NGC 7142

Number of stars per data source

	Reference  373 :   20 stars
	Reference  578 :    6 stars
	Reference 1341 :   25 stars
	Reference 1385 :    2 stars

373: van den Bergh S., Heeringa R.; (1970) Astron. Astrophys. 9, 209; The old open cluster NGC 7142; 1970A&A.....9..209V
578: Jennens P.A., Helfer H.L.; (1975) Monthly Notices Roy. Astron. Soc. 172, 681; Photometric metal abundances for twenty clusters; 1975MNRAS.172..681J
1341: Hoag A.A., Johnson H.L., Iriarte B., Mitchell R.I., Hallam K.L., Sharpless S.; (1961) Publ. US. Nav. Obs. 17, 343; Photometry of stars in galactic cluster fields; 1961PUSNO..17..343H
1385: Eggen O.J.; (1968) Royal Obs. Bull. No. 137; Three-colour photmetry of 4000 northern stars; 1968RGOB..137....1E