NGC 637

Number of stars per data source

	Reference  128 :   28 stars
	Reference  500 :  176 stars


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
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