Resolved CCD Photometry of Pluto and Charon

Details Resolved CCD Photometry of Pluto and Charon Resolved CCD Photometry of Pluto and Charon

Apr 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988pasp..100..489j&link_type=abstract

Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 100, April 1988, p. 489-495.

Astronomy and Astrophysics

Astronomy

9

Astronomical Photometry, Charge Coupled Devices, Charon, Pluto (Planet), Planetary Radiation, Point Spread Functions, Spectrum Analysis, Pluto, Satellites, Charon, Ccd Methods, Photometry, Pluto-Charon System, Color, Optical Properties, Albedo, Earth-Based Observations, Techniques, Analysis, Imagery, Astronomy, Procedure

Scientific paper

Highly resolved CCD images of Pluto and Charon near maximum separation are measured with point spread function fitting techniques to determine independent magnitudes and an accurate separation for Pluto and Charon. A measured separation of 0.923 + or - 0.005 arcsec at a position angle of 173.3 + or - 0.3 deg on June 18, 1987 UT produced a value of 19558.0 + or - 153.0 km for the radius of Charon's orbit. An apparent B magnitude of 14.877 + or - 0.009 and (B-I) color of 1.770 + or - 0.015 are determined for Pluto, while Charon is fainter with B = 18.826 + or - 0.011 and slightly bluer with (B-I) = 1.632 + or - 0.018.

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