SIMBAD references

2001ApJ...554L.129M - Astrophys. J., 554, L129-L132 (2001/June-3)

The LX-σ relation for galaxies and clusters of galaxies.


Abstract (from CDS):

We demonstrate that individual elliptical galaxies and clusters of galaxies form a continuous X-ray luminosity-velocity dispersion (LX-σ) relation. Our samples of 280 clusters and 57 galaxies have LX∝σ4.4 and LX∝σ10, respectively. This unified LX-σ 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.

Abstract Copyright:

Journal keyword(s): Galaxies: Clusters: General - X-Rays: Galaxies

VizieR on-line data: <Available at CDS (J/ApJ/554/L129): galaxy.dat system.dat>

Simbad objects: 364

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