3.2 Space-Time Coordinate Region Specification

The Space-Time Coordinate region specification is the prefered way of representing sky coverage in the Virtual Observatory framework. It is an International Virtual Observatory Alliance recommendation and a soon to be standard.

STC is an XML document format with a proper XSD defined all here.

Example

Here is a simple example of two interesecting circles in STC representation.

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• 3. Specifications
• 3.1 Simple Region
• 3.2 STC Region