Modelling of Zodiacal Light Emission for Space Missions
Date Issued
2019
Author(s)
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Amiaux, Jerome
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Carvalho, Carla Sofia
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Cuillandre, Jean-Charles
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Cunha Da Silva, Antonio Jose
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Dinis, Joao
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Hudelot, Patrick
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Maiorano, Ettore
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Tereno, Ismael
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Abstract
Accurate planning of forthcoming missions requires an accurate knowledge of diffuse sources in order to optimize mission parameters and the scanning strategy. Zodiacal Light (ZL or Zody) is a well known contaminant for ground based and space-borne observations and contributes to determine the limit magnitude of a survey. Despite the physical origin of ZL is well known, predicting and modeling Zody contamination is complicated by a number of subtleties. The cloud of Interplanetary Dust Particles has a quite complex 3D structure, whose main geometrical parameters have been assessed in the last two decades, but their photometrical properties are affected by a significant level of uncertainty. The observer orbiting the Sun is moving within the cloud of IDPs, leading to an important time dependence in the perturbing signal and asking for a precise knowledge of the expected trajectory and scanning strategy of the mission. This work illustrates this problem taking the ESA Euclid mission as a case study and presenting the Zody EUclid Simulator (ZEUS) developed for this mission.
Coverage
Astronomical Data Analysis Software and Systems XXVI
All editors
Molinaro, Marco; Shortridge, Keith; Pasian, Fabio
Volume
521
Start page
531
Conferenece
Astronomical Data Analysis Software and Systems XXVI
Conferenece place
Trieste, Italy
Conferenece date
16-20 October, 2016
Issn Identifier
1050-3390
Ads BibCode
2019ASPC..521..531M
Rights
restricted
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