89-01 SOLAR ASTRONOMY
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89-02 STELLAR ASTRONOMY AND COSMOLOGY
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89-03 METEORS AND METEORITES
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90-01 GRAVITATION
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90-02 ASTROPHYSICAL PLASMAS
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91-01 THE MOON
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91-02 PLANETARY SCIENCES AND EXPLORATION
Aug 17, 2008 -- Additions to the NASA scientific and technical information knowledge base
Title:
Terahertz Remote-Sensing of the Venusian Atmosphere: Observations using the Nobeyama Millimeter Array
Document ID:
20080026363
Report #:
None
Sales Agency:
Other Sources Copyright
Author(s):
Sagawa, Hideo (National Inst. of Information and Communications Technology)
Journal:
Review of the National Institute of Information and Communications Technology, Volume 54, No. 1, Page: 129-136
Published:
20080301
Source:
National Inst. of Information and Communications Technology (Tokyo, Japan)
Pages:
--
Contract #:
None
Abstract:
Venusian spectra at the terahertz region are characteristic of several rotational absorption lines of minor constituents superposed on a continuum of the atmospheric thermal emission. The intensity of the continuum emission varies from 700 to 200 K with increasing the observing frequency from radio to terahertz region, which enables us to observe the Venusian atmosphere in a wide vertical range: from the surface to the cloud top. The rotational lines provide us effective tools not just to retrieve the vertical and horizontal distribution of minor constituents but also to measure the wind velocity via Doppler-shift of the line center frequency. In this paper, the results of the aperture synthesis observations of Venus with the Nobeyama Millimeter Array are presented.
Language:
Japanese
93-01 COSMIC RADIATION
Aug 17, 2008 -- Additions to the NASA scientific and technical information knowledge base
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93-02 SOLAR RADIATION AND ACTIVITY
Aug 17, 2008 -- Additions to the NASA scientific and technical information knowledge base
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93-03 RADIATION BELTS
Aug 17, 2008 -- Additions to the NASA scientific and technical information knowledge base
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