M109星系團
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5,500萬光年的星系團,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]里昂星系群表[1]和三個星系團一致被確定為星系團成員的星系。[2]
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
- ^ 1.0 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.
- ^ 2.0 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
. doi:10.1086/317070.
- ^ 3.0 3.1 R. B. Tully. Nearby Galaxies Catalog. Cambridge: Cambridge University Press. 1988. ISBN 0-521-35299-1.
- ^ 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.
- ^ 5.0 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).