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M109星系團

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M109 Group
觀測數據(曆元J2000
星座大熊座
赤经11h 55m[1][2]
赤纬+51° 20′[1][2]
最亮的成員M109[1][2]
星系的數量41–58[1][2][3]
其它名稱
NGC 3992 Group, LGG 258,[1]
NOGG H 547,[2]
NOGG P1 588,[2] NOGG P2 597[2]
參見:星系群星系团星系團列表

M109星系團(M109 Group),也稱為NGC 3992星系團(NGC 3992 Group)或大熊座雲(Ursa Major cloud),是大熊座中距離地球約5,500萬光年星系團,該星系團以棒旋星系M109來命名。

成員

下表列出了在鄰近星系表[3]、Fouque等人的調查結果、[4]里昂星系群[1]和三個星系團一致被確定為星系團成員的星系。[2]

Members of the M109 Group
名稱 Type[5] R.A. (J2000)[5] Dec. (J2000)[5] 紅位移 (km/s)[5] 視星等[5]
M109 SB(rs)bc 11h 57m 36.0s +53° 22′ 28″ 1048 ± 1 10.6
NGC 3718 SB(s)a pec 11h 32m 34.9s +53° 04′ 05″ 993 ± 1 11.6
NGC 3726 SAB(r)c 11h 33m 21.2s +47° 01′ 45″ 866 ± 1 10.9
NGC 3729 SB(r)a pec 11h 33m 49.3s +53° 07′ 32″ 1060 ± 1 12.0
NGC 3769 SB(r)b 11h 37m 44.1s +47° 53′ 35″ 737 ± 2 12.5
NGC 3782 SAB(s)cd 11h 39m 20.7s +46° 30′ 48″ 739 ± 6 13.1
NGC 3870 S0 11h 45m 56.6s +50° 11′ 59″ 756 ± 7 13.4
NGC 3877 Sc 11h 46m 07.8s +47° 29′ 41″ 895 ± 4 12.1
NGC 3893 SAB(rs)c 11h 48m 38.2s +48° 42′ 39″ 967 ± 1 11.2
NGC 3913 (R)SA(rs)d 11h 50m 38.9s +55° 21′ 14″ 954 ± 4 13.2
NGC 3917 SAcd 11h 50m 45.5s +51° 49′ 27″ 965 ± 1 12.5
NGC 3922 S0/a 11h 51m 13.4s +50° 09′ 25″ 906 ± 7 13.4
NGC 3928 SA(s)b 11h 51m 47.6s +48° 40′ 59″ 988 ± 4 13.0
NGC 3949 SA(s)bc 11h 53m 41.4s +47° 51′ 32″ 800 ± 1 11.5
NGC 3953 SB(r)bc 11h 53m 48.9s +52° 19′ 36″ 1052 ± 2 10.8
NGC 3972 SA(s)bc 11h 55m 45.1s +55° 19′ 15″ 852 ± 1 13.1
NGC 3982 SAB(r)b 11h 56m 28.1s +55° 07′ 31″ 1109 ± 6 12.0
NGC 4010 SB(s)d 11h 58m 37.9s +47° 15′ 41″ 902 ± 1 13.2
NGC 4026 S0 11h 59m 25.2s +50° 57′ 42″ 930 ± 40 11.7
NGC 4085 SAB(s)c 12h 05m 22.7s +50° 21′ 10″ 746 ± 5 13.0
NGC 4088 SAB(rs)bc 12h 05m 34.2s +50° 32′ 21″ 757 ± 1 11.2
NGC 4100 (R)SA(rs)bc 12h 06m 08.1s +49° 34′ 59″ 1074 ± 1 11.9
NGC 4102 SAB(s)b 12h 06m 23.1s +52° 42′ 39″ 846 ± 2 12.0
NGC 4142 SB(s)d 12h 09m 30.2s +53° 06′ 18″ 1157 ± 7 13.9
NGC 4157 SAB(s)b 12h 11m 04.4s +50° 29′ 05″ 774 ± 2 12.2
UGC 6628 SAm 11h 40m 06.7s +45° 56′ 34″ 841 ± 1 13.2
UGC 6667 Scd 11h 42m 26.3s +51° 35′ 53″ 973 ± 1 14.2
UGC 6840 SB(rs)m 11h 52m 07.0s +52° 06′ 29″ 1046 ± 5 14.3
UGC 6917 SBm 11h 56m 28.8s +50° 25′ 42″ 911 ± 1 13.1
UGC 6923 Im 11h 56m 49.4s +53° 09′ 37″ 1066 ± 2 15.1
UGC 6930 SAB(s)d 11h 57m 17.3s +49° 16′ 59″ 777 ± 0 12.7
UGC 6983 SB(rs)cd 11h 59m 09.3s +52° 42′ 27″ 1082 ± 1 13.1
UGC 7218 Im 12h 12m 56.5s +52° 15′ 55″ 770 ± 7 14.8

參考資料

  1. ^ 1.0 1.1 1.2 1.3 1.4 1.5 A. Garcia. General study of group membership. II – Determination of nearby groups. Astronomy and Astrophysics Supplement. 1993, 100: 47–90. Bibcode:1993A&AS..100...47G. 
  2. ^ 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 G. Giuricin; C. Marinoni; L. Ceriani; A. Pisani. Nearby Optical Galaxies: Selection of the Sample and Identification of Groups. Astrophysical Journal. 2000, 543 (1): 178–194. Bibcode:2000ApJ...543..178G. S2CID 9618325. arXiv:astro-ph/0001140可免费查阅. doi:10.1086/317070. 
  3. ^ 3.0 3.1 R. B. Tully. Nearby Galaxies Catalog. Cambridge: Cambridge University Press. 1988. ISBN 0-521-35299-1. 
  4. ^ P. Fouque; E. Gourgoulhon; P. Chamaraux; G. Paturel. Groups of galaxies within 80 Mpc. II – The catalogue of groups and group members. Astronomy and Astrophysics Supplement. 1992, 93: 211–233. Bibcode:1992A&AS...93..211F. 
  5. ^ 5.0 5.1 5.2 5.3 5.4 NASA/IPAC Extragalactic Database. Results for various galaxies. [2006-11-09]. (原始内容存档于2000-10-19).