Annu. Rev. Astron. Astrophys. 1989. 27: 139-59
Copyright © 1989 by . All rights reserved

Reprinted with kind permission from , 4139 El Camino Way, Palo Alto, California, USA

POPULATIONS IN LOCAL GROUP GALAXIES

Paul Hodge

Astronomy Department, University of Washington, Seattle, Washington 98195

Table of Contents

STELLAR POPULATIONS

The Two-Point Diagram

The Population Line

The Population Plane

THE POPULATION BOX

DIAGNOSES FOR LOCAL GROUP GALAXIES

CRITERIA FOR THE PRESENCE OF 15-GYR-OLD STARS

Main Sequence Fitting

Globular Clusters

POPULATIONS IN LOCAL GROUP GALAXIES

M31

M33

M32