Application of dicyanin to the photography of stellar spectra (1919)
National Bureau of Standards · leaf 16
o be ascribed to titanium oxide. Theidentification will be discussed later in this paper. \Draconis—Spectral Class Ma.—The bands are not so pro-nounced as in a Orionis. A is well shown on the high dispersionplate, but the band having its head at that point is not in evidence. aHerculis—Spectral…
Astronomy · Photography · General Physics
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