Ruprecht 47

Number of stars per data source

	Reference  351 :    1 star
	Reference  434 :   10 stars

References

 351

Reed B.C.

(1990) Astron. J. 100, 737

UBV photometry of OB field stars at l=250

1990AJ....100..737R

 434

Vogt N., Moffat A.F.J.

(1972) Astron. Astrophys. Suppl. 7, 133

Southern open clusters I. UBV and Hbeta photometry of 15 clusters between galactic longitudes 231 and 256

1972A&AS....7..133V