Abstract
AN application of Merton and Nicholson' form of the wedge method has been made to the study of the intensity distribution in typical stellar spectra. In the late type spectra (including the sun), which are sufficiently bright at the red end, the energy curves give a marked depression from 0.50–0.67µ—a result not obtained by other observers. As the spectrum of the carbon arc, assumed to radiate as a black body at a temperature of 3750° Abs., is used to remove the colour curve of the plate, a possible cause of this depression, which is common to all stellar spectra that have been observed in the red, would lie in an intensity distribution in the carbon arc differing from that assumed.
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