Abstract
We propose that some of the evidence, especially recent spectroscopic data, for evolution in the properties of galaxies in the central cores of high redshift clusters remain questionable. Problems include biased selection of the clusters, contamination by extraneous galaxies, and non-inclusion of several corrections including the expansion of the universe. In particular, we suggest that clusters viewed approximately in the plane of flattened superclusters will preferentially be selected, thus magnifying the contamination by other clusters and “field” galaxies. The ratio of the accepted volume to that of the cluster core may easily reach beyond 400 for redshifts z greater than 0.3. Reasonable assumptions on the density structure of clusters and superclusters predict 10% or more contamination as observed.
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References
Bahcall, N. and Soneira, R. 1983 Ap. J. ,270, 20.
Bíngellí, B., Tammann, G. A., and Sandage, A. 1987 ESO preprint no. 498.
Butcher, H. and Oemler, A. 1978a Ap.J. ,219, 18.
Ap. J. ,226, 559.
Ap. J. ,285, 426.
Nature ,310, 31.
Couch, W. J. and Newell, E. B. 1984 Ap. J. Suppl. ,56, 143.
DeGioia, K. and Grasdalen, G. L. 1980 Ap. J. (Lett) ,239, L1.
De Lapparent, V., Geller, M. J., and Huchra, J. 1986 Ap. J. (Lett), 302, LI.
Dressier, A. 1987 in Nearly Normal Galaxies: From the Planck Time to the Present ,ed. S. M. Faber (Springer-Verlag, New York) p. 276.
Dressier, A. and Gunn, J. E. 1982 Ap.J. ,263, 533.
1983 Ap. J. ,270, 7.
Dressier, A., Gunn, J. E., and Schneider, D. P. 1985 Ap. J. ,294,70.
Ellis, R. S. 1987 in IAU Symp. No. 124, Observational Cosmology, ed. A. Hewitt, G. Burbidge, and L. Z. Fang (Reidel, Dordrecht) p. 367.
Ellis, R. S., Couch, W. J., MacLaren, I. and Koo, D. C. 1985 MNRAS, 217, 239.
Fitchett, M. and Webster, R. 1987 Ap. J. ,317, 653.
Gunn, J. E. 1987 in Nearly Normal Galaxies: From the Planck Time to the Present ,ed. S. M. Faber (New York:Springer-Verlag) p. 455.
Haynes, M. P. and Giovanelli, R. 1986 Ap. J. (Lett) ,306, L55.
Huchra, J. 1988 in IAU Symp. No. 130, Evolution of Large Scale Structures in the Universe ,in press.
Kaiser, N. 1987 MNRAS ,227, 1.
Koo, D. C. 1981 Ap. J. (Lett) ,251, L75.
1986 Ap.J. ,311, 651.
Kron, R. G. 1982 Vistas in Astronomy ,26, 37.
MacLaren, I., Ellis, R. S., and Couch, W. J. 1987 MNRAS, in press.
Mathieu, R. and Spinrad, H. 1981 Ap. J. ,251, 485.
Osterbrock, D. E. 1984 Ap. J. (Lett) ,280, L43.
Pence, W. 1976 Ap. J. ,203, 39.
Wirth, A. and Gallagher, J. S. 1980 Ap. J. ,242, 469.
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© 1988 Kluwer Academic Publishers
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Koo, D.C. (1988). Comments on the Reality of the Butcher-Oemler Effect. In: Kron, R.G., Renzini, A. (eds) Towards Understanding Galaxies at Large Redshift. Astrophysics and Space Science Library, vol 141. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-2919-7_33
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DOI: https://doi.org/10.1007/978-94-009-2919-7_33
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