NGC 3680

Number of stars per data source

	Reference  112 :  108 stars
	Reference  214 :   69 stars

References

 112

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

 214

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