Grupo M51 (Portuguese Wikipedia)

Analysis of information sources in references of the Wikipedia article "Grupo M51" in Portuguese language version.

refsWebsite

Global rank Portuguese rank

18^th place

51^st place

887^th place

978^th place

caltech.edu

«NASA/IPAC Extragalactic Database». Results for various galaxies. Consultado em 19 de outubro de 2006

A. Garcia (1993). «General study of group membership. II - Determination of nearby groups». Astronomy and Astrophysics Supplement. 100: 47-90
G. Giuricin, C. Marinoni, L. Ceriani, A. Pisani (2000). «Nearby Optical Galaxies: Selection of the Sample and Identification of Groups». Astrophysical Journal. 543: 178-194
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
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: 431-459