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Compact Groups of Galaxies

Published online by Cambridge University Press:  25 May 2016

P. Hickson
P. Hickson*
Affiliation:
University of British Columbia, Dept. Physics & Astronomy, 2219 Main Mall, Vancouver, B.C. V6T1Z4 Canada

Abstract

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This paper reviews some of the outstanding questions concerning compact groups of galaxies. These relate to the physical nature and dynamical status of the groups, their formation and evolution, and their role in galaxy evolution. The picture that emerges is that compact groups are generally physically dense systems, although often contaminated by optical projections. Their evolution is likely a continuous process of infall, interaction and merging. As new galaxies are added, and previous ones merge, the membership of the group evolves. I suggest that while the size of the group changes little, other physical properties such as total mass, gas mass, velocity dispersion, fraction of early-type galaxies increase with time. This picture is at least qualitatively consistent with observations and provides a natural explanation for the strongest correlations found in compact group samples.

Type
Groups & Clusters
Information
Symposium - International Astronomical Union , Volume 186: Galaxy Interactions at High and Low Redshift , 1999 , pp. 367 - 373
Copyright
Copyright © Kluwer 1999 

References

1. Arp, C, 1997, ApJ, 474, 74 Google Scholar
2. Athanassoula, E, Makino, J & Bosma, A, 1997, MNRAS, 286, 825 CrossRefGoogle Scholar
3. Bahcall, JN, Kirharos, S, Saxe, DH & Schneider, DP, 1997, ApJ, 479, 642 Google Scholar
4. Barnes, JE, 1989, Nature, 338, 123 Google Scholar
5. Burbidge, EM, & Burbidge, GR, 1959, ApJ, 130, 23 Google Scholar
6. Burbidge, EM, & Burbidge, GR, 1961, ApJ, 134, 244 Google Scholar
7. Carnevali, P, Cavaliere, A & Santangelo, P, 1981, ApJ, 249, 449 Google Scholar
8. Coziol, R, Ribeiro, ALB, de Carvalho, RR & Capelato, , 1997, preprint Google Scholar
9. Diafario, A, Geller, MJ & Ramella, M, 1994, AAJ, 107, 868 Google Scholar
10. Governato, F, Chincarini, G, Bhatia, R, 1991, ApJ, 371, L15 Google Scholar
11. Governato, F, Tozzi, P, Cavaliere, A, 1996, ApJ, 458, 18 CrossRefGoogle Scholar
12. Hernquist, L, Katz, N, Weinberg, DH, 1995, ApJ, 442, 57 Google Scholar
13. Hickson, P, 1982, ApJ, 255, 382 Google Scholar
14. Hickson, P, 1997, ARAA, 35, 357 CrossRefGoogle Scholar
15. Hickson, P, 1998, in preparation Google Scholar
16. Hickson, P, Kindl, E & Huchra, JP, 1988, ApJ, 331, 64 Google Scholar
17. Hickson, P, Mendes de Oliveira, C, Huchra, JP & Palumbo, GGC, 1992, ApJ, 399, 353 Google Scholar
18. Hickson, P, Richstone, DO & Turner, EL, 1977, ApJ, 213, 323 Google Scholar
19. Hickson, P & Rood, HJ, 1988, ApJ, 331, L69 CrossRefGoogle Scholar
20. Hutchings, JB, 1995, AJ, 109, 928 Google Scholar
21. Iglesias-Paramo, J, Vilchez, JM, 1997, ApJ, 479, 190 Google Scholar
22. Iglesias-Paramo, J, Vilchez, JM, 1997, ApJ, 489, L13 CrossRefGoogle Scholar
23. Iovino, A & Hickson, P, 1997, MNRAS, 287, 21 CrossRefGoogle Scholar
24. Longo, G, et al, 1994, A&Ap, 281, 418 Google Scholar
25. Mamon, GA, 1986, ApJ, 307, 426 Google Scholar
26. Mendes de Oliveira, C & Hickson, P, 1991, ApJ, 380, 30 CrossRefGoogle Scholar
27. Mendes de Oliveira, C & Hickson, P, 1994, ApJ, 427, 684 Google Scholar
28. Menon, TK, 1995, AJ, 110, 2605 Google Scholar
29. Menon, TK, 1995, MNRAS, 274. 845 Google Scholar
30. Moles, M, et al, 1994, A&Ap, 285, 404 Google Scholar
31. Moles, M, Sulentic, JW & Márquez, I, 1997, ApJ, 485, L69 Google Scholar
32. Palumbo, GGC, et al., 1993, ApJ, 405, 413 Google Scholar
33. Ponman, TJ, Bourner, PDJ, Ebeling, H, & Bohringer, H, 1996, MNRAS, 283, 690 Google Scholar
34. Rodrigue, M, et al, 1995, AJ, 109, 2362 Google Scholar
35. Ribeiro, ALB, et al, 1996, ApJ, 463, L5 Google Scholar
36. Rubin, VC, Ford, WKJ & Hunter, DA, 1990, ApJ, 365, 86 Google Scholar
37. Rubin, VC, Hunter, DA & Ford, WKJ, 1991, ApJ Suppl, 76, 153 Google Scholar
38. Rose, JA, 1977, ApJ, 211, 311 CrossRefGoogle Scholar
39. Sanders, DB & Mirabel, IF, 1996, ARAA, 34, 749 Google Scholar
40. Sargent, WLW, 1968, ApJ Lett, 153, L135 Google Scholar
41. Stephan, ME, 1877, MNRAS, 37, 334 Google Scholar
42. Stockton, A, 1982, ApJ, 257, 33 Google Scholar
43. Sulentic, JW, 1997, ApJ, 482, 640 Google Scholar
44. Sulentic, JW & Rabaca, 1994, ApJ, 429, 531 CrossRefGoogle Scholar
45. Verdes-Montenegro, L et al., 1997, A&Ap, 321, 409 Google Scholar
46. Yen, MS, Verdes-Montenegro, L, del Olmo, A & Perea, J, 1997, ApJ, 475, L21 Google Scholar