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Galaxy Morphology

Benne Holwerda


Galaxy morphology is a long-standing subfield of astronomy, moving from visual qualifications to quantitative morphometrics.  This book covers the descriptions developed by astronomers to describe the appearance of galaxies, primarily in optical, ultraviolet and near-infrared wavelengths. These descriptions range from galaxy-wide down to clumps of stars and the phenomena on scales in between. It covers qualitative classification using descriptions of the light distributions, as well as some of the near-future techniques that are expected to play a role as astronomy moves to surveys of millions of galaxies and to depths that are dominated by low-surface-brightness. Each chapter is accompanied by an appropriate Jupyter Notebook Python programming assignment. The book is aimed at the graduate student level for researchers in need to a review of galaxy morphology techniques.

Key Features:

  • Aimed at graduate students or researchers in need to a review of galaxy morphology techniques
  • Presents qualitative and quantitative galaxy morphology classifications
  • Cover near-future techniques expected to play a role for large galaxy surveys
  • Includes Jupyter Notebook workable examples in each chapter

About Editors

Benne Holwerda is an associate professor at the University of Louisville, and is a leading expert in astronomical source catalogues and object characterization. He has worked on several projects that involve galaxy morphology classification and characterization; the Spitzer Survey of Spiral Structure in Galaxies, the Galaxy and Mass Assembly survey and the GHOSTS survey which explore extremes of low surface brightness. He authored the application of galaxy morphometrics on HI images.

Table of Contents

1. Introduction
2. Galaxy Scale
3. Galaxy Sizes
4. Sub-galaxy Scale Elements
5. Visual Classifications
6. Galaxy Morphometrics
7. Low Surface Brightness
8. Kinematics and Morphology
9. Wavelength Dependence
10. Morphology Evolution
11. Future Outlook
12. Acknowledgements


Hardback ISBN: 9780750334976

Ebook ISBN: 9780750334990

DOI: 10.1088/2514-3433/ac2c7d

Publisher: Institute of Physics Publishing

Series: AAS-IOP Astronomy


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