Characteristics of He II Proximity ProfilesWei Zheng,David Syphers,Avery Meiksin,Gerard A. Kriss,Donald P. Schneider,Donald G. York,Scott F. AndersonThe Astrophysical Journal(2015)引用 18|浏览43关键词intergalactic medium,quasars: general,ultraviolet: generalAI 理解论文溯源树样例生成溯源树,研究论文发展脉络Chat Paper正在生成论文摘要