The Origin of Celestial Coordinates

@inproceedings{Murray1990TheOO,
  title={The Origin of Celestial Coordinates},
  author={Cherry A. Murray},
  year={1990}
}
In 1978, Guinot proposed that, for studies of Earth rotation, the zero point of the apparent “right ascension” coordinate on the true equator should be so chosen that the rate of change of its hour angle is exactly proportional to the inertial rate of rotation of the Earth. It has been subsequently suggested that this concept of the “non-rotating origin” supersede the equinox quite generally as the origin of celestial coordinates. Since this proposal was first put forward, there has been much… CONTINUE READING

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