Substructure analysis of selected low-richness 2dFGRS clusters of galaxies
Burgett, William; Vick, Michael; Davis, David; Colless, Matthew; De Propris, Roberto; Baldry, Ivan K; Baugh, Carlton M; Bland-Hawthorn, Joss; Bridges, Terry C; Cannon, Russell; Cole, Shaun; Collins, Chris; Couch, Warrick; Cross, Nicholas J G; Dalton, Gavin; Driver, Simon; Efstathiou, George; Ellis, Richard S; Frenk, Carlos S; Glazebrook, Karl; Hawkins, Edward; Jackson, Carole A; Lahav, Ofer; Lewis, Ian; Lumsden, Stuart; Maddox, Steve J; Madgwick, Darren; Norberg, Peder; Peacock, John A; Percival, Will J; Peterson, Bruce; Sutherland, William J; Taylor, Keith
Complementary one-, two- and three-dimensional tests for detecting the presence of substructure in clusters of galaxies are applied to recently obtained data from the 2dF Galaxy Redshift Survey. The sample of 25 clusters used in this study includes 16 clusters not previously investigated for substructure. Substructure is detected at or greater than the 99 per cent confidence level in at least one test for 21 of the 25 clusters studied here. From the results, it appears that low-richness...[Show more]
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|Source:||Monthly Notices of the Royal Astronomical Society|
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