* This paper is dedicated to my father, William Thomas
Morgan
(1877-19??). You will never know what I owe you.
For a PDF version of the article, click
here.
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.
Table of Contents
INTRODUCTION
- THE MK PROCESS
- MACROSCOPIC PROPERTIES OF THE MK PROCESS
- THE ACT OF SPECTRAL CLASSIFICATION ACCORDING TO THE
MK PROCESS
- FRAGMENTS OF TWO NON-MK SYSTEMS
- TERMINOLOGY FOR WEAK-METALLIC-LINE CLASSIFICATION
SYSTEMS
- AN ALTERNATIVE PROCEDURE IN SPECTRAL
CLASSIFICATION
- SPECTRA SHOWING THE STELLAR-WIND LINE HE I 3888
- FURTHER CLASSIFICATION OF CATEGORIES LIKE THE HE I
3888 "WIND-LINE" STARS
- GENERALITIES CONCERNING THE NATURE OF THE
SUPPLEMENTARY SYSTEM
- SUMMARY
- PENDANT: MORPHOLOGY OF SPECTRAL FORMS
- ACKNOWLEDGEMENTS & REFERENCE
