NGC 637
Number of stars per data source
Reference 128 : 28 stars
Reference 500 : 176 stars
References
- 128
- Lasker B.M., Russel J.N., Jenkner H., Sturch C.R., McLean B.J., Shara M.M.
- (1990) Astron. J. 99, 2019
- The HST guide star catalogue, version 1.0
- 1990AJ.....99.2019L
- 500
- Pietrukowicz P., Olech A., Wisniewski M., Kedzierski P., Mularczyk K., Zloczewski K., Starczewski S., Szaruga K.
- (2006) Acta Astron. 56, 267
- CUriuos Variables Experiment (CURVE). CCD Photometry and Variable Stars in the Field of Open Cluster NGC 637
- 2006AcA....56..267P