Data accompanying the paper "Trading oxygen for iron II. Oxygen- versus iron-dependent cosmic star formation history" (Chruslinska et al. 2025)

This repository contains the numerical outputs of the calculations (accompanying code MetalCosfr GitHub public release is in prep.) that underpin the results described in the paper. [0] "Trading oxygen for iron II. Oxygen- versus iron-dependent cosmic star formation history"by Chruślińska, M. ; Curti, M. ; Pakmor, R. ; De Cia, A. ; Matthee, J. ; Bhagwat, A. ; Monty, S. (2025)arXiv:2511.15782 These calculations rely on the observation-based framework developed in [1,2], extended and validated against more recent and additional empirical constraints in [0]. This work [0] further applies the [O/Fe]–sSFR relation of galaxies [3] to derive the iron-dependent cosmic star formation history, fSFR(Z_Fe/H, t), alongside its oxygen-based counterpart, fSFR(Z_O/H, t). The theoretical underpinnings of the relation and empirical constraints on the relation are described in [3]. [1] 'Metallicity of stars formed throughout the cosmic history based on the observational properties of star forming galaxies' by Chruślińska, M. and Nelemans, G., MNRAS, 2019 (DOI: 10.1093/mnras/stz2057)https://ui.adsabs.harvard.edu/abs/2019MNRAS.tmp.1974C/abstract [2] "The impact of the FMR and starburst galaxies on the (low-metallicity) cosmic star formation history"by Chruślińska, M., Nelemans, G., Boco, L., Lapi. A, 2021, MNRAS (2021)https://arxiv.org/abs/2109.06187 [3] ' Trading oxygen for iron. I. The [O/Fe]-specific star formation rate relation of galaxies 'by Chruślińska, M., Pakmor, R., Matthee, J. and Matsuno, T., A&A 686, A186 (2024);doi:10.1051/0004-6361/202347602 If you use this data, please cite [0], this Zenodo repository (10.5281/zenodo.18018783) and the relevant papers listed above. _________________________________________________________________________________________Contents: Data filesNumerical outputs allowing to reproduce all the results presented in [0].Each file contains the distribution of the cosmic star formation rate density over "metallicity" (for different metallicity probes, see below) and redshift. Each number in the output file corresponds to stellar mass density [Msun / cMp^3] formed in a given "metallicity" (columns) and redshift (rows) bins.Folders contain outputs obtained under different assumptions (model variations), as discussed in the paper."Metallicity":-for oxygen abundance 12+log(O/H): outputs in FOH_z_dM.dat-for iron abundance 12+log(Fe/H): outputs in FFeH_z_dM.dat -for oxygen to iron abundance ratio [O/Fe]: outputs in OFe_z_dM.dat Python script: get_model_ref.pyContains a helper function that allows you to find the data corresponding to the model variations of interest, as defined in Table C.1 in [0]. It also explains the naming convention.