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21 papers · 1 filter
An automated classification approach to ranking photospheric proxies of magnetic energy build-up
Amani Al-Ghraibah, Laura. E. Boucheron, R. T. James McAteer
We study the photospheric magnetic field of ~2000 active regions in solar cycle 23 to search for parameters indicative of energy build-up and subsequent release as a solar flare. W…
25 Years of Self-Organized Criticality: Numerical Detection Methods
R. T. James McAteer, Markus J. Aschwanden, Michaila Dimitropoulou +5
The detection and characterization of self-organized criticality (SOC), in both real and simulated data, has undergone many significant revisions over the past 25 years. The explos…
Does the stellar disc flattening depend on the galaxy type?
A. V. Mosenkov, N. Ya. Sotnikova, V. P. Reshetnikov +2
We analyze the dependence of the stellar disc flatness on the galaxy morphological type using 2D decomposition of galaxies from the reliable subsample of the Edge-on Galaxies in SD…
A New Resource for College Distance Education Astronomy Laboratory Exercises
Nicole P. Vogt, Stephen P. Cook, Amy Smith Muise
This article introduces a set of distance education astronomy laboratory exercises for use by college students and instructors and discuss first usage results. This General Astrono…
An Online Tutor for Astronomy: The GEAS Self-Review Library
Nicole P. Vogt, Amy Smith Muise
We introduce an interactive online resource for use by students and college instructors in introductory astronomy courses. The General Education Astronomy Source (GEAS) online tuto…
Meridional Flow in the Solar Convection Zone II: Helioseismic Inversions of GONG Data
J. Jackiewicz, A. Serebryanskiy, S. Kholikov
Meridional flow is thought to play a very important role in the dynamics of the solar convection zone; however, because of its relatively small amplitude, precisely measuring it po…