The Velocity Dispersion Function of Early‐Type Galaxies

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The Velocity Dispersion Function of Early‐Type Galaxies

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Title: The Velocity Dispersion Function of Early‐Type Galaxies
Author: Sheth, Ravi; Bernardi, Mariangela; Schechter, Paul; Burles, Scott; Eisenstein, Daniel James; Finkbeiner, Douglas; Frieman, Joshua; Lupton, Robert; Schlegel, David; Subbarao, Mark; Shimasaku, K.; Bahcall, Neta; Brinkmann, J.; Ivezić, Željko

Note: Order does not necessarily reflect citation order of authors.

Citation: Sheth, Ravi K., Mariangela Bernardi, Paul L. Schechter, Scott Burles, Daniel J. Eisenstein, Douglas P. Finkbeiner, Joshua Frieman, et al. 2003. “The Velocity Dispersion Function of Early‐Type Galaxies.” The Astrophysical Journal 594 (1) (September): 225–231. doi:10.1086/376794.
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Abstract: The distribution of early-type galaxy velocity dispersions, phgr(σ), is measured using a sample drawn from the Sloan Digital Sky Survey database. Its shape differs significantly from that obtained by simply using the mean correlation between luminosity L and velocity dispersion σ to transform the luminosity function into a velocity function: ignoring the scatter around the mean σ-L relation is a bad approximation. An estimate of the contribution from late-type galaxies is also made, which suggests that phgr(σ) is dominated by early-type galaxies at velocities larger than ~200 km s-1.
Published Version: 10.1086/376794
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:34519626
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