MK system

MK system

See spectral types.

MK system

[¦em‚kā ‚sis·təm]
(astronomy)
A system of classifying stars in which suffixes are added to the designations of the Harvard-Draper sequence to indicate luminosity, ranging from I for supergiants to VI for subdwarfs and white dwarfs. Also known as MKK system; spectral/luminosity classification; Yerkes system.
References in periodicals archive ?
The HUSS MK system now has final approval from California for Volvo Tier 3 IEGR-equipped machines in that state.
The MK system is versatile and applicable over a wide range of machines and machine operating conditions.
Sujoy Guha and Robin Becker, Wintriss Engineering, San Diego, CA and "Characterizing Absorption In Nonwovens," by Andrew Kallmes, MK Systems, Danvers, MA.