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Voyager infrared spectroscopy and radiometry investigation

Journal Article:

Abstract

The infrared investigation on Voyager uses two interferometers covering the spectral ranges 60-600 cm/sup -1/ (17-170 ..mu..m) and 1000-7000 cm/sup -1/ (1.4-10 ..mu..m), and a radiometer covering the range 8000-25000 cm/sup -1/ (0.4-1.2 ..mu..m). Two spectral resolutions (approximately 6.5 and 2.0 cm/sup -1/) are available for each of the interferometers. In the middle of the thermal channel (far infrared interferometer) the noise level is equivalent to the signal from a target at 50 K; in the middle of the reflected sunlight channel (near infrared interferometer) the noise level is equivalent to the signal from an object of albedo 0.2 at the distance of Uranus. For planets and satellites with substantial atmospheres, the data will be used to investigate cloud and gas composition (including isotopic ratios), haze scale height, atmospheric vertical thermal structure, local and planetary circulation and dynamics, and planetary energy balance. For satellites with tenuous atmospheres, data will be gathered on surface and atmospheric compositon, surface temperature and thermal properties, local and global phase functions, and surface structure. For Saturn's rings, the composition and radial structure, particle size and thermal characteristics will be investigated. Comparative studies of the planets and their satellite systems will be carried out.
Authors:
Hanel, R; Conrath, B; Gautier, D; Gierasch, P; Kumar, S; Kunde, V; Lowman, P; Maguire, W; Pearl, J; Pirraglia, J [1] 
  1. National Aeronautics and Space Administration, Greenbelt, Md. (USA). Goddard Space Flight Center
Publication Date:
Nov 01, 1977
Product Type:
Journal Article
Reference Number:
AIX-09-374914; EDB-78-111659
Resource Relation:
Journal Name: Space Sci. Rev.; (Netherlands); Journal Volume: 21:2
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; JUPITER PLANET; PLANETARY ATMOSPHERES; SATELLITES; PLANETS; SURFACES; SATURN PLANET; RINGS; CHEMICAL COMPOSITION; INFRARED RADIATION; INTERFEROMETERS; ISOTOPE RATIO; RADIOMETERS; SPACE VEHICLES; SPECTROSCOPY; VOYAGER SPACE PROBES; ATMOSPHERES; ELECTROMAGNETIC RADIATION; MEASURING INSTRUMENTS; RADIATION DETECTORS; RADIATIONS; 640107* - Astrophysics & Cosmology- Planetary Phenomena
OSTI ID:
7080680
Country of Origin:
Netherlands
Language:
English
Other Identifying Numbers:
Journal ID: CODEN: SPSRA
Submitting Site:
INIS
Size:
Pages: 129-157
Announcement Date:
May 01, 1978

Journal Article:

Citation Formats

Hanel, R, Conrath, B, Gautier, D, Gierasch, P, Kumar, S, Kunde, V, Lowman, P, Maguire, W, Pearl, J, and Pirraglia, J. Voyager infrared spectroscopy and radiometry investigation. Netherlands: N. p., 1977. Web.
Hanel, R, Conrath, B, Gautier, D, Gierasch, P, Kumar, S, Kunde, V, Lowman, P, Maguire, W, Pearl, J, & Pirraglia, J. Voyager infrared spectroscopy and radiometry investigation. Netherlands.
Hanel, R, Conrath, B, Gautier, D, Gierasch, P, Kumar, S, Kunde, V, Lowman, P, Maguire, W, Pearl, J, and Pirraglia, J. 1977. "Voyager infrared spectroscopy and radiometry investigation." Netherlands.
@misc{etde_7080680,
title = {Voyager infrared spectroscopy and radiometry investigation}
author = {Hanel, R, Conrath, B, Gautier, D, Gierasch, P, Kumar, S, Kunde, V, Lowman, P, Maguire, W, Pearl, J, and Pirraglia, J}
abstractNote = {The infrared investigation on Voyager uses two interferometers covering the spectral ranges 60-600 cm/sup -1/ (17-170 ..mu..m) and 1000-7000 cm/sup -1/ (1.4-10 ..mu..m), and a radiometer covering the range 8000-25000 cm/sup -1/ (0.4-1.2 ..mu..m). Two spectral resolutions (approximately 6.5 and 2.0 cm/sup -1/) are available for each of the interferometers. In the middle of the thermal channel (far infrared interferometer) the noise level is equivalent to the signal from a target at 50 K; in the middle of the reflected sunlight channel (near infrared interferometer) the noise level is equivalent to the signal from an object of albedo 0.2 at the distance of Uranus. For planets and satellites with substantial atmospheres, the data will be used to investigate cloud and gas composition (including isotopic ratios), haze scale height, atmospheric vertical thermal structure, local and planetary circulation and dynamics, and planetary energy balance. For satellites with tenuous atmospheres, data will be gathered on surface and atmospheric compositon, surface temperature and thermal properties, local and global phase functions, and surface structure. For Saturn's rings, the composition and radial structure, particle size and thermal characteristics will be investigated. Comparative studies of the planets and their satellite systems will be carried out.}
journal = {Space Sci. Rev.; (Netherlands)}
volume = {21:2}
journal type = {AC}
place = {Netherlands}
year = {1977}
month = {Nov}
}