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astro-ph.GA2025
Precision Spectroscopy for 1.7 Million Galaxies from SDSS-IV: Improved Spectral Measurements and Catalogs for eBOSS
Owen S. Matthews Acuña, Christy A. Tremonti, Kyle B. Westfall +6
The Sloan Digital Sky Survey IV DR17 Extended Baryon Oscillation Spectroscopic Survey (eBOSS) consists of 2,233,939 high-quality optical galaxy spectra obtained through 2" fibers,…
astro-ph.GA2025
SDSS-IV MaStar: Quantification and Abatement of Interstellar Absorption in the Largest Empirical Stellar Spectral Library
Kate H. R. Rubin, Kyle B. Westfall, Claudia Maraston +6
We assess the impact of CaII 3934,3969 and NaI 5891,5897 absorption arising in the interstellar medium (ISM) on the SDSS-IV MaNGA Stellar Library (MaStar) and produce corrected spe…