Newly spectroscopically confirmed DB white dwarfs

Using a machine learning (ML) method, we mine DB white dwarfs (DBWDs) from the Sloan Digital Sky Survey (SDSS) Data Release (DR) 12 and DR14. The ML method consists of two...本研究采用机器学习（ML）方法，从斯隆数字巡天（SDSS）第12次数据发布（DR12）与第14次数据发布（DR14）中挖掘DB型白矮星（DBWDs）。该机器学习方法包含两个……