"Stellar Chromospheric Activity"
by
Jeffrey C. Hall
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Abstract
1
Introduction
2
Background and Definitions
2.1
What is a chromosphere?
2.2
What is activity?
2.3
What stars have chromospheres?
2.4
Going further
3
The Care and Feeding of a Chromosphere
3.1
Early theory and models of the chromosphere
3.2
Long-term observations of Ca
i
i
H & K
3.3
From ground to space
3.4
Semi-empirical models
3.5
The high resolution chromosphere
3.6
The modern chromosphere
3.7
Going further
4
Chromospheric Activity
4.1
Synoptic observations and surveys of Ca
i
i
H & K
4.2
Measuring chromospheric activity
4.3
The Vaughan–Preston Gap and the evolution of stellar dynamos
4.4
Basal heating of the chromosphere
4.5
Synoptic space-based observations
4.6
Sun-as-a-star observations
4.7
Chromospheric activity and brightness variations
4.8
Flat activity stars and the Maunder Minimum
4.9
Going further
5
A View to a Chromosphere
6
Acknowledgments
References
Figures
