The space distribution of quasars

Details The space distribution of quasars The space distribution of quasars

Oct 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007arep...51..820p&link_type=abstract

Astronomy Reports, Volume 51, Issue 10, pp.820-829

Astronomy and Astrophysics

Astronomy

2

98.54.Aj, 98.62.Py

Scientific paper

The space distribution of quasars from the 2dF and SDSS DR5 catalogs in the redshift interval 0.3 < z < 1.9 is analyzed. The distributions of quasars in both catalogs are found to have the following common features: (1) when the distance between the nearest objects exceeds 35 h -1 Mpc (where h = H 0/100 km/s Mpc is the dimensionless Hubble constant), the distribution of quasars virtually coincides with a uniform three-dimensional distribution; (2) on scale lengths of (5 35) h -1 Mpc, the fractal dimension of the quasar distribution is 2.3; (3) the amplitude of quasar clustering and the average distance between neighboring quasars increase slowly with z (at a significance level of about 1.5σ). Twenty large groups of quasars with sizes of (50 150) h -1 Mpc can be identified in the 2dF catalog at the 4σ significance level. These groups are incipient superclusters (two earlier known groups are confirmed). The space density of these groups is of the order of 7 h 3 Gpc-3.

Affiliated with

Also associated with

No associations

Rating

The space distribution of quasars 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 The space distribution of quasars, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and The space distribution of quasars will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-827351