NGC 457
Number of stars per data source
Reference 1 : 936 stars
Reference 2 : 99 stars
Reference 6 : 160 stars
References
- 1
- Moffat A.F.J., Vogt N.
- (1974) Veroeff. Astron. Inst. Bochum no 2
- Photographische UBV-helligkeiten in 14 jungen Sternhaufen der nordlichen Milchstrasse
- 1974VeBoc...2....1M
- 2
- Hoag A.A., Johnson H.L., Iriarte B., Mitchell R.I., Hallam K.L., Sharpless S.
- (1961) Publ. Us. Nav. Obs. XVII part VII, 347
- Photometry of stars in galactic cluster fields
-
- 6
- Jones D.O.M., Hoag A.A.
- (1968) Publ. Astron. Soc. Pacific 80, 531
- Photographic photometry of stars in NGC 457
- 1968PASP...80..531J