Direct electron-temperature measurements for about 50,000 star-forming galaxies from DESI DR2 yield the largest direct-method abundance catalogue ever built, two record-low-metallicity galaxies, and new trends in N/O, Ne/O, S/O and Ar/O.
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Electron temperature relations and the direct N, O, Ne, S and Ar abundances of 49959 star-forming galaxies in DESI Data Release 2
Direct electron-temperature measurements for about 50,000 star-forming galaxies from DESI DR2 yield the largest direct-method abundance catalogue ever built, two record-low-metallicity galaxies, and new trends in N/O, Ne/O, S/O and Ar/O.