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