NGC 457

Number of stars per data source

	Reference    1 :    1 star
	Reference    2 :    1 star
	Reference    6 :    1 star

References

 1
Kakaras G., Straizys V., Sudzius J., Zdanavicius K.
(1968) Bull. Vilnius Obs. 22, 3
Phototelectric photometry of stars in the system UPXYZVS with glass filters. I.
1968VilOB..22....3K
 2
Zdanavicius K., Sudzius J., Sviderskiene Z., Straizys V., Burnasov V., Drazdys R., Bartkevicius A., Kakaras G., Kavaliauskaite G., Jasevicius V.
(1969) Bull. Vilnius Obs. 26, 3
Phototelectric photometry of stars in the system UPXYZVS with glass filters. II.
1969VilOB..26....3Z
 6
Kakaras G.
(1969) Bull. Vilnius Obs. 26, 36
The observations of double stars in the system UPXYZVS
1969VilOB..26...36K