Lyons Groups Of Galaxies

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Short description: Astronomical catalogue

Lyons Groups of Galaxies (or LGG) is an astronomical catalog of nearby groups of galaxies complete to a limiting apparent magnitude B0=14.0 with a recession velocity smaller than 5,500 km/s. The catalogue was obtained from the Lyon-Meudon Extragalactic Database. Two methods were used in group construction: a percolation method derived from Huchra and Geller [1] and a hierarchical method initiated by R. Brent Tully.[2] The catalog is a synthesized version of the two results.

The LGG includes 485 groups and 3,933 member galaxies.

See also

  • Abell catalogue
  • New General Catalogue
  • Messier Catalogue

References

  1. ↑ Huchra, J. P.; Geller, M. J. (June 1982). "Groups of galaxies. I - Nearby groups". Astrophysical Journal. Part 1 257 (June 15, 1982): 423–437. doi:10.1086/160000. Bibcode: 1982ApJ...257..423H. http://articles.adsabs.harvard.edu/cgi-bin/nph-iarticle_query?1982ApJ...257..423H&data_type=PDF_HIGH&whole_paper=YES&type=PRINTER&filetype=.pdf. Retrieved March 24, 2012. 
  2. ↑ Tully, R. B. (April 1980). "Nearby groups of galaxies. I - The NGC 1023 group". Astrophysical Journal. Part 1 237 (Apr. 15, 1980): 390–403. doi:10.1086/157881. Bibcode: 1980ApJ...237..390T. http://articles.adsabs.harvard.edu/cgi-bin/nph-iarticle_query?1980ApJ...237..390T&data_type=PDF_HIGH&whole_paper=YES&type=PRINTER&filetype=.pdf. Retrieved March 24, 2012. 

External links

  • LGG description at CDS
  • Full LGG list of records at CDS
  • ADS: General study of group membership. II - Determination of nearby groups




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Categories: [Astronomical catalogues of galaxy clusters]

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