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相关论文: Properties of the Brightest Cluster Galaxy and Its…

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We investigate the relationship between brightest cluster galaxies (BCGs) and their host clusters using a sample of nearby galaxy clusters from the Representative XMM Cluster Structure Survey (REXCESS). The sample was imaged with the…

宇宙学与河外天体物理 · 物理学 2011-02-11 D. B. Haarsma , L. Leisman , M. Donahue , S. Bruch , H. Boehringer , J. H. Croston , G. W. Pratt , G. M. Voit , M. Arnaud , D. Pierini

We present a study of the connection between brightest cluster galaxies (BCGs) and their host galaxy clusters. Using galaxy clusters at $0.1<z<0.3$ from the Hectospec Cluster Survey (HeCS) with X-ray information from the Archive of {\it…

星系天体物理 · 物理学 2017-03-15 Jae-Woo Kim , Jongwan Ko , Ho Seong Hwang , Alastair C. Edge , Joon Hyeop Lee , Jong Chul Lee , Hyunjin Jeong

We explore the persistence of the alignment of brightest cluster galaxies (BCGs) with their local environment. We find that a significant fraction of BCGs do not coincide with the centroid of the X-ray gas distribution and/or show peculiar…

The alignment between brightest cluster galaxies (BCGs) and host clusters can reveal the mystery of formation and evolution for galaxy clusters. We measure cluster orientations in optical based on the projected distribution of member…

星系天体物理 · 物理学 2025-09-29 Z. S. Yuan , Z. L. Wen

We use the Sloan Digital Sky Survey to construct a sample of 625 brightest group and cluster galaxies (BCGs) together with control samples of non-BCGs matched in stellar mass, redshift, and color. We investigate how the systematic…

天体物理学 · 物理学 2008-11-26 Anja von der Linden , Philip N. Best , Guinevere Kauffmann , Simon D. M. White

A recent paper (Burke, Collins & Mann 2000) presents the analysis of the K-band Hubble diagram of 76 brightest cluster galaxies (BCGs) in X-ray clusters and shows that the properties of BCGs depend on the X-ray luminosity (Lx) of their host…

天体物理学 · 物理学 2009-11-07 Sarah Brough , Chris Collins , Doug Burke , Bob Mann , Paul Lynam

We measure the Petrosian structural properties of 33 brightest cluster galaxies (BCGs) at redshifts z<0.1 in X-ray selected clusters with a wide range of X-ray luminosities. We find that some BCGs show distinct signatures in their Petrosian…

天体物理学 · 物理学 2016-08-30 S. Brough , C. Collins , D. Burke , P. Lynam , R. Mann

Brightest cluster galaxies (BCGs) have grown by accreting numerous smaller galaxies and can be used as tracers of cluster formation and evolution in the cosmic web. However, there is still a controversy on the main epoch of formation of…

星系天体物理 · 物理学 2021-05-12 Aline Chu , Florence Durret , Isabel Marquez

We study the distribution of projected offsets between the cluster X-ray centroid and the brightest cluster galaxy (BCG) for 65 X-ray selected clusters from the Local Cluster Substructure Survey (LoCuSS), with a median redshift of z=0.23.…

宇宙学与河外天体物理 · 物理学 2015-05-13 Alastair J. R. Sanderson , Alastair C. Edge , Graham P. Smith

Studying structural parameters of brightest cluster galaxies (BCGs) provides important clues to understand their formation and evolution. We present the results of the surface brightness profile fitting of 1685 brightest cluster galaxies…

The numerous and massive young star clusters in blue compact galaxies (BCGs) are used to investigate the properties of their hosts. We test whether BCGs follow claimed relations between cluster populations and their hosts, such as the the…

宇宙学与河外天体物理 · 物理学 2015-05-28 Angela Adamo , Goeran Ostlin , Erik Zackrisson

We present the K-band Hubble diagram for 162 brightest cluster galaxies (BCGs) in X-ray selected clusters, 0.01<z<0.83. The sample incorporates that of Burke, Collins, & Mann (2000) and includes additional infrared data from the 2MASS…

天体物理学 · 物理学 2007-05-23 Sarah Brough , Chris A. Collins , Doug J. Burke , Paul D. Lynam , Robert G. Mann

We investigated the influence of environment on cluster galaxies by examining the alignment of the brightest cluster galaxy (BCG) position angle with respect to the host cluster X-ray position angle. The cluster position angles were…

天体物理学 · 物理学 2009-11-13 Yasuhiro Hashimoto , J. Patrick Henry , Hans Boehringer

We examine the alignment between Brightest Cluster Galaxies (BCGs) and their host clusters in a sample of 7031 clusters with 0.08<z<0.44 found using a matched-filter algorithm and an independent sample of 5744 clusters with 0.1<z<0.3…

宇宙学与河外天体物理 · 物理学 2015-05-18 Martin Niederste-Ostholt , Michael A. Strauss , Feng Dong , Benjamin P. Koester , Timothy A. McKay

We report a systematic multi-wavelength investigation of environments of the brightest cluster galaxies (BCGs), using the X-ray data from the Chandra archive, and optical images taken with 34'x 27' field-of-view Subaru Suprime-Cam. Our goal…

宇宙学与河外天体物理 · 物理学 2015-06-19 Yasuhiro Hashimoto , J. Patrick Henry , Hans Boehringer

We have studied the infrared properties of the brightest cluster galaxies (BCGs) located in the cores of X-ray-luminous clusters at 0.15 < z < 0.35. The majority of the BCGs are not particularly infrared-luminous compared with other massive…

We explore connections between brightest cluster galaxies (BCGs) and their host clusters. We first construct a HeCS-omnibus cluster sample including 227 galaxy clusters within $0.02 < z < 0.30$; the total number of spectroscopic members…

星系天体物理 · 物理学 2020-03-18 Jubee Sohn , Margaret J. Geller , Antonaldo Diaferio , Kenneth J. Rines

We have observed 433 z<=0.08 brightest cluster galaxies (BCGs) in a full-sky survey of Abell clusters. The BCG Hubble diagram is consistent to within 2% of a Omega_m=0.3, Lambda=0.7 Hubble relation. The L_m-alpha relation for BCGs, which…

星系天体物理 · 物理学 2015-06-22 Tod R. Lauer , Marc Postman , Michael A. Strauss , Genevieve J. Graves , Nora E. Chisari

We investigate the near-infrared K-band properties of the brightest cluster galaxies (BCGs) in a sample of 93 galaxy clusters and groups, using data from the Two Micron All Sky Survey. Our cluster sample spans a factor of 70 in mass, making…

天体物理学 · 物理学 2008-11-26 Yen-Ting Lin , Joseph J Mohr

Brightest Cluster Galaxies (BCGs) show exceptional properties over the whole electromagnetic spectrum. Their special location at the centres of galaxy clusters raises the question of the role of the environment on their radio properties. To…

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