Practical statistics for the voids between galaxies

Practical statistics for the voids between galaxies

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The voids between galaxies are identified with the volumes of the Poisson Voronoi tessellation. Two new survival functions for the apparent radii of voids are derived. The sectional normalized area of the Poisson Voronoi tessellation is modelled by the Kiang function and by the exponential...

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Main Author: Zaninetti L.
Format: Article
Language:English
Published: Astronomical Observatory, Department of Astronomy, Belgrade 2010-01-01
Series:Serbian Astronomical Journal
Subjects:
methods: statistical
cosmology: observations
large-scale structure of Universe
Online Access:http://www.doiserbia.nb.rs/img/doi/1450-698X/2010/1450-698X1081019Z.pdf
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spelling doaj-aef8fdbf2c464613b1476103ee20fa032020-11-24T23:32:27ZengAstronomical Observatory, Department of Astronomy, BelgradeSerbian Astronomical Journal1450-698X1820-92892010-01-012010181192910.2298/SAJ1081019Z1450-698X1081019ZPractical statistics for the voids between galaxiesZaninetti L.The voids between galaxies are identified with the volumes of the Poisson Voronoi tessellation. Two new survival functions for the apparent radii of voids are derived. The sectional normalized area of the Poisson Voronoi tessellation is modelled by the Kiang function and by the exponential function. Two new survival functions with equivalent sectional radius are therefore derived; they represent an alternative to the survival function of voids between galaxies as given by the self-similar distribution. The spatial appearance of slices of the 2dF Galaxy Redshift Survey is simulated.http://www.doiserbia.nb.rs/img/doi/1450-698X/2010/1450-698X1081019Z.pdfmethods: statisticalcosmology: observationslarge-scale structure of Universe
collection DOAJ
language English
format Article
sources DOAJ
author Zaninetti L.
spellingShingle Zaninetti L.
Practical statistics for the voids between galaxies
Serbian Astronomical Journal
methods: statistical
cosmology: observations
large-scale structure of Universe
author_facet Zaninetti L.
author_sort Zaninetti L.
title Practical statistics for the voids between galaxies
title_short Practical statistics for the voids between galaxies
title_full Practical statistics for the voids between galaxies
title_fullStr Practical statistics for the voids between galaxies
title_full_unstemmed Practical statistics for the voids between galaxies
title_sort practical statistics for the voids between galaxies
publisher Astronomical Observatory, Department of Astronomy, Belgrade
series Serbian Astronomical Journal
issn 1450-698X
1820-9289
publishDate 2010-01-01
description The voids between galaxies are identified with the volumes of the Poisson Voronoi tessellation. Two new survival functions for the apparent radii of voids are derived. The sectional normalized area of the Poisson Voronoi tessellation is modelled by the Kiang function and by the exponential function. Two new survival functions with equivalent sectional radius are therefore derived; they represent an alternative to the survival function of voids between galaxies as given by the self-similar distribution. The spatial appearance of slices of the 2dF Galaxy Redshift Survey is simulated.
topic methods: statistical
cosmology: observations
large-scale structure of Universe
url http://www.doiserbia.nb.rs/img/doi/1450-698X/2010/1450-698X1081019Z.pdf
work_keys_str_mv AT zaninettil practicalstatisticsforthevoidsbetweengalaxies
_version_ 1725534043232010240

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