of five of the brightest elliptical galaxies in the Virgo cluster to search for diffuse tidal streams, shells, and plumes in their outer halos (r > 50 kpc). We fit and subtract elliptical isophotal…

宇宙学与河外天体物理 · 物理学 2015-05-18 Steven Janowiecki , J. Christopher Mihos , Paul Harding , John J. Feldmeier , Craig Rudick , Heather Morrison

Aims. This work considers the Virgo cluster of galaxies, focusing on its structure, kinematics, and morphological landscape. Our principal aim is to estimate the virial mass of the cluster. For this purpose, we present a sample of 1537…

星系天体物理 · 物理学 2020-03-25 Olga G. Kashibadze , Igor D. Karachentsev , Valentina E. Karachentseva

Optical spectroscopy of 76 galaxies, 48 of which are projected in the direction of the Virgo cluster and 28 onto the Coma-A1367 supercluster, is reported. Adding these new measurements to those found in the literature, the redshift…

天体物理学 · 物理学 2007-05-23 G. Gavazzi , C. Bonfanti , P. Pedotti , A. Boselli , L. Carrasco

We present a new photometric catalogue of the rich globular cluster (GC) system around M87, the brightest cluster galaxy in Virgo. Using archival Next Generation Virgo cluster Survey (NGVS) images in the ugriz bands, observed with…

星系天体物理 · 物理学 2015-11-24 L. J. Oldham , M. W. Auger

The ACS Virgo Cluster Survey consists of HST ACS imaging for 100 early-type galaxies in the Virgo Cluster, observed in the F475W and F850LP filters. We derive distances for 84 of these galaxies using the method of surface brightness…

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 report on a complete CCD imaging survey of 226 elliptical galaxies in the North-East quadrant of the Virgo cluster, representative of the properties of giant and dwarf elliptical galaxies in this cluster. We fit their radial light…

天体物理学 · 物理学 2009-11-10 G. Gavazzi , A. Donati , O. Cucciati , S. Sabatini , A. Boselli , J. Davies , S. Zibetti

We undertook a surface photometry survey of 200 galaxies in the Virgo cluster (complete to B<14.0 mag) carried out in the near-Infrared (NIR) H band. Combining velocity dispersion measurements from the literature with new spectroscopic data…

天体物理学 · 物理学 2009-10-31 G. Gavazzi , A. Boselli , M. Scodeggio , D. Pierini , E. Belsole

(Abridged) The distances and HI contents of 161 spiral galaxies in the region of Virgo cluster are used to gain insight into the complicated structure of this galaxy system. The 3D galaxy distribution has been inferred from quality distance…

天体物理学 · 物理学 2009-11-07 J. M. Solanes , T. Sanchis , E. Salvador-Sole , R. Giovanelli , M. P. Haynes

We revisit the color-magnitude relation (CMR) of the Virgo cluster early-type galaxies in order to explore its alleged non-linearity. To this aim, we reanalyze the relation already published from data obtained within the ACS Virgo Cluster…

宇宙学与河外天体物理 · 物理学 2015-06-16 Analia V. Smith Castelli , Nelida M. Gonzalez , Favio R. Faifer , Juan Carlos Forte

The group of galaxies RXJ1340.6+4018 has approximately the same bolometric X-ray luminosity as other bright galaxy groups and poor clusters such as the Virgo cluster. However, 70% of the optical luminosity of the group comes from a dominant…

天体物理学 · 物理学 2007-05-23 L. R. Jones , T. J. Ponman , Duncan A. Forbes

We present deep optical imaging of the inner 1.5 x 1.5 degrees of the Virgo cluster to search for diffuse intracluster light (ICL). Our image reaches a 1 sigma depth of mu_v=28.5 mag/arcsec^2 -- 1.5 mag/arcsec^2 deeper than previous surveys…

天体物理学 · 物理学 2009-11-13 Chris Mihos , Paul Harding , John Feldmeier , Heather Morrison

Using the kinematic position angles (PA_kin), an accurate indicator for the spin axis of a galaxy, obtained from the ATLAS3D integral-field-unit (IFU) spectroscopic data, we discovered that 57 Virgo early-type galaxies tend to prefer the…

星系天体物理 · 物理学 2018-06-13 Suk Kim , Hyunjin Jeong , Jaehyun Lee , Youngdae Lee , Seok-Joo Joo , Hak-Sub Kim , Soo-Chang Rey

We analysed the orientation of galaxy groups in the Local Supercluster (LSC). It is strongly correlated with the distribution of neighbouring groups in the scale till about 20 Mpc. The group major axis is in alignment with both the line…

宇宙学与河外天体物理 · 物理学 2014-11-20 Wlodzimierz Godlowski , Piotr Flin

We report the discovery of three large (R29 >~ 1 arcminute) extremely low surface brightness (mu_(V,0) ~ 27.0) galaxies identified using our deep, wide-field imaging of the Virgo Cluster from the Burrell Schmidt telescope. Complementary…

The Virgo Cluster is the dominant mass concentration in the Local Supercluster and the largest collection of elliptical and lenticular galaxies in the nearby universe. In this paper, we present an introduction to the ACS Virgo Cluster…

We report the discovery of significant localized structures in the projected two-dimensional (2D) spatial distributions of the Globular Cluster (GC) systems of the ten brightest galaxies in the Virgo Cluster. We use catalogs of GCs…

星系天体物理 · 物理学 2015-05-27 R. D'Abrusco , G. Fabbiano , A. Zezas

We derive structural parameters for ~2000 globular clusters in the giant Virgo elliptical M87 using extremely deep Hubble Space Telescope images in F606W (V) and F814W (I) taken with the ACS/WFC. The cluster scale sizes (half-light radii…

宇宙学与河外天体物理 · 物理学 2014-11-20 Juan P. Madrid , William E. Harris , John P. Blakeslee , Matias Gomez

A galaxy's orientation is one of its most basic observable properties. Astronomers once assumed that galaxies are randomly oriented in space, however it is now clear that some have preferred orientations with respect to their surroundings.…

星系天体物理 · 物理学 2017-06-14 Michael J. West , Roberto De Propris , Malcolm N. Bremer , Steven Phillipps
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