IC 2157

Number of stars per data source

	Reference  290 :    8 stars
	Reference  467 :    5 stars
	Reference  758 :    4 stars

References

 290

Chromey F.R.

(1978) Astron. J. 83, 162

UBV photometry of faint blue stars near the galactic anticenter

1978AJ.....83..162C

 467

Wramdemark S.

(1976) Astron. Astrophys. Suppl. 26, 31

Distant early-type stars in some northern Milky Way fields

1976A&AS...26...31W

 758

Philip A.G.D., Chromey F.R., Dubois P.

(1990) Publ. Astron. Soc. Pacific 102, 654

Photometry of the Rubin Losee blue stars at the anticenter

1990PASP..102..654P