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| Paper: |
HI and Spiral Structure with a New Look at M81 |
| Volume: |
106, The Minnesota Lectures on Extragalactic Neutral Hydrogen |
| Page: |
96 |
| Authors: |
Westpfahl, David J.; Adler, David S. |
| Abstract: |
Introduction; Why Study Spirals?; Results of Descriptive Studies; The History of Theories of Spiral Structure; Current Theories; A New Look at M81; Determination of Pattern Speeds; An Application: The Pattern Speed of M81; Implications of a Shearing Pattern; Material Arms and the Winding Dilemma Revisited; Summary and Speculation |
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