The LX-sigma Relation for Galaxies and Clusters of Galaxies

Abstract

We demonstrate that individual elliptical galaxies and clusters of galaxies form a continuous X-ray luminosity---velocity dispersion (LX-sigma) relation. Our samples of 280 clusters and 57 galaxies have LX ~ sigma^4.4 and LX ~ sigma^10, respectively. This unified LX - sigma relation spans 8 orders of magnitude in LX and is fully consistent with the observed and theoretical luminosity---temperature scaling laws. Our results support the notion that galaxies and clusters of galaxies are the luminous tracers of similar dark matter halos.

11 pages, including 2 tables and 2 figures. Accepted for publication in The Astrophysical Journal Letters; the Letters version excludes Table 1, which is available in ASCII format at http://tdc-www.harvard.edu/lxsigma

Cited by in corpus (73)

• Galaxy Star-Formation as a Function of Environment in the Early Data Release of the Sloan Digital Sky Survey
• The host galaxies of radio-loud AGN: mass dependencies, gas cooling and AGN feedback
• On the prevalence of radio-loud AGN in brightest cluster galaxies: implications for AGN heating of cooling flows
• CALIFA: a diameter-selected sample for an integral field spectroscopy galaxy survey
• Revisiting with Chandra the Scaling Relations of the X-ray Emission Components (Binaries, Nuclei and Hot Gas) of Early Type Galaxies
• Physical Implications of the X-ray Properties of Galaxy Groups and Clusters
• Halpha-Derived Star-Formation Rates For Three z ~ 0.75 EDisCS Galaxy Clusters
• WINGS-SPE Spectroscopy in the WIde-field Nearby Galaxy-cluster Survey
• Brightest Cluster Galaxies at the Present Epoch
• Scaling relations in fossil galaxy groups
• The MASSIVE Survey IV.: The X-ray halos of the most massive early-type galaxies in the nearby Universe
• Clusters of galaxies in the local universe
• Constraining the Matter Power Spectrum Normalization using the SDSS/RASS and REFLEX Cluster surveys
• X-Ray Scaling Relations of Galaxy Groups in a Hydrodynamic Cosmological Simulation
• Scaling Properties of Galaxy Groups
• AGN Feedback on the Intracluster Medium
• Southern GEMS Groups I: Dynamical Properties
• Distant Cluster Hunting II: A comparison of X-ray and optical cluster detection techniques and catalogs from the ROX Survey
• Stellar populations in the centres of brightest cluster galaxies
• Stellar populations and evolution of early-type cluster galaxies: Constraints from optical imaging and spectroscopy of z=0.5-0.9 galaxy clusters
• The X-ray Properties of Early-Type Galaxies in the Extended Chandra Deep Field-South
• RXJ0152.7-1357: Stellar populations in an X-ray luminous galaxy cluster at z=0.83
• The luminosity function of the fossil group RX J1552.2+2013
• A fossil galaxy cluster; an X-ray and optical study of RX J1416.4+2315
• Origin of central abundances in the hot intra-cluster medium - I. Individual and average abundance ratios from XMM-Newton EPIC
• Mass Profile of the Infall Region of the Abell 2199 Supercluster
• A Study of Catalogued Nearby Galaxy Clusters in the SDSS-DR4: I. Cluster Global Properties
• Environment and Galaxy Evolution at Intermediate Redshift in the CNOC2 Survey
• The X-ray Luminosity - Velocity Dispersion relation in the REFLEX Cluster Survey
• Exploring the Diversity of Groups at 0.1<z<0.8 with X-ray and Optically Selected Samples
• A free-form lensing model of A370 revealing stellar mass dominated BCGs, in Hubble Frontier Fields images
• Dwarf galaxies in the Dynamically Evolved NGC 1407 Group
• H$\alpha$-Derived Star-Formation Rates for the z=0.84 Galaxy Cluster CLJ0023+0423B
• The interplay between radio galaxies and cluster environment
• Spatially Resolved Spectroscopy of the E+A Galaxies in the z=0.32 Cluster AC114
• AGN-Induced Cavities in NGC 1399 and NGC 4649
• Stellar population gradients in brightest cluster galaxies
• MACSJ1423.8+2404: Gravitational Lensing by a Massive, Relaxed Cluster of Galaxies at z=0.54
• Chandra Observations of low velocity dispersion groups
• An optical and X-ray study of the fossil group RX J1340.6+4018
• Galaxy populations in massive z=0.2-0.9 clusters: I. Analysis of spectroscopy
• The X-ray properties of optically-selected z>0.6 clusters in the ESO Distant Cluster Survey
• A multi-wavelength strong lensing analysis of baryons and dark matter in the dynamically active cluster AC 114
• AC 114: a cluster with a soft X-ray tail
• Radio galaxies in galaxy groups: kinematics, scaling relations and AGN feedback
• The Local Cluster Survey I: Evidence of Outside-In Quenching in Dense Environments
• Detection of x-rays from galaxy groups associated with the gravitationally lensed systems PG 1115+080 and B1422+231
• Observable consequences of kinetic and thermal AGN feedback in elliptical galaxies and galaxy clusters
• The 2dF Galaxy Redshift Survey: correlation with the ROSAT-ESO Flux Limited X-ray (REFLEX) galaxy cluster survey
• The mass function and distribution of velocity dispersions for UZC groups of galaxies
• RXJ0142.0+2131: I. The galaxy content of an X-ray-luminous galaxy cluster at z=0.28
• Chandra Observations of Gravitational Lenses B1600+434 and B1608+656
• Infall Regions and Scaling Relations of X-ray Selected Groups
• The anatomy of the NGC 5044 group - I. Group membership and dynamics
• Investigating the properties of AGN feedback in hot atmospheres triggered by cooling-induced gravitational collapse
• A Fundamental Plane Relation for the X-Ray Gas in Normal Elliptical Galaxies
• Leo II Group: decoupled cores of NGC 3607 and NGC 3608
• X-ray versus infrared selection of distant galaxy clusters: A case study using the XMM-LSS and SpARCS cluster samples
• Hot gas in groups: NGC 5328 and the intriguing case of NGC 4756 with XMM-Newton
• Mass-Velocity Dispersion Relation in HIFLUGCS Galaxy Clusters
• A cluster pair : A3532 and A3530
• Disentangling the role of environmental processes in galaxy clusters
• Revisiting the fossil group candidates UGC 842 and NGC 6034
• XMM-Newton observation of the cluster ZW 1305.4+2941 in the field SA 57
• On the X-ray emission of the low-mass galaxy groups
• Optical properties of the NGC 5328 group of galaxies
• UV to FIR catalogue of a galaxy sample in nearby clusters: SEDs and environmental trends
• Examining the local Universe isotropy with galaxy cluster velocity dispersion scaling relations
• The Gemini/HST Galaxy Cluster Project: Environment Effects on the Stellar Populations in the Lynx Clusters at z=1.27
• The Interplay of Cluster and Galaxy Evolution
• Dashing through the cluster: An X-ray to radio view of UGC 10420 undergoing ram-pressure stripping
• Constraining the Nature of Dark Matter from Tidal Radii of Cluster Galaxy Subhalos
• CS-ROMER: A novel compressed sensing framework for Faraday depth reconstruction