M96 Group

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M96 Group
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M95 (left) and M96 (right). Credit:Scott Anttila.
Observation data (Epoch J2000[1][2])
ConstellationTemplate:Pluralize from textLeo[3][4]
Right ascensionTemplate:RA [1]
DeclinationTemplate:DEC [1]
Brightest memberM96[3][4]
Number of galaxies8-24[3][4][5][6]
Distance11.3 Mpc (37 Mly) [1]
Other designations
Leo I Group,[6] LGG 217,[3] NOGG H 507,[4]
NOGG P1 498,[4] NOGG P2 507[4]

The M96 Group (also known as the Leo I Group) is a group of galaxies in the constellation Leo. This group contains between 8 and 24 galaxies, including three Messier objects.[3][4][5][6] It also contains the Leo Ring. The group is one of many groups that lies within the Virgo Supercluster (the combined Local Group and Virgo Cluster).[7]

Members

The table below lists galaxies that have been consistently identified as group members in the Nearby Galaxies Catalog,[5] the survey of Fouque et al.,[6] the Lyons Groups of Galaxies (LGG) Catalog,[3] and the three group lists created from the Nearby Optical Galaxy sample of Giuricin et al.[4]

Members of the M96 Group
Name Type[8][9] R.A. (J2000)[8][9] Dec. (J2000)[8][9] Redshift (km/s)[8][9] Apparent Magnitude[8][9]
M95 SB(r)b Template:RA Template:DEC 778 ± 4 11.4
M96 SAB(rs)ab Template:RA Template:DEC 897 ± 4 10.1
M105 E1 Template:RA Template:DEC 911 ± 2 10.2
NGC 3299 SAB(s)dm Template:RA Template:DEC 641 ± 6 13.3
NGC 3377 E5.5 Template:RA Template:DEC 665 ± 2 11.2
NGC 3384 E7 Template:RA Template:DEC 704 ± 2 10.9
NGC 3412 SB(s)0 Template:RA Template:DEC 841 ± 2 11.5
NGC 3489 SAB(rs)0 Template:RA Template:DEC 677 ± 2 11.1
Leo Ring H I region Template:RA Template:DEC 960 ± 80

Nearby groups

The Leo Triplet, which includes the spiral galaxies M65, M66, and NGC 3628,[3][4][5] is located physically near the M96 Group.[10] Some group identification algorithms actually identify the Leo Triplet at part of the M96 Group.[4][6] The two groups may actually be separate parts of a much larger group.[10]

File:A galactic maelstrom.jpg
M96 Group also includes the bright galaxies Messier 105 and Messier 95.[11]

See also

References

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  1. ^ a b c d Page Module:Citation/CS1/styles.css has no content."MESSIER 096 GROUP". NASA/IPAC Extragalactic Database. Retrieved 2015-11-05.
  2. ^ Page Module:Citation/CS1/styles.css has no content."NAME M96 GROUP". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2015-10-24. {{cite web}}: Invalid |mode=Script error: No such module "Citation mode". (help)
  3. ^ a b c d e f g Page Module:Citation/CS1/styles.css has no content.A. Garcia (1993). "General study of group membership. II - Determination of nearby groups". Astronomy and Astrophysics Supplement. 100: 47–90. Bibcode:1993A&AS..100...47G.
  4. ^ a b c d e f g h i j Page Module:Citation/CS1/styles.css has no content.G. Giuricin; C. Marinoni; L. Ceriani; A. Pisani (2000). "Nearby Optical Galaxies: Selection of the Sample and Identification of Groups". Astrophysical Journal. 543 (1): 178–194. arXiv:astro-ph/0001140. Bibcode:2000ApJ...543..178G. doi:10.1086/317070. S2CID 9618325.
  5. ^ a b c d Page Module:Citation/CS1/styles.css has no content.R. B. Tully (1988). Nearby Galaxies Catalog. Cambridge: Cambridge University Press. ISBN 0-521-35299-1.
  6. ^ a b c d e Page Module:Citation/CS1/styles.css has no content.P. Fouque; E. Gourgoulhon; P. Chamaraux; G. Paturel (1992). "Groups of galaxies within 80 Mpc. II - The catalogue of groups and group members". Astronomy and Astrophysics Supplement. 93: 211–233. Bibcode:1992A&AS...93..211F.
  7. ^ Page Module:Citation/CS1/styles.css has no content.R. B. Tully (1982). "The Local Supercluster". Astrophysical Journal. 257: 389–422. Bibcode:1982ApJ...257..389T. doi:10.1086/159999.
  8. ^ a b c d e Page Module:Citation/CS1/styles.css has no content."NASA/IPAC Extragalactic Database". Results for various galaxies. Retrieved 2006-10-24.
  9. ^ a b c d e Page Module:Citation/CS1/styles.css has no content."SIMBAD". Retrieved 2015-10-24.
  10. ^ a b Page Module:Citation/CS1/styles.css has no content.L. Ferrarese; H. C. Ford; J. Huchra; R. C. Kennicutt Jr.; J. R. Mould; S. Sakai; W. L. Freedman; P. B. Stetson; B. F. Madore; B. K. Gibson; J. A. Graham; S. M. Hughes; G. D. Illingworth; D. D. Kelson; L. Macri; K. Sebo; N. A. Silbermann (2000). "A Database of Cepheid Distance Moduli and Tip of the Red Giant Branch, Globular Cluster Luminosity Function, Planetary Nebula Luminosity Function, and Surface Brightness Fluctuation Data Useful for Distance Determinations". Astrophysical Journal Supplement. 128 (2): 431–459. arXiv:astro-ph/9910501. Bibcode:2000ApJS..128..431F. doi:10.1086/313391. S2CID 121612286.
  11. ^ Page Module:Citation/CS1/styles.css has no content."A galactic maelstrom". Retrieved 31 August 2015.
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