LSST-DESC Datasets

This page provides access to prebuilt queries for LSST-DESC production datasets. Browse categories below and click on the "Run Query" button to execute any of the predefined queries.

Cosmological Simulations

Simulated datasets for cosmological analyses including galaxy catalogs and weak lensing maps.

DC2 Galaxy Catalog

Complete galaxy catalog from the LSST DESC Data Challenge 2 (DC2) simulation.

Query Details:

Filters:
  • dataset.dataset_id > 5
  • dataset.owner_type != production
Columns:
  • dataset.name
  • dataset.dataset_id
  • dataset.creation_date
  • dataset.nfiles

Weak Lensing Shear Maps

Weak lensing shear maps derived from the DC2 simulation for various redshift bins.

Query Details:

Filters:
  • dataset.name ~= *shear_map*
  • dataset.owner_type == production
Columns:
  • dataset.name
  • dataset.dataset_id
  • dataset.creation_date
  • dataset.size_gb

Observational Data Products

Processed observational data products from precursor surveys and early LSST observations.

HSC-like Photometry Catalog

Photometric catalog mimicking Hyper Suprime-Cam (HSC) observations.

Query Details:

Filters:
  • dataset.name == hsc_like_photometry
  • dataset.owner_type == production
Columns:
  • dataset.name
  • dataset.dataset_id
  • dataset.nfiles
  • dataset.creation_date

LSST Y1-like Mock Catalog

Mock catalog simulating expected data quality for LSST Year 1.

Query Details:

Filters:
  • dataset.name == lsst_y1_mock
  • dataset.owner_type == production
Columns:
  • dataset.name
  • dataset.dataset_id
  • dataset.nfiles
  • dataset.size_gb