Trumpler 7

Number of stars per data source

	Reference   67 :    3 stars

References

 67
Vogt N., Moffat A.F.J.
(1971) Astron. Astrophys. Suppl. 7, 133
Southern open star clusters I. UBV Hbeta photometry of 15 clusters between galactic longitudes 231 and 256
1971A&AS....7..133V