Low-dispersion objective prism spectra from the UK 1.2-m Schmidt telescope

Abstract
The new thin objective prism for the UK 1.2-m Schmidt telescope has a dispersion of 2480 Å/mm at Hγ and 3515 Å/mm at Hβ. The dispersion curve is given; several features in the spectra of late-type stars are resolved and a method of spectral classification is described.

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