Contents.
      planet: 9 - Pluto
  satellites: 1 - P1 Charon : 1
total number: 1
        type: relative
       dates: 2008
 observatory: 181 - Observatoire des Makes, Saint-Louis

Reference.
   Sicardy, B. et al. (2011)
   Constraints on Charon’s Orbital Elements from the Double Stellar Occultation of 2008 June 22.
   The Astronomical Journal. V. 141 (2). Id 67 (16 pp.).
   2011AJ____141___67S

Informations.
         relative to: Pluto
     reference frame: astrometric
     centre of frame: topocentre
    epoch of equinox: J2000
          time scale: UT
           reduction: no information
         coordinates: differential X, Y relative to Pluto
    diff. refraction: no information
            receptor: CCD
           telescope: 35 cm telescope
           observers: J. P. Teng, F. Benard

 data included in standard data file: no

Comments.
  Coordinates of Charon relative to Pluto were obtained from occultation by Charon of the UCAC2 star 25370733.

Format.
  1. Year of the date of observation
  2. Month of the date of observation
  3. Day of the date of observation
  4. Hour of the date of observation
  5. Minutes of the date of observation
  6. Seconds of the date of observation with decimals
  6. differential X-coordinate (X, arcsec)
  7. differential Y-coordinate (Y, arcsec)
  8. Error for the X-coordinate (sigX, arcsec)
  9. Error for the Y-coordinate (sigY, arcsec)
 
----------------------------------------------------
Year    Day   Min         X      Y     sigX   sigY
  Month    Hour  Sec    arcsec arcsec  arcsec arcsec
----------------------------------------------------