HCG 87

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HCG 87
Observation data (Epoch )
Constellation(s) Capricornus
Right ascension 20h 48m 11.9ss[1]
Declination -19° 50′ 35″[1]
Number of galaxies ~5
See also: Galaxy groups and clusters, List of galaxy clusters
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HCG 87 is a compact group of galaxies listed in the Hickson Compact Group Catalogue. This group is about 400 million light-years away[citation needed] in the constellation Capricornus.

[edit] Members

Members of the HCG 87
Name Type[2] R.A. (J2000)[2] Dec. (J2000)[2] Redshift (km/s)[2] Apparent Magnitude[2]
HCG 87a S0 pec 20h 48m 15.0s -19° 50′ 58″ 8443 ± 14 15.3
HCG 87b SA(r)0 pec 20h 48m 10.9s -19° 51′ 23″ 8740 ± 20 15.4
HCG 87c Sb 20h 48m 12.0s -19° 49′ 56″ 8914 ± 7 16.1
HCG 87d Sd 20h 48m 12.8s -19° 50′ 46″ 10200 ± 160 17.8

[edit] External links

[edit] References

  1. ^ a b NASA/IPAC Extragalactic Database. Results for HCG 87. Retrieved on 2006-10-19.
  2. ^ a b c d e NASA/IPAC Extragalactic Database. Results for various galaxies. Retrieved on 2006-10-19.


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