(astronomy) A set of celestial coordinates based on the celestial equator as the primary great circle; usually declination and hour angle or sidereal hour angle. Also known as celestial equator system of coordinates; equinoctial system of coordinates.
equatorial system
| Sci-Tech Dictionary: equatorial system |
(′e·kwə′tör·ē·əl ′sis·təm)
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 | celestial equator (astronomy) |
| declination (in astronomy) |
| right ascension (in astronomy) |
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 | Sci-Tech Dictionary. McGraw-Hill Dictionary of Scientific and Technical Terms. Copyright © 2003, 1994, 1989, 1984, 1978, 1976, 1974 by McGraw-Hill Companies, Inc. All rights reserved. Read more |
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Mentioned in
- celestial equator (astronomy)
- declination (in astronomy)
- right ascension (in astronomy)
- hour circle (in astronomy)
- celestial pole (in astrophysics)
- equator (in geography)
- hour angle (in astronomy)
- Astronomical coordinate systems
- equinox (in astrophysics)
- solstice (in astronomy)
- node (in astronomy)
- Polaris (star)
- Celestial navigation (navigation)
- precession of the equinoxes (in astronomy)
