Mass-Velocity Dispersion Relation in HIFLUGCS Galaxy Clusters

Abstract

We investigate the mass-velocity dispersion relation (MVDR) in 29 galaxy clusters in the HIghest X-ray FLUx Galaxy Cluster Sample (HIFLUGCS). We measure the spatially resolved, line-of-sight velocity dispersion profiles of these clusters, which we find to be mostly flat at large radii, reminiscent of the rotation curves of galaxies. We discover a tight empirical relation between the baryonic mass $M_{\mathrm{bar}}$ and the flat velocity dispersion $\sigma$ of the member galaxies, i.e. MVDR, $\log (M_{\mathrm{bar}}/M_{\odot })=4.1_{-0.4}^{+0.4}\log (\sigma /\mathrm{km}{\mathrm{s}}^{-1})+1.6_{-1.3}^{+1.0}$, with the lognormal intrinsic scatter of $12_{-3}^{+3}\%$. The residuals of the MVDR are uncorrelated with other cluster properties like temperature, cluster radius, baryonic mass surface density, and redshift. These characteristics are reminiscent of the MVDR for individual galaxies, albeit about ten times larger characteristic acceleration scale. The cluster baryon fraction falls short of the cosmic value, exposing a problem: the discrepancy increases systematically for clusters of lower mass and lower baryonic acceleration.

arXiv commentVersion accepted by ApJ; 10 pages, 5 figures, 2 Tables

References in corpus (98)

• emcee: The MCMC Hammer
• The SIMBAD astronomical database
• The Formation of Galactic Disks
• The Mass Function of an X-Ray Flux-Limited Sample of Galaxy Clusters
• Modified Newtonian Dynamics (MOND): Observational Phenomenology and Relativistic Extensions
• Formation of Galaxy Clusters
• Cluster Lensing And Supernova survey with Hubble (CLASH): An Overview
• The Baryonic Tully-Fisher Relation
• The Connection between Galaxies and their Dark Matter Halos
• Modified Newtonian Dynamics as an Alternative to Dark Matter
• The Atlas3D project - XX. Mass-size and mass-sigma distributions of early-type galaxies: bulge fraction drives kinematics, mass-to-light ratio, molecular gas fraction and stellar initial mass function
• The ROSAT Brightest Cluster Sample (BCS) - I. The compilation of the sample and the cluster log N-log S distribution
• The Radial Acceleration Relation in Rotationally Supported Galaxies
• The ROSAT-ESO Flux Limited X-ray (REFLEX) Galaxy Cluster Survey. V. The cluster catalogue
• The Northern ROSAT All-Sky (NORAS) Galaxy Cluster Survey I: X-ray Properties of Clusters Detected as Extended X-ray Sources
• K-band Properties of Galaxy Clusters and Groups: Brightest Cluster Galaxies and Intracluster Light
• The Baryonic Tully-Fisher Relation of Gas Rich Galaxies as a Test of LCDM and MOND
• The Ursa Major Cluster of Galaxies. V ; HI Rotation Curve Shapes and the Tully-Fisher Relations
• What is a Cool-Core Cluster? A Detailed Analysis of the Cores of the X-ray Flux-Limited HIFLUGCS Cluster Sample
• Dark Halo and Disk Galaxy Scaling Laws in Hierarchical Universes
• Virial Scaling of Massive Dark Matter Halos: Why Clusters Prefer a High Normalization Cosmology
• One Law To Rule Them All: The Radial Acceleration Relation of Galaxies
• How special are Brightest Group and Cluster Galaxies?
• Stellar and total baryon mass fractions in groups and clusters since redshift 1
• The realm of the galaxy protoclusters
• emcee v3: A Python ensemble sampling toolkit for affine-invariant MCMC
• The small scatter of the baryonic Tully-Fisher relation
• CLASH: Weak-Lensing Shear-and-Magnification Analysis of 20 Galaxy Clusters
• Cluster Lenses
• The Baryon Content of Cosmic Structures
• The Properties of Poor Groups of Galaxies: II. X-ray and Optical Comparisons
• The Regulation of Cooling and Star Formation in Luminous Galaxies by AGN Feedback and the Cooling-Time/Entropy Threshold for the Onset of Star Formation
• The Mass Discrepancy-Acceleration Relation: Disk Mass and the Dark Matter Distribution
• Clusters of galaxies with modified Newtonian dynamics (MOND)
• Measuring the Ultimate Mass of Galaxy Clusters: Redshifts and Mass Profiles from the Hectospec Cluster Survey (HeCS)
• CLASH: Joint Analysis of Strong-Lensing, Weak-Lensing Shear and Magnification Data for 20 Galaxy Clusters
• The Lx-T, Lx-sigma and sigma-T relations for groups and clusters of galaxies
• A Novel Test of the Modified Newtonian Dynamics with Gas Rich Galaxies
• The baryonic Tully-Fisher relation for different velocity definitions and implications for galaxy angular momentum
• Scaling laws in X-ray Galaxy Clusters at redshift between 0.4 and 1.3
• Jellyfish galaxy candidates at low redshift
• Resolving the virial discrepancy in clusters of galaxies with modified Newtonian dynamics
• The Kinematic Connection Between Galaxies and Dark Matter Haloes
• Hubble Space Telescope Imaging of Brightest Cluster Galaxies
• Fitting the radial acceleration relation to individual SPARC galaxies
• WINGS-SPE Spectroscopy in the WIde-field Nearby Galaxy-cluster Survey
• Brightest Cluster Galaxies at the Present Epoch
• An Optical Catalog of Galaxy Clusters Obtained from an Adaptive Matched Filter Finder Applied to SDSS DR6
• Cluster-galaxy weak lensing
• The RASS-SDSS Galaxy Cluster Survey. III. Scaling relations of galaxy clusters
• HIFLUGCS: Galaxy cluster scaling relations between X-ray luminosity, gas mass, cluster radius, and velocity dispersion
• CLASH-X: A Comparison of Lensing and X-ray Techniques for Measuring the Mass Profiles of Galaxy Clusters
• A Tale of Two Paradigms: the Mutual Incommensurability of LCDM and MOND
• X-ray Group and cluster mass profiles in MOND: Unexplained mass on the group scale
• New constraints on MOND from galaxy clusters
• Baryon Content in a Sample of 91 Galaxy Clusters Selected by the South Pole Telescope at 0.2 < z < 1.25
• A Population of Compact Elliptical Galaxies Detected with the Virtual Observatory
• The dynamical state of brightest cluster galaxies and the formation of clusters
• HeCS-SZ: The Hectospec Survey of Sunyaev-Zeldovich Selected Clusters
• The early-type dwarf galaxy population of the Hydra I cluster
• The LX-sigma Relation for Galaxies and Clusters of Galaxies
• Southern GEMS groups II: HI distribution, mass functions and HI deficient galaxies
• The Tully-Fisher and mass-size relations from halo abundance matching
• Minor merger-induced cold fronts in Abell 2142 and RXJ1720.1+2638
• Infrared and Ultraviolet Star Formation in Brightest Cluster Galaxies in the ACCEPT Sample
• The IR Luminosity Functions of Rich Clusters
• The Radial Acceleration Relation in CLASH Galaxy Clusters
• A large population of ultra-compact dwarf galaxies in the Hydra I cluster
• The GALEX Arecibo SDSS Survey. IV. Baryonic Mass-Velocity-Size Relations of Massive Galaxies
• The Velocity Dispersion Function of Very Massive Galaxy Clusters: Abell 2029 and Coma
• The Universal Faber-Jackson Relation
• Miscentring in Galaxy Clusters: Dark Matter to Brightest Cluster Galaxy Offsets in 10,000 SDSS Clusters
• The REFLEX galaxy cluster survey. VIII. Spectroscopic observations and optical atlas
• Kinematics and Stellar Populations of Low-Luminosity Early-Type Galaxies in the Abell 496 Cluster
• Active Galactic Nuclei in Groups and Clusters of Galaxies: Detection and Host Morphology
• Kinematic scaling relations of CALIFA galaxies: A dynamical mass proxy for galaxies across the Hubble sequence
• The SAMI Pilot Survey: Stellar Kinematics of Galaxies in Abell 85, 168 and 2399
• Dynamics of the NGC 4636 Globular Cluster System - An extremely dark matter dominated galaxy?
• The Faber-Jackson relation and Fundamental Plane from halo abundance matching
• Unifying all mass discrepancies with one effective gravity law?
• MOND in galaxy groups: a superior sample
• The radial acceleration relation in galaxy clusters
• Deep spectroscopy of nearby galaxy clusters: I. Spectroscopic luminosity function of Abell 85
• Galaxy evolution in the mid-infrared green valley: a case of the A2199 supercluster
• The SAMI Galaxy Survey: mass-kinematics scaling relations
• Radial Acceleration Relation between Baryons and Dark or Phantom Matter in the Super-critical Acceleration Regime of Nearly Spherical Galaxies
• SDSS-IV MaNGA: A Distinct Mass Distribution Explored in Slow-Rotating Early-type Galaxies
• Emission Line Galaxies and Active Galactic Nuclei in WINGS clusters
• The Tight Empirical Relation between Dark Matter Halo Mass and Flat Rotation Velocity for Late-Type Galaxies
• Dynamics of Abell 3266 - I. An Optical View of a Complex Merging Cluster
• The Luminosity Function of Nearby Galaxy Clusters II: Redshifts and Luminosity Function for Galaxies in the Region of the Centaurus Cluster
• Halo Acceleration Relation
• Mass Discrepancy-Acceleration Relation in Einstein Rings
• Multicolor Photometry Study of the Galaxy Cluster A2589: Dynamics, Luminosity Function and Star Formation History
• The Globular Cluster System of the Virgo Giant Elliptical Galaxy NGC 4636: I. Subaru/FOCAS Spectroscopy and Database
• Star-forming galaxies in low-redshift clusters: Data and integrated galaxy properties
• The Gemini/HST Galaxy Cluster Project: Stellar Populations in the Low Redshift Reference Cluster Galaxies
• Multicolor Photometry of the Nearby Galaxy Cluster A119

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