King 9

Number of stars per data source

	Reference  488 :  897 stars
	Reference  549 : 5727 stars

References

 488
Subramaniam A., Bhatt B.C.
(2007) Mon. Not. R. Astron. Soc. 377, 829
Photometric study of distant open clusters in the second quadrant: NGC 7245, King 9, King 13 and IC 166
2007MNRAS.377..829S
 549
Janes K.A., Hoq S.
(2011) Astron. J. 141, 92
A Quantitative Analysis of Distant Open Clusters
2011AJ....141...92J