NGC 663
Number of stars per data source
Reference 86 : 3000 stars
Reference 290 : 572 stars
Reference 438 : 2319 stars
References
- 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
- 290
- Pigulski A., Kopacki G., Kolaczkowski Z.
- (2001) Astron. Astrophys. 376, 144
- The young open cluster NGC 663 and its Be stars
- 2001A&A...376..144P
- 438
- Pandey A.K., Upadhyay K., Ogura K., Sagar R., Mohan V., Mito H., Bhatt H.C., Bhatt B.C.
- (2005) Mon. Not. R. Astron. Soc. 358, 1290
- Stellar contents of two young open clusters: NGC 663 and 654
- 2005MNRAS.358.1290P