 The ideas were controversial when originally proposed; the editors of the Astrophysical Journal included a note in one of the papers stating that they could neither find errors within the analysis nor endorse the analysis.Subsequently, Tifft and Cocke put forward a theory to try to explain the quantization.Tifft's results were supported by Martin Croasdale, who claimed the effect to be statistically significant and the same over the whole sky, and later Napier and Guthrie.