The PanCam Instrument for the ExoMars Rover

The PanCam Instrument for the ExoMars Rover
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Exomars Rover的Pancam乐器

DOI:
10.1089/ast.2016.1548
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发表时间:
2017-07-01
期刊:
影响因子:
4.2
通讯作者:
Osinski GR
Osinski GR
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Coates AJ;Jaumann R;Griffiths AD;Leff CE;Schmitz N;Josset JL;Paar G;Gunn M;Hauber E;Cousins CR;Cross RE;Grindrod P;Bridges JC;Balme M;Gupta S;Crawford IA;Irwin P;Stabbins R;Tirsch D;Vago JL;Theodorou T;Caballo-Perucha M;Osinski GR

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ExoMars探测车的科学目标是回答在火星上寻找生命的几个关键问题。特别是,独特的地下钻探将解决其中的一些问题,例如地下有机物的可能存在和稳定性。PanCam将与其他环境仪器合作,为该任务建立地表地质和形态环境。在这里,我们描述了PanCam在地质学、大气科学和3d视觉方面的科学目标。我们讨论了PanCam的设计,它包括一对立体广角相机(WACs),每个广角相机都有一个11位滤光轮和一个高分辨率相机(HRC),用于远距离高分辨率研究岩石纹理。相机和电子设备安装在一个光学平台上,该平台为探测器桅杆和行星保护屏障提供机械接口。电子接口通过PanCam接口单元(PIU),电源调节通过DC-DC转换器。PanCam还包括安装在漫游者甲板上的校准目标,用于辐射校准,用于几何校准的基准标记和漫游者检查镜。关键词:火星-外行星-仪器-地质-大气-外行星生物学-环境天体生物学17,511-541。
The scientific objectives of the ExoMars rover are designed to answer several key questions in the search for life on Mars. In particular, the unique subsurface drill will address some of these, such as the possible existence and stability of subsurface organics. PanCam will establish the surface geological and morphological context for the mission, working in collaboration with other context instruments. Here, we describe the PanCam scientific objectives in geology, atmospheric science, and 3-D vision. We discuss the design of PanCam, which includes a stereo pair of Wide Angle Cameras (WACs), each of which has an 11-position filter wheel and a High Resolution Camera (HRC) for high-resolution investigations of rock texture at a distance. The cameras and electronics are housed in an optical bench that provides the mechanical interface to the rover mast and a planetary protection barrier. The electronic interface is via the PanCam Interface Unit (PIU), and power conditioning is via a DC-DC converter. PanCam also includes a calibration target mounted on the rover deck for radiometric calibration, fiducial markers for geometric calibration, and a rover inspection mirror. Key Words: Mars—ExoMars—Instrumentation—Geology—Atmosphere—Exobiology—Context. Astrobiology 17, 511–541.
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