NGC 637

Number of stars per data source

	Reference   69 :   80 stars
	Reference   86 :  619 stars
	Reference  542 : 2421 stars

References

 69
Petry C.E., DeGioia-Eastwood K.
(1994) priv. comm.
New color-magnitude diagrams for NGC 637 and NGC 7245
 86
Phelps R.L., Janes K.A.
(1994) Astrophys. J. Suppl. 90, 31
Young open cluster as probes of the star formation process. I. An atlas of open cluster photometry
1994ApJS...90...31P
 542
Yadav R.K.S., Kumar B., Subramaniam A., Sagar R., Mathew B.
(2008) Mon. Not. R. Astron. Soc. 390, 985
Optical and near-infrared photometric study of the open cluster NGC 637 and 957
2008MNRAS.390..985Y