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  • ;Coordinate System ''vs'' Reference Frame ...nce frame'', "celestial coordinates centered on the Sun" is a ''coordinate system''.
    13 KB (2,084 words) - 17:14, 22 April 2019
  • ''Note that in the PDS4 master schema, all classes have capitalized names; attributes never do.'' ...tributes, but may also contain surface-based time measurements, like local solar times.
    17 KB (2,705 words) - 15:29, 13 April 2022
  • ...eroids with the same name as meteorites, and planetary moons with the same names as asteroids. So when identifying observational targets in your PDS data pr The make sure a natural target object (like an asteroid or satellite) is uniquely identified, you should formulat
    20 KB (3,152 words) - 17:23, 6 August 2015
  • This class is used to identify a "coordinate system" in the NAIF SPICE toolkit sense - both a reference frame and a well-define If your coordinate system has a time dependence, this attribute should hold the relevant instantiatio
    29 KB (4,136 words) - 21:19, 17 January 2017
  • ...class for spectral characteristics. Repeat it once for each spectral-type object you have in your observational product. The Spectral Discipline Dictionary ...s. Typically, an observational product will contain only a single spectral object (though it might be a spectral cube). This class is required even in that
    40 KB (6,491 words) - 17:40, 7 August 2020