vdB-Hagen 4

Number of stars per data source

	Reference  478 : 8353 stars

References

 478

Carraro G., Costa E.

(2007) Astron. Astrophys. 464, 573

Photometry of the five marginally studied open clusters Collinder 74, Berkeley 27, Haffner 8, NGC 2509, and VdB-Hagen 4

2007A&A...464..573C