Proximate damped Ly{alpha} systems in SDSS-DR5
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Using the Sloan Digital Sky Survey Data Release 5 (SDSS-DR5), we survey proximate damped Ly{alpha} systems (PDLAs): absorption-line systems with HI column density...
我们利用斯隆数字巡天第五次数据发布(SDSS-DR5),对近邻阻尼莱曼α系统(proximate damped Lyα systems, PDLAs)开展巡天观测,此类系统为拥有中性氢(HI)柱密度的吸收线系统……



