Ptolemaioshopen (Norwegian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Ptolemaioshopen" in Norwegian language version.

refsWebsite

Global rank Norwegian rank

18^th place

86^th place

2^nd place

9^th place

887^th place

996^th place

69^th place

407^th place

1books.google.com

3^rd place

36^th place

arxiv.org

Villanova, S.; Carraro, G.; Saviane, I. (September 2009), «A spectroscopic study of the open cluster NGC 6475 (M 7). Chemical abundances from stars in the range Teff = 4500-10 000 K», Astronomy and Astrophysics 504 (3): 845–852, arXiv:0906.4330, Bibcode 2009A&A...504..845V, DOI:10.1051/0004-6361/200811507

books.google.com

Gendler, Robert; Christensen, Lars Lindberg; Malin, David (2011), Treasures of the Southern Sky: A Photographic Anthology, Springer, s. 139, ISBN 1461406277, http://books.google.com/books?id=fJtp27II6lYC&pg=PA139

caltech.edu

ned.ipac.caltech.edu

«MESSIER 007», NASA/IPAC Extragalactic Database (NASA), http://ned.ipac.caltech.edu/cgi-bin/nph-objsearch?objname=Messier+7, besøkt 2012-04-19

doi.org

dx.doi.org

Villanova, S.; Carraro, G.; Saviane, I. (September 2009), «A spectroscopic study of the open cluster NGC 6475 (M 7). Chemical abundances from stars in the range Teff = 4500-10 000 K», Astronomy and Astrophysics 504 (3): 845–852, arXiv:0906.4330, Bibcode 2009A&A...504..845V, DOI:10.1051/0004-6361/200811507
Piskunov, A. E. m. fl.. (January 2008), «Tidal radii and masses of open clusters», Astronomy and Astrophysics 477 (1): 165–172, Bibcode 2008A&A...477..165P, DOI:10.1051/0004-6361:20078525

harvard.edu

adsabs.harvard.edu

Villanova, S.; Carraro, G.; Saviane, I. (September 2009), «A spectroscopic study of the open cluster NGC 6475 (M 7). Chemical abundances from stars in the range Teff = 4500-10 000 K», Astronomy and Astrophysics 504 (3): 845–852, arXiv:0906.4330, Bibcode 2009A&A...504..845V, DOI:10.1051/0004-6361/200811507
Piskunov, A. E. m. fl.. (January 2008), «Tidal radii and masses of open clusters», Astronomy and Astrophysics 477 (1): 165–172, Bibcode 2008A&A...477..165P, DOI:10.1051/0004-6361:20078525