Circumgalactic Ly{alpha} Nebulae at Cosmic Noon

Circumgalactic Ly{alpha} nebulae are gaseous halos around galaxies exhibiting luminous extended Ly{alpha} emission. This work investigates Ly{alpha} nebulae from deep imaging of...星系周莱曼α星云（Circumgalactic Lyα Nebulae）是环绕星系的气态晕结构，展现出明亮的延展莱曼α辐射。本研究通过对……的深度成像，对莱曼α星云展开了研究。