According to Johnson et al. (1961), the "color-magnitude diagram shows merely a uniform scatter with no significant tendency to show a cluster main sequence". They conclude that this is not actually a star cluster.[4]
References
^ a bKharchenko, N. V.; et al. (2013), "Global survey of star clusters in the Milky Way. II. The catalogue of basic parameters", Astronomy & Astrophysics, 558: A53, arXiv:1308.5822, Bibcode:2013A&A...558A..53K, doi:10.1051/0004-6361/201322302, S2CID 118548517.
^ a b c dInglis, Mike (2013), Observer's Guide to Star Clusters, Springer Science & Business Media, p. 14, Bibcode:2013ogsc.book.....I, ISBN 978-1461475675
^Johnson, H. L.; et al. (1961), "Galactic clusters as indicators of stellar evolution and galactic structure", Bulletin of the Lowell Observatory, 5 (8): 133–147, Bibcode:1961LowOB...5..133J.
Map showing location of NGC 7686 (Roberto Mura)
External links
Media related to NGC 7686 at Wikimedia Commons
http://seds.org
NGC 7686 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images