Subsequent observations of the "H" and "K" lines of calcium by Beals (1936) revealed double and asymmetric profiles in the spectra of Epsilon and Zeta Orionis.
As seguintes observacións das liñas "H" e "K" do calcio feitas por Beals (1936) revelaron perfís dobres e asimétricos no espectro de Epsilon e Zeta Orionis.