Collinder 228

Number of stars per data source

	Reference   74 :   23 stars
	Reference  104 :    8 stars

References

 74

Forte J.C.

(1978) Astron. J. 83, 1199

The Reddening Law in Carina OB1

1978AJ.....83.1199F

 104

Herbst W.

(1976) Astrophys. J. 208, 923

On the Extinction Law in the Carina Nebula

1976ApJ...208..923H