排序方式: 共有4条查询结果,搜索用时 15 毫秒
1
1.
Adriani A Coradini A Filacchione G Lunine JI Bini A Pasqui C Calamai L Colosimo F Dinelli BM Grassi D Magni G Moriconi ML Orosei R 《Astrobiology》2008,8(3):613-622
The Jovian InfraRed Auroral Mapper (JIRAM) has been accepted by NASA for inclusion in the New Frontiers mission "Juno," which will launch in August 2011. JIRAM will explore the dynamics and the chemistry of Jupiter's auroral regions by high-contrast imaging and spectroscopy. It will also analyze jovian hot spots to determine their vertical structure and infer possible mechanisms for their formation. JIRAM will sound the jovian meteorological layer to map moist convection and determine water abundance and other constituents at depths that correspond to several bars pressure. JIRAM is equipped with a single telescope that accommodates both an infrared camera and a spectrometer to facilitate a large observational flexibility in obtaining simultaneous images in the L and M bands with the spectral radiance over the central zone of the images. Moreover, JIRAM will be able to perform spectral imaging of the planet in the 2.0-5.0 microm interval of wavelengths with a spectral resolution better than 10 nm. Instrument design, modes, and observation strategy will be optimized for operations onboard a spinning satellite in polar orbit around Jupiter. The JIRAM heritage comes from Italian-made, visual-infrared imaging spectrometers dedicated to planetary exploration, such as VIMS-V on Cassini, VIRTIS on Rosetta and Venus Express, and VIR-MS on the Dawn mission. 相似文献
2.
Alberto Adriani Gianrico Filacchione Tatiana Di Iorio Diego Turrini Raffaella Noschese Andrea Cicchetti Davide Grassi Alessandro Mura Giuseppe Sindoni Massimo Zambelli Giuseppe Piccioni Maria T. Capria Federico Tosi Roberto Orosei Bianca M. Dinelli Maria L. Moriconi Elio Roncon Jonathan I. Lunine Heidi N. Becker Alessadro Bini Alessandra Barbis Luciano Calamai Claudio Pasqui Stefano Nencioni Maurizio Rossi Marco Lastri Roberto Formaro Angelo Olivieri 《Space Science Reviews》2017,213(1-4):393-446
JIRAM is an imager/spectrometer on board the Juno spacecraft bound for a polar orbit around Jupiter. JIRAM is composed of IR imager and spectrometer channels. Its scientific goals are to explore the Jovian aurorae and the planet’s atmospheric structure, dynamics and composition. This paper explains the characteristics and functionalities of the instrument and reports on the results of ground calibrations. It discusses the main subsystems to the extent needed to understand how the instrument is sequenced and used, the purpose of the calibrations necessary to determine instrument performance, the process for generating the commanding sequences, the main elements of the observational strategy, and the format of the scientific data that JIRAM will produce. 相似文献
3.
M. C. De Sanctis A. Coradini E. Ammannito G. Filacchione M. T. Capria S. Fonte G. Magni A. Barbis A. Bini M. Dami I. Ficai-Veltroni G. Preti VIR Team 《Space Science Reviews》2011,163(1-4):329-369
The Dawn spectrometer (VIR) is a hyperspectral spectrometer with imaging capability. The design fully accomplishes Dawn’s scientific and measurement objectives. Determination of the mineral composition of surface materials in their geologic context is a primary Dawn objective. The nature of the solid compounds of the asteroid (silicates, oxides, salts, organics and ices) can be identified by visual and infrared spectroscopy using high spatial resolution imaging to map the heterogeneity of asteroid surfaces and high spectral resolution spectroscopy to determine the composition unambiguously. The VIR Spectrometer—covering the range from the near UV (0.25 μm) to the near IR (5.0 μm) and having moderate to high spectral resolution and imaging capabilities—is the appropriate instrument for the determination of the asteroid global and local properties. VIR combines two data channels in one compact instrument. The visible channel covers 0.25–1.05 μm and the infrared channel covers 1–5.0 μm. VIR is inherited from the VIRTIS mapping spectrometer (Coradini et al. in Planet. Space Sci. 46:1291–1304, 1998; Reininger et al. in Proc. SPIE 2819:66–77, 1996) on board the ESA Rosetta mission. It will be operated for more than 2 years and spend more than 10 years in space. 相似文献
4.
A Coradini F. Capaccioni P. Drossart G. Arnold E. Ammannito F. Angrilli A. Barucci G. Bellucci J. Benkhoff G. Bianchini J. P. Bibring M. Blecka D. Bockelee-Morvan M. T. Capria R. Carlson U. Carsenty P. Cerroni L. Colangeli M. Combes M. Combi J. Crovisier M. C. Desanctis E. T. Encrenaz S. Erard C. Federico G. Filacchione U. Fink S. Fonti V. Formisano W. H. Ip R. Jaumann E. Kuehrt Y. Langevin G. Magni T. Mccord V. Mennella S. Mottola G. Neukum P. Palumbo G. Piccioni H. Rauer B. Saggin B. Schmitt D. Tiphene G. Tozzi 《Space Science Reviews》2007,128(1-4):529-559
The VIRTIS (Visual IR Thermal Imaging Spectrometer) experiment has been one of the most successful experiments built in Europe
for Planetary Exploration. VIRTIS, developed in cooperation among Italy, France and Germany, has been already selected as
a key experiment for 3 planetary missions: the ESA-Rosetta and Venus Express and NASA-Dawn. VIRTIS on board Rosetta and Venus
Express are already producing high quality data: as far as Rosetta is concerned, the Earth-Moon system has been successfully
observed during the Earth Swing-By manouver (March 2005) and furthermore, VIRTIS will collect data when Rosetta flies by Mars
in February 2007 at a distance of about 200 kilometres from the planet. Data from the Rosetta mission will result in a comparison
– using the same combination of sophisticated experiments – of targets that are poorly differentiated and are representative
of the composition of different environment of the primordial solar system. Comets and asteroids, in fact, are in close relationship
with the planetesimals, which formed from the solar nebula 4.6 billion years ago. The Rosetta mission payload is designed
to obtain this information combining in situ analysis of comet material, obtained by the small lander Philae, and by a long lasting and detailed remote sensing of the
comet, obtained by instrument on board the orbiting Spacecraft. The combination of remote sensing and in situ measurements will increase the scientific return of the mission. In fact, the “in situ” measurements will provide “ground-truth” for the remote sensing information, and, in turn, the locally collected data will
be interpreted in the appropriate context provided by the remote sensing investigation. VIRTIS is part of the scientific payload
of the Rosetta Orbiter and will detect and characterise the evolution of specific signatures – such as the typical spectral
bands of minerals and molecules – arising from surface components and from materials dispersed in the coma. The identification
of spectral features is a primary goal of the Rosetta mission as it will allow identification of the nature of the main constituent
of the comets. Moreover, the surface thermal evolution during comet approach to sun will be also studied. 相似文献
1