The Energy Distribution in the Visible Spectrum
for 27 Class M Giants and Supergiants

V. M. Tereshchenko

Fesenkov Astrophysical Institute, Academy of Sciences of Kazhakhstan, Kamenskoe Plato, Almaty, 480068 Kazhakhstan

Received September 14, 1995

Abstract—The Almaty spectrophotometric catalog is expanded by the addition of 27 stars. The absolute energy
distribution in the visible spectrum ( 3200–7600 Å) is obtained for 16 giants of spectral classes M4 and later,
6 bright giants, and 5 supergiants. The spectral resolution is 50 Å; the relative rms error in the range 3200–
4000Å is 5–7%, while that in the remainder of the spectrum is 2–4%. The data obtained may be used in the
study of many astrophysical problems.

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