NGC 1857

Number of stars per data source

	Reference  190 :   57 stars

References

 190

Babu G.S.D.

(1989) J.Astrophys. Astron. 10, 295

Study of young open clusters as tracers of spiral features in our Galaxy. Paper 4: Czernik 20 (OCL 427)

1989JApA...10..295B