Galacticus

Benchmark and validation metrics for the Galacticus galaxy formation model. Documentation lives on the wiki.

See the status dashboard for a one-page summary of every metric, or browse by group below.

Dark matter-only subhalos

Generic dark matter-only subhalo benchmarks and validations.

1 metric(s).

Symphony CDM Milky Way

Dark matter-only subhalos calibrated against the Symphony Milky Way zoom-in suite.

Nadler et al. (2023)

3 metric(s).

COZMIC WDM Milky Way

Dark matter-only subhalos in warm dark matter cosmologies, calibrated against the COZMIC suite.

Nadler et al. (2025); An et al. (2025)

12 metric(s).

Decaying dark matter subhalos

Dark matter-only subhalos in two-body decaying dark matter cosmologies.

Nadler & Benson (2025)

6 metric(s).

Idealized subhalo simulations

Idealized subhalo evolution under controlled tidal stripping.

Du et al. (2024)

8 metric(s).

Milky Way model

Full Milky Way galaxy formation model.

1 metric(s).

Convergence tests

Numerical convergence checks of internal Galacticus algorithms.

2 metric(s).

Strong lensing

Subhalo populations relevant to strong gravitational lensing measurements.

1 metric(s).

Baryonic suppression

Suppression of structure growth by baryonic physics.

1 metric(s).

Build metrics

Compilation profiling and other build-time diagnostics.

1 metric(s).