NGC 4439
Number of stars per data source
Reference 82 : 3 stars
Reference 119 : 1 star
Reference 473 : 3 stars
References
- 82
- Moffat A.F.J., Vogt N.
- (1973) Astron. Astrophys. Suppl. 10, 135
- Southern open star clusters III. UBV Hbeta photometry of 28 clusters between galactic longitudes 297 and 353
- 1973A&AS...10..135M
- 119
- Deutschman W.A., Davis R.J., Schild R.E.
- (1976) Astrophys. J. Suppl. 30, 97
- The galactic distribution of interstellar absorption as determined from the Celescope catalog of ultraviolet stellar observations and a new catalog of UBV, Hbeta photoelectric observations
- 1976ApJS...30...97D
- 473
- Eggen O.J.
- (1992) Astron. J. 103, 1381
- Photometry of F-K type bright giants and supergiants. I. Intermediate band and Hbeta observations
- 1992AJ....103.1381E