Exploring Celestial Object Characteristics: An In-depth Analysis of Quasars, Stars, and White Dwarfs Using the Sloan Digital Sky Survey (SDSS) Dataset
DOI:
https://doi.org/10.11594/timeinphys.2024.v2i1p1-16Kata Kunci:
Sloan Digital Sky Survey (SDSS), Quasars, Statistical Analysis, Celestial Object Classification, Astronomical DatasetsAbstrak
This research utilizes the Sloan Digital Sky Survey (SDSS) dataset, examining 12,884 observations to explore quasars, stars, and white dwarf objects. Magnitude data and coordinates across five filter bands are analyzed, revealing unique features through statistical methods. The identification of 77,429 quasars with 15 dimensions enhances the dataset. Thorough analyses of stellar and white dwarf classes, coupled with visualization techniques, unveil variable relationships. Residual validation and Gaussian kernel density plots confirm significant class differences. Non-linear regression and a normal distribution mixture model depict complex variable relationships. A parallel coordinates plot aids in interpreting data patterns, while predictive modeling via regression exposes meaningful coefficients. Logistic regression effectively classifies astronomical objects in the SDSS training data. This research contributes to understanding celestial object characteristics, offering valuable insights for astronomers and astrophysicists in analyzing large-scale astronomical datasets.
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Hak Cipta (c) 2024 Ruben Cornelius Siagian, Arip Nurahman, Goldberd Harmuda Duva Sinaga, Reza Ariefka, Pandu Pribadi
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