Description of NGC 6981 Messier 72 (also known as M72 or NGC 6981) is a globular cluster in the Aquarius constellation discovered by Pierre Mechain in August 29, 1780.
Charles Messier looked for it on the following October 4 and 5, and included it in his catalog. Both decided that it was a faint nebula not a cluster as is now believed.
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Image Image of the cluster from the Digital Sky Survey
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SEDS data Web Links for this cluster Users comments for this cluster Selected biblio Paper n. 1
Bramich, D. M.; Figuera Jaimes, R.; Giridhar, Sunetra; Arellano Ferro, A. CCD time-series photometry of the globular cluster NGC 6981: variable star census and physical parameter estimates 2011 , MNRAS, Vol. 413, pp. 1275-1294.(NGC 6981 ) Paper n. 2
Dickens, R. J. The colour-magnitude diagram of the globular cluster NGC 6981 1972 , Mon. Not. R. Astr. Soc. 157, 281(NGC 6981 cmd ) Paper n. 3
Shapley, H.; Ritchie, M. Studies based on the colors and magnitudes in stellar clusters. XVIII. The periods and lightcurves of 26 cepheid variables in Messier 72. 1920 , Astrophysical Journal, 52, 232-247(NGC 6981 ) See all items
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