Ions density in the CGM of low mass galaxy groups

We explore how environment affects the metallicity of the circumgalactic medium (CGM) using 13 low-mass galaxy groups (two to five galaxies) at =0.25 identified near background...本研究探究了环境对星系周介质（circumgalactic medium, CGM）金属丰度的影响，采用13个红移z=0.25处的低质量星系群作为研究样本，每个星系群包含2至5个星系，这些星系群均在背景附近被识别……