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Groups of galaxies. I - Nearby groups
Abstract
Generalized techniques for determining density enhancements in redshift space are presented, and one of these techniques is used to examine the effects of varying selection criteria on the dynamical parameters defined for groups of galaxies. There is a broad range of selection parameters which yields well defined and well behaved groups. A whole sky catalog of nearby groups with outer number density enhancement exceeding 20 is presented; the median M/L for these groups is approximately 170, corresponding to a cosmological density Omega = 0.1. A two-dimensional projection of several contours near the Virgo cluster is examined, and the clustering is found to exhibit both concentric and hierarchical structure.
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Citations
Cited by
Kravtsov, A. V., & Borgani, S. (2012) · Annual Review of Astronomy and Astrophysics · doi:10.1146/annurev-astro-081811-125502 · Cited by 870
Weinmann, S. M., van den Bosch, F. C., Yang, X., & Mo, H. J. (2006) · Monthly Notices of the Royal Astronomical Society · doi:10.1111/j.1365-2966.2005.09865.x · Cited by 705
Sousbie, T. (2011) · Monthly Notices of the Royal Astronomical Society · doi:10.1111/j.1365-2966.2011.18394.x · Cited by 674
Galaxy Zoo: the dependence of morphology and colour on environment
Bamford, S. P., Nichol, R. C., Baldry, I. K., Land, K., Lintott, C. J., Schawinski, K., Slosar, A., Szalay, A. S., Thomas, D., Torki, M., et al. (2009) · Monthly Notices of the Royal Astronomical Society · doi:10.1111/j.1365-2966.2008.14252.x · Cited by 584
The SAURON project — II. Sample and early results
Tim de Zeeuw, P., Bureau, M., Emsellem, E., Bacon, R., Marcella Carollo, C., Copin, Y., Davies, R. L., Kuntschner, H., Miller, B. W., Monnet, G., et al. (2002) · Monthly Notices of the Royal Astronomical Society · doi:10.1046/j.1365-8711.2002.05059.x · Cited by 565
Metadata
- Authors
- Huchra, J. P., & Geller, M. J.
- Venue
- The Astrophysical Journal
- Publisher
- American Astronomical Society
- Published
- 1982-06
- Volume
- 257
- Pages
- 423
- ISSN
- 0004-637X (ISSN-L)
- 1538-4357
- OpenAlex
- W2110884992
- Cited by
- 853
- References
- 0
- FWCI
- 6.08
- Type
- journal article
- Language
- en
- Open access
- closed
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- Huchra, J. P., & Geller, M. J. (1982). Groups of galaxies. I - Nearby groups. The Astrophysical Journal. https://doi.org/10.1086/160000
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
