astropy/halotools

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Python package for studying large scale structure, cosmology, and galaxy evolution using N-body simulations and halo models

Stars: 120
Forks: 70
Open beginner issues: 1
Indexed issues: 61

Dominant language: Python
License: BSD-3-Clause
Last GitHub push: Aug 17, 2026
Latest indexed: Sep 14, 2026
Contributing guide: No contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed
PR merge metrics: No merged PRs in 30d

Beginner friendly Everything

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Improve wheel-building CI workflow to use dependabot Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

astropy/halotools#1118 · Opened Feb 10, 2025
halotools.test_installation() seems to be broken in some environments Open

bug installation

astropy/halotools#1115 · 1 assignee · Opened Feb 1, 2025
COMP: rewise depedencies for distutils Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

astropy/halotools#1108 · Opened Nov 28, 2024
Tests are shaky in parallel invocation Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

astropy/halotools#1101 · 2 comments · Opened Oct 10, 2024
Clean up package data and MANIFEST Open

astropy/halotools#1096 · 1 comment · 1 assignee · Opened Sep 9, 2024
Issue with Importing positional_marked_npairs_3d from halotools.mock_observables.pair_counters Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

astropy/halotools#1074 · 2 comments · Opened Oct 24, 2023
Tutorial issues Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

astropy/halotools#1071 · 5 comments · Opened Sep 24, 2023
Redshifts of galaxies vs halos Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

astropy/halotools#1070 · 1 comment · Opened Jul 17, 2023
Bug in mean_delta_sigma function for non-periodic-box Open

bug mock-observables

astropy/halotools#1058 · 1 assignee · Opened Feb 16, 2023
Could not build wheels for halotools, which is required to install pyproject.toml-based projects Open

installation

astropy/halotools#1055 · 3 comments · 1 assignee · Opened Dec 7, 2022
Subhalo values not being populated in mock when using SubhaloPhaseSpace Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

astropy/halotools#1030 · 2 comments · Opened Dec 7, 2021
All upid values are -1 when using SubhaloPhaseSpace Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

astropy/halotools#1024 · 1 comment · Opened Sep 7, 2021
Unexplainable NFW sampling discrepancy Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

astropy/halotools#1023 · 11 comments · Opened Sep 6, 2021
Code for wp and tpcf that does weighting and jackknifing? Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

astropy/halotools#1019 · 1 comment · Opened Aug 4, 2021
Very small bias in RR estimate for auto-correlation functions Open

bug

astropy/halotools#1012 · 1 reaction · 1 assignee · Opened Mar 25, 2021
MNT: Rename default branch from master to main Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

astropy/halotools#1009 · Opened Mar 9, 2021
Relax requirement for consistency between halo mass and radius Open

API-change bug empirical-models

astropy/halotools#993 · 5 comments · 1 assignee · Opened Aug 24, 2020
Add SV test of mean_delta_sigma Open

astropy/halotools#982 · 1 assignee · Opened Jan 8, 2020
autocorrelation pair count normalization Open

astropy/halotools#974 · 1 assignee · Opened Jan 7, 2020
1-halo delta sigma has incorrect asymptotic behavior Open

bug mock-observables

astropy/halotools#961 · 1 comment · 1 assignee · Opened Nov 6, 2019
Relax threshold requirement for HOD occupations Open

API-change empirical-models

astropy/halotools#959 · 1 assignee · Opened Oct 28, 2019
Remove non-essential sim_manager features from halotools Open

API-change sim-manager

astropy/halotools#958 · 1 assignee · Opened Oct 28, 2019
weighted angular tpcf? Open

feature request mock-observables

astropy/halotools#946 · 2 comments · 1 assignee · Opened Sep 5, 2019
halotools.test_installation() fails Open

bug installation testing

astropy/halotools#944 · 15 comments · 1 reaction · 1 assignee · Opened Jul 26, 2019
metadata fail the tests Open

question sim-manager

astropy/halotools#935 · 2 comments · 1 assignee · Opened Mar 27, 2019
Add support for weighted wp(rp) calculation Open

feature request mock-observables

astropy/halotools#934 · 1 assignee · Opened Mar 19, 2019
ra_dec_z() improvement/bug Open

bug mock-observables

astropy/halotools#933 · 2 comments · 1 assignee · Opened Feb 21, 2019
bug in parallel implementation of delta_sigma Open

bug mock-observables

astropy/halotools#929 · 1 assignee · Opened Jan 18, 2019
Improve treatment of endpoints of fuzzy_digitize Open

utils

astropy/halotools#923 · 1 assignee · Opened Aug 30, 2018
Implement bin-free NFW profile realization technique Open

empirical-models feature request

astropy/halotools#920 · 1 assignee · Opened Jul 18, 2018
Severe memory leak in `populate_mock()` Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

astropy/halotools#917 · 6 comments · Opened Jul 3, 2018
CacheManager fails with h5py 2.8.0 Open

bug sim-manager

astropy/halotools#912 · 3 comments · 1 assignee · Opened Jun 1, 2018
Importing halotools.mock_observables changes how numpy floating point errors are handled Open

bug mock-observables

astropy/halotools#911 · 1 comment · 1 assignee · Opened May 25, 2018
Review API of new satellite rotations module Open

code-review request utils

astropy/halotools#907 · 1 comment · 2 assignees · Opened May 15, 2018
Add support for `SubhaloOccupation` class Open

empirical-models feature request

astropy/halotools#906 · 1 assignee · Opened May 14, 2018
Modify PBC enforcement so that points on Lbox are wrapped to zero Open

bug mock-observables

astropy/halotools#902 · 1 assignee · Opened Apr 27, 2018
sign_pbc and SubhaloPhaseSpace Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

astropy/halotools#900 · Opened Apr 23, 2018
Document connection between `conditional_abunmatch` and `conditional_abunmatch_bin_based` Open

documentation empirical-models

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

astropy/halotools#894 · Opened Mar 13, 2018
Document the role of sub-grid noise in bin-free CAM Open

documentation empirical-models

astropy/halotools#893 · 1 assignee · Opened Mar 13, 2018
Document how to treat scatter using bin-free CAM Open

documentation empirical-models

Difficulty 5/5 Over a week Newbie friendliness 25/100

astropy/halotools#892 · 1 comment · Opened Mar 12, 2018
Migrate endpoint treatment of bin-free CAM into Cython Open

empirical-models performance-enhancement

astropy/halotools#891 · 1 assignee · Opened Mar 12, 2018
Parallelize bin-free CAM algorithm Open

empirical-models performance-enhancement

astropy/halotools#890 · 1 assignee · Opened Mar 12, 2018
unused pair counting function Open

mock-observables package-maintenance

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

astropy/halotools#881 · 2 comments · Opened Feb 27, 2018
galcat_analysis basic examples ipython notebooks missing numpy include Open

Difficulty 2/5 1-3 hours Newbie friendliness 55/100

astropy/halotools#858 · Opened Dec 7, 2017
cython extensions are compiled to c++ source code. Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

astropy/halotools#828 · 5 comments · Opened Nov 14, 2017
DistributedHaloCatalog Open

astropy/halotools#825 · 4 comments · 1 assignee · Opened Oct 28, 2017
Revisit whether `empirical_models` can be wrapped by `astropy.modeling` Open

empirical-models

astropy/halotools#824 · 1 assignee · Opened Oct 28, 2017
jackknife pair counting weights Open

code-review request documentation mock-observables

Difficulty 5/5 Over a week Newbie friendliness 20/100

astropy/halotools#816 · 2 comments · Opened Oct 12, 2017
pip install failure on MacOS High Sierra 10.13 Open

astropy/halotools#813 · 16 comments · 1 assignee · Opened Oct 2, 2017
Resolve Unicode warnings Open

package-maintenance testing

astropy/halotools#790 · 1 assignee · Opened Jul 9, 2017

astropy/halotools

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