NGC 457

Number of stars per data source

	Reference    1 :    4 stars
	Reference    4 :   34 stars
	Reference    6 :   49 stars
	Reference   15 :  229 stars
	Reference   33 :    2 stars
	Reference  150 :   69 stars

References

 1

Egret D.

(1986) Private Communication

Coordinates from SIMBAD (mainly SAO)

 4

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

de Vegt C.

(1966) Astr. Abh. Hamburg Sternw. Bergedorf VIII no 2

Absolute Eigenbewegungen und Raumgeschwindigkeiten der galaktischen Sternhaufen NGC 457, NGC 1502 und IC 1805

 15

Moffat A.F.J., Vogt N.

(1974) Veroeff. Astr. Inst. Univ. Bochum no 2

Photographische UBV-Helligkeiten in 14 jungen Sternhaufen der nordlichen Milchstrasse

 33

Egret D.

(1986) Private communication

Coordinates from SIMBAD (other than SAO)

 150

Evstigneeva K.M., Shokin Yu.A., Yuferev A.O.

(1991) Trudy Gos. Astr. Inst. Shternberga 62, 234

Precise positions of reference stars in opn clusters NGC 457 and NGC 581