Výsledky vyhledávání - "Naomoto IWAGAMI"

Akademický článek

An uppermost haze layer above 100 km found over Venus by the SOIR instrument onboard Venus Express

Autor: Seiko Takagi, Arnaud Mahieux, Valérie Wilquet, Séverine Robert, Ann Carine Vandaele, Naomoto Iwagami

Publikováno v: Earth, Planets and Space, Vol 71, Iss 1, Pp 1-12 (2019)

Abstract The Solar Occultation in the InfraRed (SOIR) instrument onboard Venus Express was designed to measure the Venusian atmospheric transmission at high altitudes (65–220 km) in the infrared range (2.2–4.3 μm) with a high spectral resolution

Externí odkaz: https://doaj.org/article/8363cebd7e9541658dd8a9b74ad1bd03

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Akademický článek

Venus looks different from day to night across wavelengths: morphology from Akatsuki multispectral images

Publikováno v: Earth, Planets and Space, Vol 70, Iss 1, Pp 1-38 (2018)

Abstract Since insertion into orbit on December 7, 2015, the Akatsuki orbiter has returned global images of Venus from its four imaging cameras at eleven discrete wavelengths from ultraviolet (283 and 365 nm) and near infrared (0.9–2.3 µm), to the

Externí odkaz: https://doaj.org/article/dd09b935d6be44b086446bc3108f150b

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Akademický článek

Initial products of Akatsuki 1-μm camera

Publikováno v: Earth, Planets and Space, Vol 70, Iss 1, Pp 1-19 (2018)

Abstract The status and initial products of the 1-μm camera onboard the Akatsuki mission to Venus are presented. After the successful retrial of Venus’ orbit insertion on Dec. 2015 (5 years after the failure in Dec. 2010), and after a long cruise

Externí odkaz: https://doaj.org/article/1cacd829b7d74e6fb843a332b7c9dcf5

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Akademický článek

Overview of Akatsuki data products: definition of data levels, method and accuracy of geometric correction

Publikováno v: Earth, Planets and Space, Vol 69, Iss 1, Pp 1-16 (2017)

Abstract We provide an overview of data products from observations by the Japanese Venus Climate Orbiter, Akatsuki, and describe the definition and content of each data-processing level. Levels 1 and 2 consist of non-calibrated and calibrated radianc

Externí odkaz: https://doaj.org/article/934ba501a5894cfa8638215c1c27ed6a

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Akademický článek

Absolute calibration of brightness temperature of the Venus disk observed by the Longwave Infrared Camera onboard Akatsuki

Publikováno v: Earth, Planets and Space, Vol 69, Iss 1, Pp 1-9 (2017)

Abstract The Venus Climate Orbiter Akatsuki arrived at Venus in December 2015, and the Longwave Infrared Camera (LIR) onboard the spacecraft started making observations. LIR has acquired more than 8000 images during the first two Venusian years since

Externí odkaz: https://doaj.org/article/a5d49ad94e384e6c8aec2c90bf2a469f

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Akademický článek

Rocket Observations of Nitric Oxide Density Profile and Ground Observations of the 5200 Å Emission at Syowa Station, Antarctica (f. Polar Ionosphere) (Proceedings of the Second Symposium on Coordinated Observations of the Ionosphere and the Magnetosphere in the Polar Regions : Part II)

Autor: Naomoto IWAGAMI, Toshihiro OGAWA, Yutaka KONDO

Publikováno v: Antarctic Record, Iss 69, Pp 116-125 (1980)

The nitric oxide density profile between 72 and 120 km was measured with a specially designed ultraviolet radiometer making use of the resonant fluorescence in the γ(1,0) band near 2150 Å aboard a sounding rocket launched at Syowa Station (69°S,

Externí odkaz: https://doaj.org/article/0fc64209f50c490a9d34481a0f2f2aeb

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Akademický článek

Rocket Measurement of Mesospheric Ozone at High Latitude (f. Polar Ionosphere) (Proceedings of the Second Symposium on Coordinated Observations of the Ionosphere and the Magnetosphere in the Polar Regions : Part II)

Autor: Takashi WATANABE, Naomoto IWAGAMI, Toshihiro OGAWA, Masatoshi NAKAMURA

Publikováno v: Antarctic Record, Iss 69, Pp 111-115 (1980)

A rocket measurement of the vertical distribution of ozone in the mesosphere has been made under a high latitude winter condition, with the solar ultraviolet absorption method. The measured ozone concentration at 60 km was l.7×10^9 cm^3, which was m

Externí odkaz: https://doaj.org/article/13e654505b82451783111f93a68518e6

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A Long‐Lived Sharp Disruption on the Lower Clouds of Venus

Publikováno v: Geophysical Research Letters

Planetary-scale waves are thought to play a role in powering the yet-unexplained atmospheric superrotation of Venus. Puzzlingly, while Kelvin, Rossby and stationary waves manifest at the upper clouds (65--70 km), no planetary-scale waves or stationar

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::044f9d1560c05abee1f31cbf188ffb5b

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