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- ID:
- ivo://CDS.VizieR/VII/177
- Title:
- Redshifts and Velocity Dispersions for Abell Clusters
- Short Name:
- VII/177
- Date:
- 21 Oct 2021
- Publisher:
- CDS
- Description:
- The catalog presents a list of redshifts for 758 Abell clusters, and velocity dispersions for 121, published as of 1991 March. We present another list of 33 Abell clusters with published redshifts, most of which are probably redshifts of foreground or background galaxies superposed on, or near, the Abell clusters. Over the past 4 years, the published number of redshifts of member galaxies in clusters increased by a factor of 2.0, but the number of cluster redshifts increased by only a factor of 1.3, while the number of cluster velocity dispersions derived from 50 or more redshifts of member galaxies increased by a factor of 3.8 (from 6 to 23).
- ID:
- ivo://CDS.VizieR/VII/56
- Title:
- Redshifts for Abell Clusters
- Short Name:
- VII/56
- Date:
- 21 Oct 2021
- Publisher:
- CDS
- Description:
- The catalog gives redshifts for 329 Abell clusters, all those known to the authors in published or preprint form at the time of the compilation (through 1982). The data table has been compiled critically, based partially on a number of photometric distance estimators derived from the redshift data. These were used to evaluate probable accuracies of the redshifts and to resolve discrepancies among different values for the same clusters. The catalog includes Abell (1958) cluster numbers, redshifts, and the number of redshifts of different galaxies averaged to determine the cluster value. The machine version was prepared at the Astronomical Data Center, NASA/GSFC. Note that Struble and Rood published further compilations in 1987 (1987ApJS...63..543S) and 1991 (1991ApJS...77..363S). Other redshift compilations are also available in electronic form (see "See also" section below).
- ID:
- ivo://CDS.VizieR/VII/71
- Title:
- Redshifts for Zwicky's Near Clusters
- Short Name:
- VII/71
- Date:
- 21 Oct 2021
- Publisher:
- CDS
- Description:
- The catalog contains a list of redshifts for Zwicky's Near Clusters. All of the 503 Zwicky Near Clusters as given in the Uppsala General Catalogue of Galaxies (UGC) are listed and radial velocity information for those that have at least one galaxy with published redshift positioned within the contours given in the Zwicky catalog is provided. Redshifts of galaxies belonging to clusters is obtained from the catalog of Radial Velocities of Galaxies. The catalog includes UGC cluster numbers, Zwicky field numbers, contour numbers, positions, heliocentric cluster radial velocities, and notes.
835. Redshifts in A2125
- ID:
- ivo://CDS.VizieR/J/ApJ/613/841
- Title:
- Redshifts in A2125
- Short Name:
- J/ApJ/613/841
- Date:
- 21 Oct 2021
- Publisher:
- CDS
- Description:
- We present 371 galaxy velocities in the field of the very rich cluster A2125 (z~0.25). These were determined using optical spectroscopy collected over several years from both the WIYN 3.5m telescope and NOAO Mayall 4m telescope. Prior studies at a variety of wavelengths (radio, optical, and X-ray) have indicated that A2125 is a likely cluster-cluster merger, a scenario that we are able to test using our large velocity database. We identified 224 cluster galaxies, which were subjected to a broad range of statistical tests using both positional and velocity information to evaluate the cluster dynamics and substructure. The tests confirmed the presence of substructures within the A2125 system at high significance, demonstrating that A2125 is a complex dynamical system. Comparison of the test results with existing simulations strengthens the merger hypothesis and provides clues about the merger geometry and stage. The merger model for the system can reconcile A2125's low X-ray temperature and luminosity with its apparently high richness and might also explain A2125's high fraction of active galaxies identified in prior radio and optical studies.
- ID:
- ivo://CDS.VizieR/J/AJ/123/1216
- Title:
- Redshifts in A3128/A3125
- Short Name:
- J/AJ/123/1216
- Date:
- 21 Oct 2021
- Publisher:
- CDS
- Description:
- Multifiber spectroscopy has been obtained for 335 galaxies in the field of the double cluster A3128/A3125, using the 2dF multifiber positioner on the Anglo-Australian Telescope. When combined with previously published results, a total of 532 objects in the double cluster now have known redshifts. We have also obtained a 20ks Chandra ACIS-I image of the central 16'x16' of A3128 and radio imaging of the cluster with the Molonglo Observatory Synthesis Telescope and the Australia Telescope Compact Array. The spatial/kinematic distribution of redshifts in the field of A3128/A3125, when combined with the Chandra ACIS-I image of A3128, reveals a variety of substructures present in the galaxy distribution and in the hot intracluster medium (ICM).
- ID:
- ivo://CDS.VizieR/J/A+A/548/A18
- Title:
- Redshifts in A1413 cluster center
- Short Name:
- J/A+A/548/A18
- Date:
- 21 Oct 2021
- Publisher:
- CDS
- Description:
- We investigate the morphology and dynamics of the massive nearby galaxy cluster Abell 1413. Using wide field imaging and spectroscopic data obtained from observations at the Canada-France-Hawaii Telescope and archival SDSS data, we build a sample of more than 250 galaxies covering a region centered on the cluster and extending to its outskirts on large scales.
- ID:
- ivo://CDS.VizieR/J/AJ/119/44
- Title:
- Redshifts in AWM 7 galaxy cluster
- Short Name:
- J/AJ/119/44
- Date:
- 21 Oct 2021
- Publisher:
- CDS
- Description:
- We have measured 492 redshifts (311 new) in the direction of the poor cluster AWM 7 and have identified 179 cluster members (73 new).
- ID:
- ivo://CDS.VizieR/J/ApJ/634/977
- Title:
- Redshifts in Cl 0024+16 members
- Short Name:
- J/ApJ/634/977
- Date:
- 21 Oct 2021
- Publisher:
- CDS
- Description:
- We report results from a panoramic spectroscopic survey of 955 objects in the field of the rich cluster Cl 0024+1654 (z~0.4), complementing the HST imaging presented in the first paper in this series. Combining with previous work, we compile a catalog of 1394 unique redshifts in the field of this cluster (1334 in Table 2), including 486 cluster members spread across an area 10Mpc in diameter. Our new spectroscopic sample includes over 200 high-quality spectra of cluster members. We examine the properties of a large sample of 104 cluster early-type galaxies as a function of cluster radius and local density, using them as sensitive tracers of the various physical processes that may be responsible for galaxy evolution.
- ID:
- ivo://CDS.VizieR/J/A+A/566/A149
- Title:
- Redshifts in LCDCS 0504
- Short Name:
- J/A+A/566/A149
- Date:
- 21 Oct 2021
- Publisher:
- CDS
- Description:
- Constraints on the mass distribution in high-redshift clusters of galaxies are currently not very strong. We aim to constrain the mass profile, M(r), and dynamical status of the z~0.8 LCDCS 0504 cluster of galaxies that is characterized by prominent giant gravitational arcs near its center. Our analysis is based on deep X-ray, optical, and infrared imaging as well as optical spectroscopy, collected with various instruments, which we complemented with archival data. We modeled the mass distribution of the cluster with three different mass density profiles, whose parameters were constrained by the strong lensing features of the inner cluster region, by the X-ray emission from the intracluster medium, and by the kinematics of 71 cluster members.
