천문학회보 (The Bulletin of The Korean Astronomical Society)
- 제44권2호
- /
- Pages.67.4-67.4
- /
- 2019
- /
- 1226-2692(pISSN)
Theoretical Extinction Coefficients in ugriz
- Han, Jiwon (Ewha Womans University) ;
- An, Deokkeun (Ewha Womans University) ;
- Lee, Young Sun (Chungnam National University)
- 발행 : 2019.10.14
초록
We present extinction coefficients in the photometric filter system ugriz of the Sloan Digital Sky Survey, over a wide range of stellar properties based on theoretical stellar spectra generated using the ATLAS9 stellar models. Our computed coefficient values are essentially independent of a bulk metallicity or alpha-element abundance of a star, while they are a sensitive function of effective temperature and to a moderate extent of surface gravity of a star.
키워드