Hogg 22
Number of stars per data source
Reference 82 : 3 stars
Reference 190 : 1 star
Reference 479 : 2 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
- 190
- Klare G., Neckel T.
- (1977) Astron. Astrophys. Suppl. 27, 215
- UBV Hbeta and polarization measurements of 1660 southern OB stars
- 1977A&AS...27..215K
- 479
- Kaltcheva N.T., Georgiev L.N.
- (1992) Monthly Notices Roy. Astron. Soc. 259, 166
- Stromgren and HBeta photometry of OB associations and open clusters - I. Ara OB1
- 1992MNRAS.259..166K