SIMBAD references

2013MNRAS.433L..30L - Mon. Not. R. Astron. Soc., 433, L30-L34 (2013/July-3)

A scaling relation for disc galaxies: circular-velocity gradient versus central surface brightness.


Abstract (from CDS):

For disc galaxies, a close relation exists between the distribution of light and the shape of the rotation curve. We quantify this relation by measuring the inner circular-velocity gradient dRV(0) for spiral and irregular galaxies with high-quality rotation curves. We find that dRV(0) correlates with the central surface brightness µ0 over more than two orders of magnitude in dRV(0) and four orders of magnitudes in µ0. This is a scaling relation for disc galaxies. It shows that the central stellar density of a galaxy closely relates to the inner shape of the potential well, also for low-luminosity and low-surface-brightness galaxies that are expected to be dominated by dark matter.

Abstract Copyright: © 2013 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society (2013)

Journal keyword(s): galaxies: kinematics and dynamics - galaxies: structure - dark matter

VizieR on-line data: <Available at CDS (J/MNRAS/433/L30): table1.dat refs.dat>

Status at CDS : All or part of tables of objects could be ingested in SIMBAD with priority 2.

Simbad objects: 75

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