Skip to main content
Ctrl+K
LSDB - Home LSDB - Home

Using LSDB

  • Home page
  • Getting Started
  • Tutorials
    • 1. Catalogs
      • The Catalog Object
      • Lazy Operations in LSDB
      • Column filtering (e.g. columns=)
      • Region selection filtering (e.g. search_filter)
      • Row filtering (e.g. .query)
      • Single row selection
      • Custom Structured Search
    • 2. Analyzing Catalogs
      • Setting up a Dask Client
      • Margins
      • Crossmatching catalogs
      • Applying a function (e.g. map_partitions)
      • Working with TimeSeries
      • Plotting results
      • Exporting results (e.g. write_catalog)
    • 3. Nested data manipulation
      • NestedFrame
      • Exploding Lightcurves to flat Source Tables
    • 4. HATS creation and reading
      • Import catalogs
      • Manual catalog verification
    • 5. Performance Tips
      • Index tables
      • Dask cluster configuration
      • Performance testing
      • Joining catalogs
      • Scaling Workflows
    • 6. Working with Rubin Data
      • Accessing Rubin Data Preview 1
      • Intro to Rubin Catalog Operations
      • Accessing Rubin Data Preview 1 photo-z
      • Cross-matching with Variable Star Index catalog
      • Visualizing Periodic Lightcurves
    • 7. Science Examples
      • Cross-match ZTF BTS and NGC
      • Import and cross-match DES and Gaia
      • Get a list of light-curves from ZTF and PS1
      • Cross-match Rubin DP1 and Gaia DR3 with epoch propagation
      • Search for Supernovae in ZTF alerts
    • 8. Debugging
      • Dask Messages Guide
  • Data Access
    • 1. data.lsdb.io
    • 2. External Data Centers
    • 3. HATS catalogs on Hugging Face
    • 4. Finding HATS Catalogs with VO
    • 5. HATS Catalog Structure
    • 6. Access with http/cloud
    • 7. Access with TAP
    • 8. Server-side filtering
  • API Reference
    • Catalog
      • Catalog Types
        • Catalog
        • MarginCatalog
        • MapCatalog
      • Properties
        • hc_structure
        • dtypes
        • columns
        • nested_columns
        • all_columns
        • original_schema
        • margin
      • Inspection Methods
        • get_healpix_pixels
        • get_ordered_healpix_pixels
        • aggregate_column_statistics
        • per_pixel_statistics
        • estimate_size
        • partitions
        • npartitions
        • plot_pixels
        • plot_coverage
        • plot_points
        • __len__
      • Structured Search
        • ConeSearch
        • BoxSearch
        • PolygonSearch
        • OrderSearch
        • PixelSearch
        • MOCSearch
        • IndexSearch
        • cone_search
        • box_search
        • polygon_search
        • id_search
        • order_search
        • pixel_search
        • moc_search
        • search
      • Filtering Methods
        • iloc
        • loc
        • query
        • rename
        • head
        • tail
        • sample
        • random_sample
        • __getitem__
      • Dataframe Methods
        • map_rows
        • map_partitions
        • write_catalog
        • compute
        • to_delayed
        • get_partition
        • get_partition_index
        • prune_empty_partitions
        • to_dask_dataframe
      • Inter-catalog Methods
        • crossmatch
        • crossmatch_nested
        • concat
        • merge_map
        • merge
        • merge_asof
        • join
        • join_nested
        • nest_lists
      • Catalog Streaming
        • CatalogStream
        • InfiniteStream
    • IO
      • open_catalog
      • show_versions
      • from_dataframe
      • from_astropy
      • generate_catalog
      • to_hats
      • to_collection
      • to_association

Project

  • About & Citation
  • Contact Us / Getting Help
  • Contribution Guide
  • .rst

Catalog

Catalog#

  • Catalog Types
    • Catalog
    • MarginCatalog
    • MapCatalog
  • Properties
    • hc_structure
    • dtypes
    • columns
    • nested_columns
    • all_columns
    • original_schema
    • margin
  • Inspection Methods
    • get_healpix_pixels
    • get_ordered_healpix_pixels
    • aggregate_column_statistics
    • per_pixel_statistics
    • estimate_size
    • partitions
    • npartitions
    • plot_pixels
    • plot_coverage
    • plot_points
    • __len__
  • Structured Search
    • ConeSearch
    • BoxSearch
    • PolygonSearch
    • OrderSearch
    • PixelSearch
    • MOCSearch
    • IndexSearch
    • cone_search
    • box_search
    • polygon_search
    • id_search
    • order_search
    • pixel_search
    • moc_search
    • search
  • Filtering Methods
    • iloc
    • loc
    • query
    • rename
    • head
    • tail
    • sample
    • random_sample
    • __getitem__
  • Dataframe Methods
    • map_rows
    • map_partitions
    • write_catalog
    • compute
    • to_delayed
    • get_partition
    • get_partition_index
    • prune_empty_partitions
    • to_dask_dataframe
  • Inter-catalog Methods
    • crossmatch
    • crossmatch_nested
    • concat
    • merge_map
    • merge
    • merge_asof
    • join
    • join_nested
    • nest_lists
  • Catalog Streaming
    • CatalogStream
    • InfiniteStream

previous

API Reference

next

Catalog Types

By LINCC Frameworks

© Copyright 2026, LINCC Frameworks.