NGC 2168

Number of stars per data source

	Reference  307 :    1 star
	Reference  345 :    1 star
	Reference  361 :    1 star

References

 307
Westin T.N.G.
(1982) Astron. Astrophys. Suppl. 49, 561
Four-color and Hbeta photometry for O-A0 type stars in three regions near the galactic equator
1982A&AS...49..561W
 345
Olsen E.H.
(1983) Astron. Astrophys. Suppl. 54, 55
Four-colour ubvy and Hbeta photometry of A5 to G0 stars brighter than 8.3m
1983A&AS...54...55O
 361
Schmidt E.G.
(1984) Astrophys. J. Suppl. 55, 455
Yellow giants in young clusters. I. Photometric observations
1984ApJS...55..455S