Messier 2 (Portuguese Wikipedia)

Analysis of information sources in references of the Wikipedia article "Messier 2" in Portuguese language version.

refsWebsite

Global rank Portuguese rank

10harvard.edu

18^th place

51^st place

1u-strasbg.fr

1,342^nd place

804^th place

1seds.org

5,388^th place

1,649^th place

1universetoday.com

3,691^st place

2,848^th place

harvard.edu

ui.adsabs.harvard.edu

William E. Harris (1996). «Catalogue of Milky Way Globular Cluster Parameters». Astronomical Journal. 112 (4). pp. 1487–8. Bibcode:1996AJ....112.1487H ADS: 1996AJ....112.1487H Verifique |bibcode= length (ajuda)
Halton C. Arp (1962). «The Effect of Reddening on the Derived Ages of Globular Clusters and the Absolute Magnitudes of RR Lyrae Cepheids». Astronomical Journal. 135. pp. 971–5. Bibcode:1962ApJ...135..971A ADS: 1962ApJ...135..971A Verifique |bibcode= length (ajuda)
Edward C. Pickering & Solon I. Bailey (1895). «Harvard College Observatory, circular no. 2. Variable star clusters». Astrophysical Journal. 2. pp. 321–3. Bibcode:1895ApJ.....2..321P ADS: 1895ApJ.....2..321P Verifique |bibcode= length (ajuda)
Halton C. Arp (1955). «Cepheids of period greater than 1 day in globular clusters». Astronomical Journal. 60. pp. 1–17. Bibcode:1955AJ.....60....1A ADS: 1955AJ.....60....1A Verifique |bibcode= length (ajuda)
George Wallerstein (1970). «On the incidence of cepheids in globular clusters». Astrophysical Journal. 160. Bibcode:1970ApJ...160..345W ADS: 1970ApJ...160..345W Verifique |bibcode= length (ajuda) Texto "páginas 345-7" ignorado (ajuda)
Nincovic (1983). «On Eccentricities of Globular Cluster Galactocentric Orbits». Astronomische Nachrichten. 304 (6). pp. 305–11. Bibcode:1983AN....304..305N ADS: 1983AN....304..305N Verifique |bibcode= length (ajuda)
L. Woltjer (1975). «The Galactic Halo: Globular Clusters». Astronomy and Astrophysics. 42. pp. 109–18. Bibcode:1975A&A....42..109W ADS: 1975A&A....42..109W Verifique |bibcode= length (ajuda)
Cudworth and Hanson (1993). «Space Velocities of 14 Globular Clusters». Astronomical Journal. 105. 168 páginas. Bibcode:1993AJ....105..168C ADS: 1993AJ....105..168C Verifique |bibcode= length (ajuda)
Dauphole, M. Geffert, J. Colin, C. Ducourant, M. Odenkirchen, & H.-J. Tucholke (1996). «The kinematics of globular clusters, apocentric distances and a halo metallicity gradient». Astronomy and Astrophysics. 313. pp. 119–28. Bibcode:1996A&A...313..119D ADS: 1996A&A...313..119D Verifique |bibcode= length (ajuda)
P. Brosche, M. Odenkirchen, M. Geffert, & H.-J. Tucholke (1997). «Space Motions and Orbits of Globular Clusters». Proceedings of the ESA Symposium, Hipparcos - Venice '97. Itália. pp. 531–6. Bibcode:1997hipp.conf..531B ADS: 1997hipp.conf..531B Verifique |bibcode= length (ajuda)

seds.org

messier.seds.org

Hartmut Frommert e Christine Kronberg (21 de agosto de 2007). «Messier Object 2» (em inglês). SEDS. Consultado em 9 de fevereiro de 2012

u-strasbg.fr

simbad.u-strasbg.fr

«SIMBAD Astronomical Database». Results for NGC 7089. Consultado em 15 de novembro de 2006

universetoday.com

«Messier 2» (em inglês). Universe Today. 20 de maio de 2009. Consultado em 9 de fevereiro de 2012