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A MEASUREMENT OF THE RELATIVE REFLECTANCE OF PLUTO AT 0.86 MICRON

WILLIAM A. LANE, JOHN S. NEFF and JOHN D. FIX
Publications of the Astronomical Society of the Pacific
Vol. 88, No. 521 (February 1976), pp. 77-79
Stable URL: http://www.jstor.org/stable/40676247
Page Count: 3
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
A MEASUREMENT OF THE RELATIVE REFLECTANCE OF PLUTO AT 0.86 MICRON
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Abstract

We have examined Pluto's near infrared reflectance by means of photoelectric photometry using a filter whose effective wavelength is 0.86 micron. The ratio of Pluto's reflectance at 0.86 micron to that at 0.55 micron is 1.33 ± 0.04. Our measurements, combined with the UBVR colors of Pluto as measured by Hardie, show that Pluto's reflectance increases almost linearly with wavelength in the region between 0.36 micron and 0.86 micron. Pluto's reflectance in the spectral region resembles the reflectance of the asteroid 5 Astrae as well as some stony-iron meteorites and iron meteorites having low nickel content.

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