Astronomy and Astrophysics – Astronomy
Scientific paper
Apr 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986mnras.219..457e&link_type=abstract
Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 219, April 1, 1986, p. 457-478.
Astronomy and Astrophysics
Astronomy
96
Correlation, Galactic Clusters, Galactic Structure, Spatial Distribution, Void Ratio, Astronomical Models, Luminosity, Neutrinos, Tables (Data), Universe
Scientific paper
The galaxian spatial correlation function is calculated for various observational samples having different sample volume. It is demonstrated that the correlation length increases with sample volume. For volumes considerably smaller than the size of the Local Supercluster the correlation length is about half the conventional value, 5/h Mpc, which corresponds to sizes of intermediate samples, containing the whole supercluster. Samples containing several superclusters have correlation lengths twice the conventional one. Similar calculations have been carried out for various theoretical models. Samples representing luminous matter in a neutrino-dominated universe and having different sample volumes have correlation length which increases with volume until the sample size reaches the average size of voids. Further increase in the sample size does not change the correlation length, indicating that fair samples of the model universe have been reached. These calculations and simple theoretical estimates indicate that the value of the correlation length reflects the filling factor of the sample and the presence of large voids in galaxy distribution. The observed correlation function of galaxies reflects the distribution of luminous matter. After correcting for the difference between the correlation functions of true mass and galaxies, the correlation length for a fair sample of the universe is estimated to be 10/h Mpc.
Einasto Jaan
Klypin Anatoly
Saar Enn
No associations
LandOfFree
Structure of superclusters and supercluster formation. V - Spatial correlation and voids does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Structure of superclusters and supercluster formation. V - Spatial correlation and voids, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Structure of superclusters and supercluster formation. V - Spatial correlation and voids will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-1103167