Io - Ground-based observations of hot spots

Details Io - Ground-based observations of hot spots Io - Ground-based observations of hot spots

Nov 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980sci...210.1015s&link_type=abstract

Science, vol. 210, Nov. 28, 1980, p. 1015-1017.

Astronomy and Astrophysics

Astronomy

8

Infrared Astronomy, Io, Planetary Temperature, Ground Stations, Volcanoes, Jupiter, Satellites, Io, Eclipses, Earth-Based Observations, Emissions, Radiation, Temperatures, Volcanoes, Photometry, Brightness, Magnitude, Reflectance, Radiometery, Infrared Spectroscopy, Wavelengths, Flux, Scattering, Absorption

Scientific paper

Observations of Io in eclipse demonstrate conclusively that Io emits substantial amounts of radiation at 4.8 and 3.8 micrometers and a measurable amount at 2.2 micrometers. Color temperatures derived from the observations fit blackbody emission at 560 K. The required source area to yield the observed 4.8-micrometer flux is approximately 5 x 10 to the -5th of the disk of Io and is most likely comprised of small hot spots in the vicinity of the volcanoes.

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