Hogg 16

Number of stars per data source

	Reference  425 :    6 stars
	Reference  999 :    3 stars

References

 425
FitzGerald M.P., Luiken M., Maitzen H.M., Moffat A.F.J.
(1979) Astron. Astrophys. Suppl. 37, 345
Analysis of the results of MK classification of 176 stars in 37 southern open clusters
1979A&AS...37..345F
 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