NGC 3680

Number of stars per data source

	Reference  376 :   15 stars
	Reference  390 :   94 stars
	Reference  617 :   13 stars
	Reference  621 :   70 stars

376: Mermilliod J.-C., Andersen J., Nordstrom B., Mayor M.; (1995) Astron. Astrophys. Suppl. 299, 53; Red giants in open clusters. IV. NGC 3680 and Ic 4651; 1995A&AS..299...53M
390: Nordstrom B., Andersen J., Andersen M.I.; (1996) Astron. Astrophys. Suppl. 118, 407; Critical tests of stellar evolution in open clusters. I. New photometry and radial velocities for NGC 3680; 1996A&AS..118..407N
617: Mermilliod J.-C., Mayor M., Udry S.; (2008) Astron. Astrophys. 485, 303; Red giants in open clusters. XIV. Mean radial velocities for 1309 stars and 166 open clusters; 2008A&A...485..303M
621: Anthony-Twarog B.J., Deliyannis C.P., Twarog B.A., Croxall K.V., Cummings J.D.; (2009) Astron. J. 138, 1171; Lithium in the Intermediate-Age Open Cluster, NGC 3680; 2009AJ....138.1171A