NGC 6940 (Swedish Wikipedia)

Analysis of information sources in references of the Wikipedia article "NGC 6940" in Swedish language version.

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aanda.org

van den Berg, M.; Verbunt, F. (15 augusti 2001). ”An optical study of X-ray sources in the old open clusters NGC 752 and NGC 6940”. Astronomy & Astrophysics 375 (2): sid. 387–396. doi:10.1051/0004-6361:20010767. https://www.aanda.org/articles/aa/full/2001/32/aah2826/aah2826.html. Läst 18 juli 2017.

arxiv.org

Böcek Topcu, G.; Afşar, M.; Sneden, C. (21 november 2016). ”The chemical compositions and evolutionary status of red giants in the open cluster NGC 6940”. Monthly Notices of the Royal Astronomical Society 463 (1): sid. 580–597. doi:10.1093/mnras/stw1974. https://arxiv.org/abs/1411.7608.

books.google.com

Rhemann, Gerald; Crossen, Craig (2004). Sky Vistas Astronomy for Binoculars and Richest-Field Telescopes. Vienna: Springer Vienna. sid. 64. ISBN 978-3709106266. https://books.google.com/books?id=3vELBwAAQBAJ&q=NGC+6940&pg=PA64. Läst 18 juli 2017

doi.org

dx.doi.org

Böcek Topcu, G.; Afşar, M.; Sneden, C. (21 november 2016). ”The chemical compositions and evolutionary status of red giants in the open cluster NGC 6940”. Monthly Notices of the Royal Astronomical Society 463 (1): sid. 580–597. doi:10.1093/mnras/stw1974. https://arxiv.org/abs/1411.7608.
Rose, Michael B.; Hintz, Eric G. (November 2007). ”A Search for Low-Amplitude Variability in Six Open Clusters Using the Robust Median Statistic”. The Astronomical Journal 134 (5): sid. 2067–2078. doi:10.1086/522963.
van den Berg, M.; Verbunt, F. (15 augusti 2001). ”An optical study of X-ray sources in the old open clusters NGC 752 and NGC 6940”. Astronomy & Astrophysics 375 (2): sid. 387–396. doi:10.1051/0004-6361:20010767. https://www.aanda.org/articles/aa/full/2001/32/aah2826/aah2826.html. Läst 18 juli 2017.

harvard.edu

adsabs.harvard.edu

Belloni, T.; Tagliaferri, G. (Oktober 1997). ”Soft X-ray emission from intermediate-age open clusters: NGC 6940.”. Astronomy and Astrophysics 326: sid. 608–613. http://adsabs.harvard.edu/cgi-bin/nph-bib_query?db_key=AST&bibcode=1997A%26A...326..608B. Läst 18 juli 2017.

univie.ac.at

WEBDA: NGC 6940