Impact of basic angle variations on the parallax zero point for a scanning astrometric satellite
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DOI: 10.1051/0004-6361/201730781
Abstract: Context. Determination of absolute parallaxes by means of a scanning astrometric satellite such as Hipparcos or Gaia relies on the short-term stability of the so-called basic angle between the two viewing directions. Uncalibrated variations of… read more here.
Keywords: angle; basic angle; astrometric satellite; angle variations ... See more keywords