NGC 7009 (Czech Wikipedia)

Analysis of information sources in references of the Wikipedia article "NGC 7009" in Czech language version.

refsWebsite
Global rank Czech rank
5,388th place
1,978th place
18th place
99th place
69th place
196th place
1st place
1st place
1,342nd place
1,190th place
2nd place
4th place

arxiv.org (Global: 69th place; Czech: 196th place)

doi.org (Global: 2nd place; Czech: 4th place)

harvard.edu (Global: 18th place; Czech: 99th place)

adsabs.harvard.edu

seds.org (Global: 5,388th place; Czech: 1,978th place)

messier.seds.org

  • Messier Online Astronomical Database: Saturn Nebula [online]. [cit. 2016-04-01]. Dostupné online. (anglicky) 
  • COE, Steve; CRAYON, A. J. SAC 110 best NGC object list [online]. 1990-04-01 [cit. 2016-04-01]. Dostupné online. (anglicky) 
  • MOORE, Patrick. The Caldwell Catalog [online]. 1995 [cit. 2016-04-01]. Dostupné online. (anglicky) 

u-strasbg.fr (Global: 1,342nd place; Czech: 1,190th place)

simbad.u-strasbg.fr

  • SIMBAD Astronomical Database: Results for NGC 7009 [online]. [cit. 2016-04-01]. Dostupné online. (anglicky) 

web.archive.org (Global: 1st place; Czech: 1st place)

  • The NGC/IC Project: Results for NGC 7009 [online]. [cit. 2016-04-01]. Dostupné v archivu pořízeném dne 2009-05-28. (anglicky)