1,436 datasets found

Keywords: galaxy clusters

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  • Abundances in intracluster medium with XMM

    XMM-Newton observations of 19 galaxy clusters are used to measure the elemental abundances and their spatial distributions in the intracluster medium. The sample mainly consists...
  • 1.4GHz obs. and optical ident. in A3558

    We present Very Large Array (VLA) 1.4GHz (21cm) observations of the region between the centres of A3558 and A3562, in the major cluster merger complex of the Shapley...
  • X-ray clusters of galaxies

    A new method for a simultaneous search for clusters of galaxies in X-ray photon maps and optical galaxy maps is described. The method appears ideally suited for the analysis of...
  • BVR photometry of MS0302+17

    We investigate the supercluster MS0302+17 (ClG 0302+17, z~0.42) using weak lensing analysis and deep wide field BVR photometry with the CFH12K camera. Using (B-V) vs (V-R)...
  • Velocities of spiral galaxies in distant clusters

    We have conducted an observing campaign with the FORS instruments at the ESO-Very Large Telescope to explore the kinematical properties of spiral galaxies in distant galaxy...
  • RASS-SDSS Galaxy Clusters Survey. I.

    The tables list the optical and X-rays properties of the RASS-SDSS galaxy clusters catalog. The catalog contains 114 X-ray selected systems in the area observed by the Sloan...
  • Photometry and Metallicity in ABCG 209 galaxies

    We analyse the properties of galaxy populations in the rich Abell cluster ABCG 209 at redshift z~0.21, on the basis of spectral classification of 102 member galaxies. We take...
  • Redshifts of 119 galaxies in ACO 1367

    Redshifts of 119 galaxies in the Abell cluster 1367 are presented. The majority (98) were obtained with the AF2-WYFFOS multi fiber spectrograph at the 4.2m William Herschel...
  • BVRIK photometry of A2163B galaxies

    We present a detailed analysis of the photometric properties of galaxies in the cluster A2163B at redshift z~0.2 . R-, I- and K-band structural parameters, (half light radius...
  • Redshifts of 5 EDisCS galaxy clusters

    Spectroscopic observations are presented for objects in the fields of 4 galaxy clusters at z=0.7-0.8 (Cl 1040.7-1155 (Cl 1040), Cl 1054.4-1146 (Cl 1054-11), Cl 1054.7-1245 (Cl...
  • Stellar populations of CL 0048-2942

    We present a detailed study of the cluster CL 0048-2942, located at z~0.64, based on a photometric and spectroscopic catalogue of 54 galaxies in a 5x5arcmin^2^ region centred in...
  • VRI photometry of Abell 3921 galaxies

    We present the analysis and results of a new VRI photometric and spectroscopic survey of the central ~1.8x1.2Mpc^2^ region of the galaxy cluster A3921 (z=0.094). We detect the...
  • B-band photometry of ellipticals in Virgo

    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...
  • VLT spectroscopic survey of RX J0152.7-1357

    We present the results of an extensive spectroscopic survey of RX J0152.7-1357, one of the most massive distant clusters of galaxies known. Multi-object spectroscopy, carried...
  • Redshifts of galaxies in 21 EIS cluster fields

    We have carried out an investigation of the properties of low redshift EIS clusters using both spectroscopy and imaging data. We present new redshifts for 738 galaxies in 21 ESO...
  • High-redshift galaxy clusters

    We present new spectroscopic data in the field of five high-redshift (z>~0.6) candidate galaxy clusters, drawn from the EIS Cluster Candidate Catalog. A total of 327 spectra...
  • ESO Distant Cluster Survey, EDisCS

    We present the ESO Distant Cluster Survey (EDisCS) a survey of 20 distant galaxy clusters with redshifts ranging from 0.4 to 0.8. Candidate clusters were chosen from among the...
  • VGCF detection of galaxy systems

    We present a catalog of the 48 Voronoi Galaxy Cluster Finder (VGCF) cluster detections. We provide a cluster ID, signal to noise ratios (SNR) in the B, V, R and I bands,...
  • New star clusters in M33

    In this work we present the detection of 33 star clusters and 51 candidates in one field of the near by galaxy M 33. This study is based on WFC/ACS images available from the HST...
  • Systems of galaxies in Shapley supercluster

    Based on the largest compilation of galaxies with redshift in the region of the Shapley Supercluster (Proust et al., 2004 in prep., 2006A&A...447..133P), we identified 122...
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