Short and Zero spacings

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Short and Zero spacings

Subsections

- In a nutshell
- Principle
- Algorithms to merge single-dish and interferometer information
  - Hybridization technique (“feathering”)
  - Pseudo-visibility technique
    - General description
    - Single-dish vs interferometer weight
  - Comparison
- Hybridization technique and ALMA
- The Zero spacing: an important subset
- Short Spacings in practice: command UV_SHORT
- Practical considerations
  - When are short-spacing information needed?
  - How to optimize single-dish observations?