Messier 21 (Czech Wikipedia)

Analysis of information sources in references of the Wikipedia article "Messier 21" in Czech language version.

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arxiv.org

DIAS, W. S.; ALESSI, B. S.; MOITINHO, A., et al. New catalogue of optically visible open clusters and candidates. S. 871–873. Astronomy and Astrophysics [online]. Červenec 2002 [cit. 2017-08-14]. Roč. 389, s. 871–873. Dostupné online. arXiv astro-ph/0203351. DOI 10.1051/0004-6361:20020668. Bibcode 2002A&A...389..871D. (anglicky)

doi.org

dx.doi.org

DIAS, W. S.; ALESSI, B. S.; MOITINHO, A., et al. New catalogue of optically visible open clusters and candidates. S. 871–873. Astronomy and Astrophysics [online]. Červenec 2002 [cit. 2017-08-14]. Roč. 389, s. 871–873. Dostupné online. arXiv astro-ph/0203351. DOI 10.1051/0004-6361:20020668. Bibcode 2002A&A...389..871D. (anglicky)

harvard.edu

adsabs.harvard.edu

DIAS, W. S.; ALESSI, B. S.; MOITINHO, A., et al. New catalogue of optically visible open clusters and candidates. S. 871–873. Astronomy and Astrophysics [online]. Červenec 2002 [cit. 2017-08-14]. Roč. 389, s. 871–873. Dostupné online. arXiv astro-ph/0203351. DOI 10.1051/0004-6361:20020668. Bibcode 2002A&A...389..871D. (anglicky)
COLLINDER, Per. On Structural Properties of Open Galactic Clusters and their Spatial Distribution. Catalog of Open Galactic Clusters. S. B1-B46. Annals of the Observatory of Lund [online]. 1931 [cit. 2017-08-14]. Čís. 2, s. B1-B46. Dostupné online. Bibcode 1931AnLun...2....1C. (anglicky)
MELOTTE, P. J. A Catalogue of Star Clusters shown on Franklin-Adams Chart Plates. S. 175. Memoirs of the Royal Astronomical Society [online]. 1915 [cit. 2017-08-14]. Roč. 60, s. 175. Dostupné online. Bibcode 1915MmRAS..60..175M. (anglicky)
SVOLOPOULOS, S. N. A photographic survey of galactic clusters NGC 6531, 6546, 6469, 6544, 7127, 7128. S. 758. Monthly Notices of the Royal Astronomical Society [online]. 1953 [cit. 2017-08-14]. Roč. 113, s. 758. Dostupné online. Bibcode 1953MNRAS.113..758S. (anglicky)

seds.org

spider.seds.org

Revised NGC Data for NGC 6531. Dostupné online. [cit. 2017-08-14].

messier.seds.org

SEDS Messier Objects Database: Messier 21 [online]. [cit. 2017-08-14]. Dostupné online. (anglicky)

u-strasbg.fr

simbad.u-strasbg.fr

SIMBAD Astronomical Database: Results for M 21 [online]. [cit. 2017-08-14]. Dostupné online. (anglicky)

web.archive.org

SEDS.org: Revised NGC Data for NGC 6531 [online]. [cit. 2017-08-14]. Dostupné v archivu pořízeném dne 2015-09-08. (anglicky)

wz.cz

hvezdnouoblohou.wz.cz

Michal Kodriš. Průvodce hvězdnou oblohou: Střelec [online]. [cit. 2017-08-14]. Dostupné online.