Siagian, R.C., Arip Nurahman, Goldberd Harmuda Duva Sinaga, Reza Ariefka and Pandu Pribadi 2024. Exploring Celestial Object Characteristics: An In-depth Analysis of Quasars, Stars, and White Dwarfs Using the Sloan Digital Sky Survey (SDSS) Dataset. TIME in Physics. 2, 1 (Mar. 2024), 1–16.