The ELM Survey South. II. 28 new WD binaries

We present the results from our ongoing spectroscopic survey targeting low-mass white dwarf binaries, focusing on the southern sky. We used a Gaia DR2- and eDR3-based selection...本研究展示了我们正在进行的低质量白矮星双星系统光谱巡天的观测结果，该巡天以南天天区为观测重点。我们采用了基于盖亚数据发布2（Gaia Data Release 2, Gaia DR2）与盖亚早期数据发布3（Gaia Early Data Release 3, Gaia eDR3）的筛选方案……