Original paper: agupubs.onlinelibrary.wiley.com/doi/full/10.1002/2014JA020353 . Journal of Geophysical Research: Space Physics119,7074–7087. DOI:10.1002/2014JA020353 . Byline verifies Peter H. Yoon. Cited introduction and distribution conventions: suprathermal tails, empirical kappa distributions and distinction between a speed parameter and kinetic temperature. The moment-convergence check in the wiki is an independent power-counting calculation.