Astronomy and Astrophysics – Astrophysics
Scientific paper
Aug 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008a%26a...486..613v&link_type=abstract
Astronomy and Astrophysics, Volume 486, Issue 2, 2008, pp.613-615
Astronomy and Astrophysics
Astrophysics
Minor Planets, Asteroids, Celestial Mechanics, Ephemerides, Kuiper Belt, Astrometry
Scientific paper
Aims: The purpose of this article is to present the new accurate astrometric CCD positions of Pluto, now designated as the minor planet 134340 Pluto and member of the Trans-Neptunian population. These positions were obtained from 1108 frames taken during 49 nights. The observations were distributed in 17 continuous missions between the years of 1995 and 2004. Methods: The USNO-A2.0 star catalog, locally corrected by UCAC2 catalog, was used for the astrometric calibration. All positions were compared with those calculated by the PLU017 ephemeris. Results: In this work precise positions of 134340 Pluto are presented. The residues, observed minus calculated positions, have mean and standard deviation smaller than 0.05 arcsec, in the right ascension and declination coordinates' directions.
Based on observations made at the Laboratório Nacional de Astrofísica/MCT-Itajubá-Brazil. Full Table [see full text] is only available in electronic form at the CDS via anonymous ftp to cdsarc.u-strasbg.fr (130.79.128.5) or via http://cdsweb.u-strasbg.fr/cgi-bin/qcat?J/A+A/486/613
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