spacepy.empiricals.getVampolaOrder¶
- spacepy.empiricals.getVampolaOrder(L)[source]¶
Empirical lookup of power for sin^n pitch angle model from Vampola (1996)
Vampola, A.L. Outer zone energetic electron environment update, Final Report of ESA/ESTEC/WMA/P.O. 151351, ESA-ESTEC, Noordwijk, The Netherlands, 1996.
- Parameters:
- Larraylike or float
- Returns:
- orderarray
coefficient for sin^n model corresponding to McIlwain L (computed for OP77?)
Examples
Apply Vampola pitch angle model at L=[4, 6.6]
>>> from spacepy.empiricals import vampolaPA, getVampolaOrder >>> order = getVampolaOrder([4,6.6]) >>> order array([ 3.095 , 1.6402]) >>> vampolaPA([3000, 3000], alpha=[45, 90], order=order) (array([[ 140.08798878, 192.33572182], [ 409.49143136, 339.57417256]]), [45, 90])