Collinder 69

Number of stars per data source

	Reference  225 :   99 stars
	Reference  266 :   72 stars

References

 225

Duerr R., Imhoff C.L., Lada C.J.

(1982) Astrophys. J. 261, 135

Star formation in the Lambda Orionis region. I. The distribution of young objects

1982ApJ...261..135D

 266

Dolan C.J., Mathieu R.D.

(1999) Astron. J. 118, 2409

A WIYN lithium survey for young stars in the lambda Orionis star-forming region

1999AJ....118.2409D