HCG 87

HCG 87
HCG 87, fotografado pelo HST.
HCG 87, fotografado pelo HST.
Dados observacionais (J2000)
Constelação Capricornus
Asc. reta 20h 48m 11.9s[1]
Declinação -19° 50′ 35″[1]
Número de Membros ~5
Outras denominações
Hickson 87

HCG 87 é um grupo compacto de galáxias, está listado no catálogo de Grupos Compactos de Hickson. Este grupo está a aproximadamente 400 milhões de anos-luz da Terra[2], na direção da constelação de Capricornus.

Membros

Membros do grupo HCG 87
Nome Tipo[3] A.R. (J2000)[3] Dec. (J2000)[3] Redshift (km/s)[3] Magnitude[3]
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

Ver também

Ligações externas

Referências

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