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Related papers: Multi-spin stellar velocity maps of the most massi…

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Using Multi-Unit Spectroscopic Explorer (MUSE) spectroscopy, we analyse the stellar kinematics of 18 brightest group early-type (BGEs) galaxies, selected from the Complete Local-Volume Groups Sample (CLoGS). We analyse the kinematic maps…

Astrophysics of Galaxies · Physics 2022-07-06 S. I. Loubser , P. Lagos , A. Babul , E. O'Sullivan , S. L. Jung , V. Olivares , K. Kolokythas

We present the stellar velocity maps of 25 massive early type galaxies located in dense environments observed with MUSE. Galaxies are selected to be brighter than M_K=-25.7 magnitude, reside in the core of the Shapley Super Cluster or be…

This is the first of a series of papers devoted to the investigation of a large sample of brightest cluster galaxies (BCGs), their kinematic and stellar population properties, and the relationships between those and the properties of the…

Astrophysics · Physics 2009-11-13 S. I. Loubser , A. E. Sansom , P. Sanchez-Blazquez , I. K. Soechting , G. E. Bromage

We use high spatial resolution stellar velocity maps from the Gemini GMOS integral-field spectrograph (IFS) and wide-field velocity maps from the McDonald Mitchell IFS to study the stellar velocity profiles and kinematic misalignments from…

Astrophysics of Galaxies · Physics 2020-03-11 Irina Ene , Chung-Pei Ma , Jonelle L. Walsh , Jenny E. Greene , Jens Thomas , John P. Blakeslee

We analyse spatially-resolved deep optical spectroscopy of Brightest Cluster Galaxies (BCGs) located in 32 massive clusters with redshifts of 0.05 $\leq z \leq$ 0.30, to investigate their velocity dispersion profiles. We compare these…

Astrophysics of Galaxies · Physics 2018-03-14 S. I. Loubser , H. Hoekstra , A. Babul , E. O'Sullivan

We study a sample of 43 early-type galaxies, selected from the SDSS because they appeared to have velocity dispersion > 350 km/s. High-resolution photometry in the SDSS i passband using HRC-ACS on board the HST shows that just less than…

Astrophysics · Physics 2009-11-13 M. Bernardi , J. B. Hyde , A. Fritz , R. K. Sheth , K. Gebhardt , R. C. Nichol

Using the VIMOS Integral Field Unit (IFU) spectrograph on the Very Large Telescope (VLT), we have spatially mapped the kinematic properties of 10 nearby Brightest Cluster Galaxies (BCGs) and 4 BCG companion galaxies located within a…

Astrophysics of Galaxies · Physics 2015-06-17 Jimmy , Kim-Vy Tran , Sarah Brough , Karl Gebhardt , Anja von der Linden , Warrick J. Couch , Rob Sharp

We present Integral Field Unit (IFU) spectroscopy of four brightest cluster galaxies (BCGs) at z~0.1. Three of the BCGs have close companions within a projected radius of 20 kpc and one has no companion within that radius. We calculate the…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-27 S. Brough , K. -V. Tran , R. G. Sharp , A. von der Linden , Warrick J. Couch

We present an examination of the kinematics and stellar populations of a sample of 3 Brightest Group Galaxies (BGGs) and 3 Brightest Cluster Galaxies (BCGs) in X-ray groups and clusters. We have obtained high signal-to-noise Gemini/GMOS…

Astrophysics · Physics 2009-06-23 S. Brough , R. Proctor , D. Forbes , W. Couch , C. Collins , D. Burke , R. Mann

In an effort to better understand the formation of galaxy groups, we examine the kinematics of a large sample of spectroscopically confirmed X-ray galaxy groups in the Cosmic Evolution Survey (COSMOS) with a high sampling of galaxy group…

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…

Astrophysics · Physics 2008-11-26 Anja von der Linden , Philip N. Best , Guinevere Kauffmann , Simon D. M. White

We present spatially-resolved two-dimensional stellar kinematics for the 41 most massive early-type galaxies (MK <~ -25.7 mag, stellar mass M* >~ 10^11.8 Msun) of the volume-limited (D < 108 Mpc) MASSIVE survey. For each galaxy, we obtain…

We investigate the stellar and dynamical mass profiles in the centres of 25 brightest cluster galaxies (BCGs) at redshifts of 0.05 $\leq z \leq$ 0.30. Our spectroscopy enables us to robustly measure the Gauss-Hermite higher order velocity…

Astrophysics of Galaxies · Physics 2020-06-17 S. I. Loubser , A. Babul , H. Hoekstra , Y. M. Bahé , E. O'Sullivan , M. Donahue

We present a 2D kinematic analysis out to ~2-5 effective radii (Re) of 33 massive elliptical galaxies with stellar velocity dispersions larger than 150 km/s. Our observations were taken using the Mitchell Spectrograph (formerly VIRUS-P), a…

Astrophysics of Galaxies · Physics 2015-06-19 Sudhir Raskutti , Jenny Greene , Jeremy Murphy

To better characterize the upper end of the galaxy stellar mass range, the MUSE Most Massive Galaxies (M3G) Survey targeted the most massive galaxies (M$>10^{12}$ M$_{\odot}$) found in the densest known clusters of galaxies at $z\sim0.046$.…

Astrophysics of Galaxies · Physics 2021-05-12 I. Pagotto , D. Krajnović , M. den Brok , E. Emsellem , J. Brinchmann , P. M. Weilbacher , W. Kollatschny , M. Steinmetz

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…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-19 Yasuhiro Hashimoto , J. Patrick Henry , Hans Boehringer

We used the HST WFPC2 to obtain I-band images of the centers of 81 brightest cluster galaxies (BCGs), drawn from a volume-limited sample of nearby BCGs. The images show a rich variety of morphological features, including multiple or double…

We investigate the kinematic properties of nine nearby early-type galaxies with evidence of a disk-like component. Three of these galaxies are located in the field, five in the group and only one in the cluster environment. By combining the…

Astrophysics of Galaxies · Physics 2021-04-14 A. Dolfi , D. A. Forbes , W. J. Couch , K. Bekki , A. Ferré-Mateu , A. J. Romanowsky , J. P. Brodie

The kinematical and spatial properties of the metal-rich globular clusters in the Galaxy ([Fe/H] > -0.8) indicates that these objects do not comprise a homogeneous population. Three subsystems are identified. The highest-mass clusters…

Astrophysics · Physics 2007-05-23 A. Burkert , G. Smith

We use spatially resolved two-dimensional stellar velocity maps over a $107"\times 107"$ field of view to investigate the kinematic features of 90 early-type galaxies above stellar mass $10^{11.5}M_\odot$ in the MASSIVE survey. We measure…

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