Collinder 228

Number of stars per data source

	Reference   55 :  285 stars
	Reference  293 :  822 stars
	Reference  517 : 1705 stars

References

 55

Massey P., Johnson J.

(1993) Astron. J. 105, 980

Massive stars near Eta Carinae: the stellar content of Tr 14 and Tr 16

1993AJ....105..980M

 293

Carraro G., Patat F.

(2001) Astron. Astrophys. 379, 135

Star clusters in the Carina complex: UBVRI photometry of NGC 3114, Collinder 228 and vdB-Hagen 99

2001A&A...379..135C

 517

Delgado A.J., Alfaro E.J., Yun J.L.

(2007) Astron. Astrophys. 467, 1397

Pre-main sequence stars in open clusters. I. The DAY-I catalogue

2007A&A...467.1397D