Title: Origin of the λ 4932 Emission in the Spectra of Novæ
Abstract: MESSRS. J. DUFAY AND M. BLOCH1 have recently discussed the presence of a faint emission band at about 4932 A. in the spectra of Nova Herculis (1934) and of Nova Aquilæ (1918), and have suggested that the radiation is to be identified with the forbidden 3P0–1D transition of O (III), the companion of the N1 and N2 lines at 5007 and 4959 A. respectively. This assignment, as was mentioned by Dufay and Bloch, was made by Bowen and Wyse in the spectra of N.G.C. 6572 and 7027, and the line was later observed also in N.G.C. 76622.