Forbidden-line density diagnostics do not measure a single nebular density but selectively sample a broad unresolved density PDF, producing a universal hierarchy log ne,obs ≈ 0.3 log n_M + const.
J.et al.Investigating the Drivers of Electron Temperature Variations in H II Regions with Keck-KCWI and VLT-MUSE
1 Pith paper cite this work. Polarity classification is still indexing.
1
Pith paper citing it
fields
astro-ph.GA 1years
2026 1verdicts
CONDITIONAL 1representative citing papers
citing papers explorer
-
There is no single density: star-forming regions and galaxies hold more dense ionized gas than long assumed
Forbidden-line density diagnostics do not measure a single nebular density but selectively sample a broad unresolved density PDF, producing a universal hierarchy log ne,obs ≈ 0.3 log n_M + const.