Low-metallicity HII regions and galaxies
收藏B2FIND2026-03-19 收录
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Our aims are to estimate the validity of empirical methods, such as R23, R23-P, log([NII]/H{alpha}) (N2), log[([OIII]/H{beta})/([NII]/H{alpha}] (O3N2), and log([SII]/H{alpha})...
本研究旨在评估R23、R23-P、log([NII]/Hα)（简称N2）、log[([OIII]/Hβ)/([NII]/Hα)]（简称O3N2）以及log([SII]/Hα)等经验方法的有效性……
