NGC 1817

Number of stars per data source

	Reference  224 :   52 stars
	Reference  326 :   19 stars
	Reference  430 :  809 stars
	Reference  440 : 1333 stars

224: Balaguer-Nunez L., Tian K.P., Zhao J.L.; (1998) Astron. Astrophys. Suppl. 133, 387; Determination of proper motions and membership of the open clusters NGC 1817 and NGC 1807; 1998A&AS..133..387B
326: Hog E., Fabricius C., Makarov V.V., Urban S., Corbin T., Wycoff G., Bastian U., Schwekendiek P., Wicenec A.; (2000) Astron. Astrophys. 357, L27; The Tycho-2 Catalogue; 2000A&A...355L..27H
430: Balaguer-Nunez L., Jordi C., Enriquez D.G., Zhao J.L.; (2004) Astron. Astrophys. 426, 819; New membership determination and proper motions of NGC 1817. Parametric and non-parametric approach; 2004A&A...426..819N
440: Balaguer-Nunez L., Jordi C., Enriquez D.G., Masana E.; (2004) Astron. Astrophys. 426, 827; uvby-Hbeta CCD photometry of NGC 1817 and NGC 1807; 2004A&A...426..827N