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Celestial Coordinate Systems (SkyFrames)

A FrameFrame which is specialised for representing coordinate systems on the celestial sphere is obviously of great importance in astronomy. The SkyFrameSkyFrame is such a Frame. In this section we examine the additional properties and behaviour of a SkyFrame that distinguish it from a basic Frame (§7).

Subsections

- The SkyFrame Model
- Creating a SkyFrame
- Specifying a Particular Celestial Coordinate System
- Attributes which Qualify Celestial Coordinate Systems
- Using Default SkyFrame Attributes
- Formatting Celestial Coordinates
- Reading Formatted Celestial Coordinates
- Representing Offsets from a Specified Sky Position