The star is a supergiant (luminosity class 0,1, la, lb, see below)
Dwarf or main sequence star (luminosity class V, see below)
Giant (luminosity class III, see below)
Subdwarf (luminosity class VI, see below and 'n' above)
w, wd, D
White dwarf (luminosity class VII, see below and 'n' above)
Examples of the use of these symbols
They have very strong ZrO bands in their spectra, and the more usual TiO bands
are weak or absent. The subdivision of these classes has two components. The
Copyright © 1995 IOP Publishing Ltd.
I, la, lab, lb
Supergiant (class 0 is sometimes used for truly exceptionally
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