HEAO 1 A2 Spectra Background

The A2 experiment was flown on the HEAO-1 satellite, between August, 1977 until January 1979. The experiment consisted of six multi-layer multi-anode collimated gas proportional...A2实验（A2 experiment）于1977年8月至1979年1月期间搭载于高能天文观测台1号（High Energy Astronomy Observatory 1, HEAO-1）卫星开展观测工作。该实验由六台多层多阳极准直型气体正比装置组成。