* This paper is dedicated to my father, William Thomas Morgan (1877-19??). You will never know what I owe you.

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THE MK SYSTEM AND THE MK PROCESS

W.W. Morgan*

Yerkes Observatory
University of Chicago

At some point one has to pass from
explanation to mere description.

L. WITTGENSTEIN, On Certainty


Abstract. A methodology is described that permits the development of new spectral classification systems that would supplement the MK System by making possible accurate classification of Population II stars, and other eccentric categories of stellar spectra.


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