vdB-Hagen 99

Number of stars per data source

	Reference  308 :   12 stars
	Reference  999 :   17 stars

References

 308
Landolt A.U., Perry C.L., Levato O.H., Malaroda S.M.
(1990) Astron. J. 100, 695
Multicolor photometric and spectroscopic observations of the van den Bergh and Hagen cluster no 99
1990AJ....100..695L
 999
Houk N., Cowley A.P., Smith-Moore M.
University of Michigan (Ann Arbor) Vol 1 (1975), Vol 2 (1978), Vol 3 (1982), Vol 4 (1988), Vol 5 (1999)
The University of Michigan Catalogue of two-dimensional Spectral Types for the HD stars
1975mctd.book.....H