Viking - Orbiter science equipment

Details Viking - Orbiter science equipment Viking - Orbiter science equipment

Apr 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976spfl...18..124b&link_type=abstract

Spaceflight, vol. 18, Apr. 1976, p. 124, 125.

Physics

Optics

Mars Photographs, Photographic Recording, Satellite-Borne Instruments, Television Systems, Thermal Mapping, Viking Orbiter Spacecraft, Cassegrain Optics, Geological Surveys, Infrared Radiometers, Infrared Spectrometers, Mars Surface, Space Exploration, Television Cameras, Water Vapor

Scientific paper

The instrumentation aboard the Viking orbiter for obtaining a photographic record of geological changes, high resolution imagery of selected areas of the Martian surface, information on the distribution of water vapor, and details on the thermal environment is described. The spacecraft will carry two TV cameras incorporating 38 mm selenium vidicon tube, and catadioptric Cassegrain lenses. An infrared spectrometer will detect water vapor at 1.38 micrometers. A four-channel infrared radiometer operating at wavelengths of 6-8, 8-9.5, 9.5-13, and 18-24 microns will be used to determine surface temperature profiles, measure atmospheric temperature, and detect frost or condensation levels. Additional spectral bands at 0.3-3 and 16 microns will measure atmospheric temperature and planetary albedo. Bimetallic thermocouples will measure infrared radiation in the spectral gaps between filter settings. The aeroshell protecting the Lander will contain a mass spectrometer, retarding potential analyzer, and pressure and temperature sensors to measure gross characteristics of the atmosphere of Mars.

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