1. Using Data Lab

Contents:

• 1.1. Introduction
  • 1.1.1. Purpose
  • 1.1.2. Overview of services
  • 1.1.3. Survey datasets
  • 1.1.4. Acknowledgment of Data Lab
• 1.2. Science examples
  • 1.2.1. Star/galaxy/QSO classification
  • 1.2.2. Probe large-scale structure in DECaLS
  • 1.2.3. Discover faint Milky Way dwarf galaxies
  • 1.2.4. Times series analysis of an RR Lyrae star in Hydra II
• 1.3. Web Portal (from April 2025)
  • 1.3.1. Web Portal overview
  • 1.3.2. Data Lab accounts
  • 1.3.3. Data Explorer
  • 1.3.4. Data Lab documentation & help
• 1.4. Web Interfaces (before April 2025)
  • 1.4.1. Creating an Account / Logging-In
  • 1.4.2. Data Discovery tools
  • 1.4.3. Web query interface
  • 1.4.4. Crossmatch Tool
• 1.5. Data Access Interfaces
  • 1.5.1. Catalog Data Access (TAP/SCS)
  • 1.5.2. Simple Image Access (SIA)
  • 1.5.3. File Service
  • 1.5.4. External Data Services
  • 1.5.5. Virtual Storage
• 1.6. Client Interfaces
  • 1.6.1. Auth Client
  • 1.6.2. Query Client
  • 1.6.3. Store Client
  • 1.6.4. Helpers
• 1.7. Service Interfaces
  • 1.7.1. Authorization Manager
  • 1.7.2. Query Manager
  • 1.7.3. Job Manager
  • 1.7.4. Storage Manager
• 1.8. Command-Line Tools
  • 1.8.1. The datalab Command
• 1.9. Install DataLab
  • 1.9.1. Install Data Lab
• 1.10. Jupyter Notebooks & JupyterLab
• 1.11. Jupyter Notebooks Classic
• 1.12. Upload External Data
  • 1.12.1. Upload External Data to Data Lab
• 1.13. Compute Processing
  • 1.13.1. Catalog Crossmatch
  • 1.13.2. Image Cutouts
  • 1.13.3. User-defined Workflows
• 1.14. Guidance on constructing queries
  • 1.14.1. Guidance on constructing queries
  • 1.14.2. Joins on tables in the Data Lab
  • 1.14.3. Sub Queries
  • 1.14.4. Optimizing queries
• 1.15. SQL Gotchas
  • 1.15.1. SQL gotchas
• 1.16. Helpful Resources
  • 1.16.1. Helpful Resources
• 1.17. Known Issues
  • 1.17.1. Known Issues