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- Virtual Observatory Access (`astropy.vo`)

# Virtual Observatory Access (`astropy.vo`)

## Introduction

The `astropy.vo` subpackage handles simple access for Virtual Observatory (VO) services.

Current services include:

- VO Simple Cone Search
- SAMP (Simple Application Messaging Protocol (`astropy.vo.samp`)

Other third-party Python packages and tools related to `astropy.vo`:

- PyVO provides further functionality to discover and query VO services. Its user guide contains a good introduction to how the VO works.
- Astroquery is an Astropy affiliated package that provides simply access to specific astronomical web services, many of which do not support the VO protocol.
- Simple-Cone-Search-Creator shows how to ingest a catalog into a cone search service and serve it in VO standard format using Python (using CSV files and healpy).