Mass of Open Cluster NGC 7789

Details Mass of Open Cluster NGC 7789 Mass of Open Cluster NGC 7789

Feb 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009chphl..26b9701w&link_type=abstract

Chinese Physics Letters, Volume 26, Issue 2, pp. 029701 (2009).

Physics

Scientific paper

Mass of open cluster NGC 7789 in the Galaxy is determined by three methods: the photometric method based on mass-luminosity relations of stars in the cluster Mpho = 7712.5Modot; the dynamical method based on virial theorem Mvir = 6996.1Modot; and the tidal radius method based on the interaction between the cluster and the Galaxy Mtid = 5152.5Modot. The mean mass of this cluster is estimated to be Mc = 6620.4 ± 762.5Modot.

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