NGC 663

Number of measures per data source

	Reference  311 :   14 measures
	Reference  340 :   12 measures
	Reference  617 :   49 measures

311: Liu T., Janes K.A., Bania T.M.; (1989) Astron. J. 98, 626; Radial-velocity measurements in 20 young open clusters; 1989AJ.....98..626L
340: Liu T., Janes K.A., Bania T.M.; (1991) Astron. J. 102, 1103; More radial-velocity measurements in young open clusters; 1991AJ....102.1103L
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