Mass-to-light ratio gradients in early-type galaxy haloes
Owing to the fact that the near future should see a rapidly expanding set of probes of the halo masses of individual early-type galaxies, we introduce a convenient parameter for characterizing the halo masses from both observational and theoretical results: ∇ℓΥ, the logarithmic radial gradient of the mass-to-light ratio. Using halo density profiles from Λ-cold dark matter (CDM) simulations, we derive predictions for this gradient for various galaxy luminosities and star formation efficiencies...[Show more]
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|Source:||Monthly Notices of the Royal Astronomical Society|
|01_Napolitano_Mass-to-light_ratio_gradients_2005.pdf||372.95 kB||Adobe PDF||Request a copy|
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