![Galáxia espiral NGC 1964](https://divulgacao.iastro.pt/wp-content/uploads/2019/04/2019abr05_1-388x220.jpg)
Spectral synthesis codes with no ionized gas emission produce biased estimates of galactic properties
A novel code, developed by Instituto de Astrofísica e Ciências do Espaço (IA) researchers, shows that previous population synthesis codes, which only account for stellar emission, underestimate galaxy properties like mass or age.
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