Results 31 to 40 of about 29,686 (260)

Cluster Selection and the Evolution of Brightest Cluster Galaxies

The Astrophysical Journal, 2000
Accepted for publication in ApJL. 4 pages including 4 figures, uses emulateapj.sty (included)
Chris A. Collins, Chris A. Collins, Robert G. Mann, Robert G. Mann, Robert G. Mann, Douglas Burke, Douglas Burke   +6 more
openaire   +4 more sources

A ¹³CO Detection in a Brightest Cluster Galaxy [PDF]

The Astrophysical Journal, 2017
Abstract We present ALMA Cycle 4 observations of CO(1-0), CO(3-2), and 13CO(3-2) line emission in the brightest cluster galaxy (BCG) of RXJ0821+0752. This is one of the first detections of 13CO line emission in a galaxy cluster. Half of the CO(3-2) line emission originates from two clumps of molecular gas that are spatially offset from ...
Brian R. McNamara, Brian R. McNamara, Michael McDonald, P. Salomé, Paul Nulsen, Paul Nulsen, A. N. Vantyghem, Alastair C. Edge, Andrew C. Fabian, M. T. Hogan, M. T. Hogan, Helen Russell, Francoise Combes, Francoise Combes   +13 more
openaire   +6 more sources

THE DETERMINATION OF THE MORPHOLOGICAL TYPES OF GALAXY CLUSTERS USING CLUSTER CARTOGRAPHY

Odessa Astronomical Publications, 2016
We discuss the possibility of using the Cluster Cartography set for the determined the morphological types of galaxy clusters. The applied morphological scheme was proposed by Panko (2013).
E. A. Panko, S. I. Emelyanov
doaj   +1 more source

Mining the gap: evolution of the magnitude gap in X-ray galaxy groups from the 3 square degree XMM coverage of CFHTLS [PDF]

, 2014
We present a catalog of 129 X-ray galaxy groups, covering a redshift range 0 ...
Brimioulle, F., Egami, E., Erben, T., Erfanianfar, G., Finoguenov, A., Gozaliasl, G., Jassur, D. M. Z., Khosroshahi, H. G., Kneib, J. P., Lerchster, M., McCracken, H. J., Mellier, Y., Mirkazemi, M., Pereira, M. J., Popesso, P., Salvato, M., Seitz, S., Tanaka, M.   +17 more
core   +14 more sources

DETAILED MORPHOLOGY OF THE RICH CONCENTRATED GALAXY CLUSTERS

Odessa Astronomical Publications, 2018
The results of the detailed analysis of the 2D distribution of galaxies in 28 rich galaxy clusters with significant concentration to the cluster center are present.
E. Panko, A. Sirginava, A. Stepaniuk
doaj   +1 more source

The Initial Mass Function and Other Stellar Properties Across the Core of the Hydra I Cluster

The Astrophysical Journal, 2023
The Hydra I cluster offers an excellent opportunity to study and compare the relic old stellar populations in the core of its two brightest galaxies. In addition, the differing kinematics of the two galaxies allows a test of the local validity of general
Ilaria Lonoce, W. L. Freedman, A. Feldmeier-Krause   +2 more
doaj   +1 more source

Galactic cannibalism and CDM density profiles [PDF]

, 2004
Using N-body simulations we show that the process of formation of the brightest cluster galaxy through dissipationless galactic cannibalism can affect the inner cluster dark matter density profile.
Barnes, Bartelmann, Bertin, Binney, Blumenthal, C. Nipoti, de Blok, Dehnen, Dehnen, Dubinski, El-Zant, Gavazzi, Ghigna, Gnedin, Hernquist, Jesseit, Kazantzidis, Kelson, Kochanek, L. Ciotti, Lewis, Londrillo, M. Stiavelli, Ma, Merritt, Mo, Moore, Natarajan, Navarro, Navarro, Nipoti, Nipoti, Nipoti, Ostriker, Power, Ricotti, Rosati, Salucci, Sand, Sand, Simon, Smith, Spergel, Springel, Subramanian, T. Treu, Treu, van den Bosch, Zhang   +48 more
core   +2 more sources

GALAXY CLUSTERS AT HIGH REDSHIFT AND EVOLUTION OF BRIGHTEST CLUSTER GALAXIES [PDF]

The Astrophysical Journal, 2011
10 pages, 14 figures, 2 tables; added reference, corrected typos; Table 2 is available at http://zmtt.bao.ac.cn/wzl/CV_wen ...
Jin-Lin Han, Z. L. Wen
openaire   +4 more sources

The X-ray coronae of the two brightest galaxies in the Coma cluster [PDF]

, 2014
We use deep Chandra X-ray Observatory observations to examine the coronae of the two brightest cluster galaxies in the Coma cluster of galaxies, NGC 4874 and NGC 4889.
Churazov, E., Fabian, A. C., Sanders, J. S., Simionescu, A., Sun, M., Walker, S. A., Werner, N.   +6 more
core   +2 more sources

MAJOR CLUSTER MERGERS AND THE LOCATION OF THE BRIGHTEST CLUSTER GALAXY [PDF]

The Astrophysical Journal, 2014
Using a large N-body cosmological simulation combined with a subgrid treatment of galaxy formation, we study the formation and evolution of the galaxy and cluster population in a comoving volume (100 Mpc)^3 in a LCDM universe. At z = 0, our computational volume contains 1788 clusters with mass M_cl > 1.1x10^12 Msun, including 18 massive clusters ...
Hugo Martel, Fidèle Robichaud, Paramita Barai   +2 more
openaire   +3 more sources