The KMOS3D Survey: Investigating the Origin of the Elevated Electron Densities in Star-forming Galaxies at 1 ≲ z ≲ 3

• Published in: The Astrophysical Journal
• Main Authors: Davies, Rebecca, Forster Schreiber, N.M., Genzel, R, Shimizu, T T, Davies, Roger L, Schruba, Andreas, Tacconi, L J, Ubler, Hannah, Wisnioski, Emily, Wuyts, Stijn, Fossati, M., Mendel, Trevor
• Format: Article in Journal/Newspaper
• Language: English
• Published: IOP Publishing 2023
• Subjects: Galaxy evolution; High-redshift galaxies; Interstellar medium; Lambda; sami
• Online Access: http://hdl.handle.net/1885/287866; https://doi.org/10.3847/1538-4357/abd551; https://openresearch-repository.anu.edu.au/bitstream/1885/287866/3/Davies_2021_ApJ_909_78.pdf.jpg

We investigate what drives the redshift evolution of the typical electron density (n(e)) in star-forming galaxies, using a sample of 140 galaxies drawn primarily from KMOS3D (0.6 < z < 2.6) and 471 galaxies from SAMI (z < 0.113). We select galaxies that do not show evidence of active galact...