Contents.
      planet: 6 - Saturn
  satellites: S6 - Titan : 19
total number: 19
        type: absolute
       dates: 1990-1992
 observatory: 248 - Hipparcos

References.
    [1] Hestroffer D., Morando B., Hog E., Kovalevsky J., Lindegren L., and Mignard F. (1998)
    The Hipparcos Solar System Objects Catalogues.
    Astronomy and Astrophysics. Vol. 334. P. 325-336.
    1998A%26A___334__325H
    
    [2] The Hipparcos and Tycho Catalogues. Vol. 1: Introduction and Guide to the Data.
       
Informations.
           relative to: absolute
       reference frame: astrometric
       center of frame: Hipparcos satellite
      epoch of equinox: ICRS/J2000.0
            time scale: TT
             reduction: Hipparcos Catalogue
           coordinates: absolute
      diff. refraction: 
              receptor: photomultiplier tubes
             telescope: Star Mapper System
             observers: the data were analyzed by TDAC (Tycho Data Analysis Consortium)
data included in standard data file: no

Comments.

Format.
  1. Satellite number, N (904 - Titan)
  2. Measurement epoch with respect to JD 2440000.0, epoch
  3. Right ascension with decimals (alpha, deg)
  4. Declination with decimals (delta, deg)
  5. Magnitude B in the Tycho system, MagB
  6. Magnitude V in the Tycho system, MagV
  7. Standard error in right ascension, siga (mas)
  8. Standard error in declination, sigd (mas)
  9. Correlation coefficient between siga and sigd, ro
  
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N    epoch        alpha        delta       MagB  MagV  siga sigd     ro
                   deg          deg                    mas   mas       
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