Messier 21 (Czech Wikipedia)

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

Last modified: 03:54:22, 26 October 2025 (UTC)

Ref.Un. Ref.Website

Global rank Czech rank

84adsabs.harvard.edu

14^th place

63^rd place

49^th place

162^nd place

2^nd place

4^th place

163^rd place

436^th place

942^nd place

338^th place

11web.archive.org

1^st place

1^st place

9,893^rd place

154^th place

adsabs.harvard.edu (Global: 14^th place; Czech: 63^rd place)

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)

arxiv.org (Global: 49^th place; Czech: 162^nd place)

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 (Global: 2^nd place; Czech: 4^th place)

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)

seds.org (Global: 942^nd place; Czech: 338^th place)

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 (Global: 163^rd place; Czech: 436^th place)

simbad.u-strasbg.fr

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

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

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

wz.cz (Global: 9,893^rd place; Czech: 154^th place)

hvezdnouoblohou.wz.cz

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