Stellar motions along I = 60 - 240 and I = 150-330 inhomogeneous frequency distribution of spectral types

S. Menge de Freitas

Abstract


Applications of the x² test to the frequency distribution of spectral types show a slight predominance of A, F and G stars running approximately along I = 60 - 240 ; along the orthogonal direction, there seems to occur a preponderance of K and M stars.

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DOI: https://doi.org/10.11137/1990_0_69-72

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