Trumpler 37
Number of stars per data source
Reference 1 : 3 stars
Reference 1 : 1 star
Reference 3 : 1 star
References
- 1
- Stromgren B., Perry C.L.
- (1965) Astron. J. 71, 709
- Institute for Advanced Study, Princeton, N. J. second version, unpublished Crawford D.L., Barnes J.V., Faure B.Q., Golson J.C. Photoelectric Hbeta photometry for 1217 stars brighter than V = 6.5 mag
- 1965AJ.....71..709
- 3
- Crawford D.L., Barnes J.V.
- (1969) Astron. J. 74, 407
- Four-color and Hbeta photometry of open clusters II. Coma and Ursa Major
- 1969AJ.....74..407C