略語大辞典 [Opt] 23 AGS artificial guide star 人口基準星. 望遠鏡での自動補正で利用する人工的な星.artificial guide star; a guide star that AOS(adaptive-optics system) in a telescope requires for the measurement of the turbulence-induced wave-front distortion; ref. NOGS(naturally occurring guide star) or NGS(natural-guide 丸善「略語大辞典」JLogosID : 11865214