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@LSSTDESC LSST Dark Energy Science Collaboration (DESC)

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    482 repositories

    • NaMaster

      Public
      A unified pseudo-Cl framework
      C
      •
      BSD 3-Clause "New" or "Revised" License
      •26•69•15•4•Updated Aug 3, 2026Aug 3, 2026

    • sn_tools

      Public
      Python
      •
      BSD 3-Clause "New" or "Revised" License
      •0•0•0•1•Updated Aug 3, 2026Aug 3, 2026

    • sn_simulation

      Public
      Python
      •
      BSD 3-Clause "New" or "Revised" License
      •1•0•0•1•Updated Aug 3, 2026Aug 3, 2026

    • sn_pipe

      Public
      Jupyter Notebook
      •
      BSD 3-Clause "New" or "Revised" License
      •2•3•3•1•Updated Aug 3, 2026Aug 3, 2026

    • SkySim5000_IA_infusion

      Public
      Repo to store code and documentation for the IA infusion
      Jupyter Notebook
      •
      MIT License
      •1•3•3•0•Updated Aug 3, 2026Aug 3, 2026

    • td_env

      Public
      Sets up td_env at NERSC and deploys docker images to dockerhub
      Shell
      •
      BSD 3-Clause "New" or "Revised" License
      •1•3•9•0•Updated Aug 2, 2026Aug 2, 2026

    • firecrown

      Public
      DESC Cosmology Likelihood Framework
      pythonsamplerlikelihood-functions
      pythonsamplerlikelihood-functionscobayacosmosisnumcosmo
      Python
      •
      BSD 3-Clause "New" or "Revised" License
      •12•32•17•5•Updated Aug 1, 2026Aug 1, 2026

    • imSim

      Public
      GalSim based Rubin Observatory image simulation package
      pythonsimulationastronomy
      pythonsimulationastronomycosmologydesclsstgalsimimsim
      Python
      •
      BSD 3-Clause "New" or "Revised" License
      •15•42•46•4•Updated Aug 1, 2026Aug 1, 2026

    • seacliff

      Public
      data-driven monte carlo simulations of Rubin observations via the GalSim config framework
      Python
      •
      BSD 3-Clause "New" or "Revised" License
      •1•5•1•0•Updated Aug 1, 2026Aug 1, 2026

    • desc-python

      Public
      DESC python environment
      Shell
      •
      BSD 3-Clause "New" or "Revised" License
      •2•7•11•3•Updated Aug 1, 2026Aug 1, 2026

    • desc-cosmology-env

      Public
      DESC Cosmology Conda Environment
      Shell
      •
      BSD 3-Clause "New" or "Revised" License
      •0•0•1•0•Updated Aug 1, 2026Aug 1, 2026

    • healsparse

      Public
      Sparse representation of HEALPix maps in Python
      Python
      •
      Other
      •8•15•11•2•Updated Jul 31, 2026Jul 31, 2026

    • DifferentialCR

      Public
      Testing playground for adding differential chromatic refraction (DCR) affects to the metrics analysis framework (MAF)
      Jupyter Notebook
      •0•0•0•0•Updated Jul 31, 2026Jul 31, 2026

    • augur

      Public
      DESC forecasting and inference validation tool
      Python
      •
      MIT License
      •4•4•18•3•Updated Jul 31, 2026Jul 31, 2026

    • fisherA2Z

      Public
      A Fisher Forecast code for LSST 3x2pt
      Python
      •
      MIT License
      •1•0•0•0•Updated Jul 30, 2026Jul 30, 2026

    • CLMM

      Public
      A Python library for performing galaxy cluster mass reconstruction from weak lensing observables
      Python
      •
      BSD 3-Clause "New" or "Revised" License
      •21•32•59•4•Updated Jul 30, 2026Jul 30, 2026

    • pz_data_challenge

      Public
      Package for running the PZ data challenge
      Python
      •18•2•1•2•Updated Jul 30, 2026Jul 30, 2026

    • TXPipe

      Public
      Pipeline elements for 3x2pt analysis (shear-shear, shear-density, density-density) for DC2
      Jupyter Notebook
      •
      BSD 3-Clause "New" or "Revised" License
      •11•23•32•13•Updated Jul 29, 2026Jul 29, 2026

    • Smokescreen

      Public
      A library of methods to mitigate experimenter bias in the LSST DESC cosmology analysis
      cosmologydesclikelihood
      cosmologydesclikelihoodencryption-decryptionblindingtwo-point-function
      Jupyter Notebook
      •
      BSD 3-Clause "New" or "Revised" License
      •4•5•4•0•Updated Jul 29, 2026Jul 29, 2026

    • dsf

      Public
      LSST DESC DeltaSigma Forecasts
      statisticsinferencefisher
      statisticsinferencefisherforecastingcovariance-matrixweak-lensingggl
      Python
      •
      MIT License
      •1•0•7•3•Updated Jul 28, 2026Jul 28, 2026

    • CCL

      Public
      DESC Core Cosmology Library: cosmology routines with validated numerical accuracy
      C
      •
      BSD 3-Clause "New" or "Revised" License
      •84•159•71•14•Updated Jul 28, 2026Jul 28, 2026

    • sl_forecast

      Public
      SL forecast modules to be called from Firecrown
      Makefile
      •
      MIT License
      •1•1•0•1•Updated Jul 27, 2026Jul 27, 2026

    • ceci

      Public
      Experimental pipeline prototype software
      Python
      •
      BSD 3-Clause "New" or "Revised" License
      •11•13•6•3•Updated Jul 27, 2026Jul 27, 2026

    • FASTDB

      Public
      Development of the Fast Access to Survey Transients Database (FASTDB)
      Python
      •
      Other
      •6•3•31•6•Updated Jul 24, 2026Jul 24, 2026

    • CLPipeline

      Public
      Python
      •
      BSD 3-Clause "New" or "Revised" License
      •0•0•10•1•Updated Jul 24, 2026Jul 24, 2026

    • spesn

      Public
      Saturation Point Extraction for SuperNovae
      Jupyter Notebook
      •
      GNU General Public License v3.0
      •1•0•0•0•Updated Jul 24, 2026Jul 24, 2026

    • CL-SBI

      Public
      Projects using Simulation Based Inference for CL pipeline pieces
      Jupyter Notebook
      •
      MIT License
      •1•4•6•0•Updated Jul 23, 2026Jul 23, 2026

    • DP2_known_clusters

      Public
      Gathering DP2 Known Cluster Catalogs & Samples
      0•0•0•0•Updated Jul 23, 2026Jul 23, 2026

    • rail_pzflow

      Public
      Rail algorithms that depend on PZFlow
      Python
      •
      MIT License
      •0•0•1•0•Updated Jul 23, 2026Jul 23, 2026

    • minimal_mcmc

      Public
      Set-ups for minimal working MCMC examples for forecasting purposes.
      Python
      •0•4•2•0•Updated Jul 23, 2026Jul 23, 2026
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