galaxybox 2.0.3

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GalaxyBox

Features

• Galaxy Merger Trees: Efficient tools for processing and analyzing galaxy merger trees
• Data Management: Streamlined data loading and manipulation for large simulation datasets
• Visualization: Specialized plotting tools for galaxy evolution and merger tree visualization
• Mock Observables: Generate synthetic observations and lightcone catalogs
• EMERGE Integration:Ssupport for EMERGE model data

Installation

Using uv (Recommended)

uv is the fastest Python package manager. Install GalaxyBox with:

uv add galaxybox

Or in a new project:

uv init my-project
cd my-project
uv add galaxybox

From PyPI

pip install galaxybox

From Source

git clone https://github.com/jaoleary/galaxybox.git
cd galaxybox
uv pip install .

Development Installation

For development and contributing, we use uv for dependency management:

git clone https://github.com/jaoleary/galaxybox.git
cd galaxybox
uv sync --group dev

Quick Start

import galaxybox as gb
from galaxybox.modules.trees.emerge import EmergeGalaxyTrees

# Load galaxy merger trees
trees = EmergeGalaxyTrees("/path/to/tree/data")

# Get galaxy catalog at z=0
galaxies = trees.list(z=0, min_mstar=9.0)

# Extract individual merger tree
tree = trees.tree(galaxy_id=12345)

Publications

GalaxyBox has been used in the following:

• EMERGE: Empirical predictions of galaxy merger rates since z~6 Monthly Notices of the Royal Astronomical Society, 2021

• EMERGE: Constraining merging probabilities and timescales of close galaxy pairs Monthly Notices of the Royal Astronomical Society, 2020

• Predictions on the stellar-to-halo mass relation in the dwarf regime using the empirical model for galaxy formation EMERGE Monthly Notices of the Royal Astronomical Society, 2023