LCRS loose groups of galaxies (Tucker+, 2000)

Details LCRS loose groups of galaxies (Tucker+, 2000) LCRS loose groups of galaxies (Tucker+, 2000)

Jan 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001ycat..21300237t&link_type=abstract

VizieR On-line Data Catalog: J/ApJS/130/237. Originally published in: 2000ApJS..130..237T

Other

Clusters: Galaxy, Galaxy Catalogs, Redshifts

Scientific paper

A "friends-of-friends" percolation algorithm has been used to extract a catalog of {delta}n/n=80 density enhancements (groups) from the six slices of the Las Campanas Redshift Survey (LCRS). The full catalog contains 1495 groups and includes 35% of the LCRS galaxy sample. A clean sample of 394 groups has been derived by culling groups from the full sample that either are too close to a slice edge, have a crossing time greater than a Hubble time, have a corrected velocity dispersion of zero, or contain a 55"-'orphan' (a galaxy with a mock redshift that was excluded from the original LCRS redshift catalog due to its proximity to another galaxy, i.e., within 55").
(3 data files).

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