The Fisher gAlaxy suRvey cOde (FARO)
The Fisher gAlaxy suRvey cOde (FARO) is a new public Python code that computes the Fisher matrix for galaxy surveys observables. The observables considered are the linear multitracer 3D galaxy power spectrum, the linear convergence power spectrum for weak lensing, and the linear multitracer power sp...
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| Veröffentlicht in: | Journal of cosmology and astroparticle physics 2021-01, Vol.2021 (1), p.21-21 |
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| container_title | Journal of cosmology and astroparticle physics |
| container_volume | 2021 |
| creator | Resco, Miguel Aparicio Maroto, Antonio L. |
| description | The Fisher gAlaxy suRvey cOde (FARO) is a new public Python code that computes the Fisher matrix for galaxy surveys observables. The observables considered are the linear multitracer 3D galaxy power spectrum, the linear convergence power spectrum for weak lensing, and the linear multitracer power spectrum for the correlation between galaxy distribution and convergence. The code allows for tomographic and model-independent analysis in which, for scale-independent growth, the functions of redshift Aa(z)≡σ8(z)ba(z), R(z)≡σ8(z)f(z), L(z)≡Ωmσ8(z)Σ(z) and E(z)≡H(z)/H0, together with the function of scale (k), are taken as free parameters in each redshift and scale bins respectively. In addition, a module for change of variables is provided to project the Fisher matrix on any particular set of cosmological parameters required. The code is built to be fast to compute and user-friendly. As an application example, we forecast the sensitivity of future galaxy surveys like DESI, Euclid, J-PAS and LSST and compare their performance on different redshift and scale ranges. |
| doi_str_mv | 10.1088/1475-7516/2021/01/021 |
| format | Article |
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| source | IOP Publishing Journals; Institute of Physics (IOP) Journals - HEAL-Link |
| subjects | Building codes Convergence Galaxy distribution Matrix methods Parameters Polls & surveys Red shift |
| title | The Fisher gAlaxy suRvey cOde (FARO) |
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