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相关论文: Blueshifted galaxies in the Virgo Cluster

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The observed infall of galaxies into the Virgo Cluster puts strong constraints on the mass of the cluster. A non-parametric fully non-linear description of the infall can be made with orbit reconstructions based on Numerical Action Methods.…

天体物理学 · 物理学 2009-11-10 Brent Tully , Roya Mohayaee

Spiral galaxies that are deficient in neutral Hydrogen are observed on the outskirts of the Virgo cluster. If their orbits have crossed the inner parts of the cluster, their interstellar gas may have been lost through ram pressure stripping…

天体物理学 · 物理学 2007-05-23 G. A. Mamon , T. Sanchis , E. Salvador-Sole' , J. M. Solanes , .

We present preliminary results of VLA HI imaging of selected Virgo cluster galaxies. The goal is to study environmental effects on galaxy evolution. Our sample of 41 galaxies is spread throughout the cluster and spans a wide range in star…

天体物理学 · 物理学 2007-05-23 Aeree Chung , J. H. van Gorkom , Jeffery D. P. Kenney , Bernd Vollmer

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

We have carried out a search for substructure within the globular cluster systems of M84 (NGC 4374) and M86 (NGC 4406), two giant elliptical galaxies in the Virgo Cluster. We use wide-field (36 arcmin x 36 arcmin), multi-color broadband…

星系天体物理 · 物理学 2020-09-09 Ryan A. Lambert , Katherine L. Rhode , Enrico Vesperini

The temperature distribution of the intracluster medium (ICM) in the Virgo cluster of galaxies has been derived from extensive mapping observations with ASCA covering an area of 19 deg^2. In the spectral analysis, the inner region within a…

天体物理学 · 物理学 2009-10-31 R. Shibata , K. Matsushita , N. Y. Yamasaki , T. Ohashi , M. Ishida , K. Kikuchi , H. Boehringer , H. Matsumoto

We present galaxy circular velocity functions (GCVFs) for 34 low redshift (z < 0.15) clusters identified in the Sloan Digital Sky Survey (SDSS), for fifteen clusters drawn from dark matter simulations of hierarchical structure growth in a…

天体物理学 · 物理学 2008-11-26 V. Desai , J. J. Dalcanton , L. Mayer , D. Reed , T. Quinn , F. Governato

High sensitivity (rms noise $\sim 0.5$ mJy) 21-cm HI line observations were made of 33 galaxies in the Virgo cluster, using the refurbished Arecibo telescope, which resulted in the detection of 12 objects. These data, combined with the…

天体物理学 · 物理学 2009-11-10 G. Gavazzi , A. Boselli , W. van Driel , K. O'Neil

The surface brightness fluctuation (SBF) method is a robust and efficient way of measuring distances to galaxies containing evolved stellar populations. Although many recent applications of the method have used space-based imaging, SBF…

A new installment of neutral hydrogen mappings of Blue Compact Dwarf galaxies, as defined by optical morphology, in and near the Virgo cluster is presented. The primary motivation was to search for outlying clouds of HI as potential…

天体物理学 · 物理学 2009-11-10 G. L. Hoffman , N. Brosch , E. E. Salpeter , N. J. Carle

The presence on the Virgo cluster outskirts of spiral galaxies with gas deficiencies as strong as those of the inner galaxies stripped by the intracluster medium has led us to explore the possibility that some of these peripheral objects…

天体物理学 · 物理学 2009-11-07 Teresa Sanchis , Jose M. Solanes , Eduard Salvador-Sole , Pascal Fouque , Alberto Manrique

We present a dynamical analysis of the globular cluster system associated with M87 (= NGC 4486), the cD galaxy near the dynamical center of the Virgo cluster. The analysis utilizes a new spectroscopic and photometric database which is…

(Abridged) We present an analysis of the stellar populations of the gas-stripped outer disks of ten Virgo Cluster spiral galaxies, utilizing SparsePak integral field spectroscopy on the WIYN 3.5m telescope and GALEX UV photometry. The…

天体物理学 · 物理学 2009-11-13 Hugh H. Crowl , Jeffrey D. P. Kenney

We present 21 cm observations of a 10 $\times$ 2 degree region in the Virgo cluster, obtained as part of the Arecibo Galaxy Environment Survey. 289 sources are detected over the full redshift range (-2,000 $<$ $v$$_{hel}$ $<$ + 20,000 km/s)…

星系天体物理 · 物理学 2015-06-04 R. Taylor , J. I. Davies , R. Auld , R. F. Minchin

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

Keck/ESI spectroscopy is presented for six Virgo Cluster dwarf elliptical (dE) galaxies. The mean line-of-sight velocity and velocity dispersion are resolved as a function of radius along the major axis of each galaxy, nearly doubling the…

天体物理学 · 物理学 2009-11-07 M. Geha , P. Guhathakurta , R. van der Marel

We measure the galaxy luminosity function (LF) for the Virgo Cluster between blue magnitudes M_B = -22 and M_B = -11 from wide-field CCD imaging data. The LF is only gradually rising for -22 < M_B < -16. Between M_B = -16 and M_B = -14 it…

天体物理学 · 物理学 2008-11-26 Neil Trentham , Simon Hodgkin

Using accurate distances to individual Virgo cluster galaxies obtained by the method of Surface Brightness Fluctuations, we show that Virgo's brightest ellipticals have a remarkably collinear arrangement in three dimensions. This axis,…

天体物理学 · 物理学 2009-10-31 Michael J. West , John P. Blakeslee

Deep observations of 6cm polarized radio continuum emission of 8 Virgo spiral galaxies are presented. All galaxies show strongly asymmetric distributions of polarized intensity with elongated ridges located in the outer galactic disk. Such…

天体物理学 · 物理学 2009-11-13 B. Vollmer , M. Soida , R. Beck , M. Urbanik , K. Chyzy , K. Otmianowska-Mazur , J. Kenney , J. van Gorkom

This paper is the first of a series considering the properties of distribution of nearby galaxies in the low density regions. Among 7596 galaxies with radial velocities V_{LG}<3500 km/s, absolute magnitudes M_K<-18.4^m$, and Galactic…

宇宙学与河外天体物理 · 物理学 2015-06-11 I. D. Karachentsev , V. E. Karachentseva , O. V. Melnyk , A. A. Elyiv , D. I. Makarov