新视野号科学有效载荷概述
Overview of the New Horizons Science Payload
摘要：
新视野号任务于2006年1月19日发射，该航天器将于2015年夏天与冥王星系统进行飞越。在不到10年的时间里向冥王星发射航天器，并在如此大的日心距离（> 32 AU）进行一系列雄心勃勃的科学调查，这是一项艰巨的挑战，需要开发轻型，低功耗和高灵敏度的仪器。本文概述了由七个仪器组成的新视野号科学有效载荷。爱丽丝提供空间分辨紫外光谱。拉尔夫仪器有两个组成部分：多色可见光成像相机（MVIC），它执行全色和彩色成像，和线性标准具成像光谱阵列（LEISA），它提供近红外光谱映射能力。无线电实验（REX）是新视野号电信系统的一个组成部分，提供掩星和辐射测量能力。远程侦察成像仪（LORRI）提供高灵敏度、高空间分辨率的光学成像能力。冥王星上的太阳风（SWAP）仪器测量太阳风粒子的密度和速度。冥王星高能粒子光谱仪科学调查（PEPSSI）测量高能质子和CNO离子。Venetia Burney Student尘埃计数器（VB-SDC）用于记录飞行任务巡航阶段的尘埃粒子撞击情况。
英文摘要：
The New Horizons mission was launched on 2006 January 19, and the spacecraft is heading for a flyby encounter with the Pluto system in the summer of 2015. The challenges associated with sending a spacecraft to Pluto in less than 10 years and performing an ambitious suite of scientific investigations at such large heliocentric distances (> 32 AU) are formidable and required the development of lightweight, low power, and highly sensitive instruments. This paper provides an overview of the New Horizons science payload, which is comprised of seven instruments. Alice provides spatially resolved ultraviolet spectroscopy. The Ralph instrument has two components: the Multicolor Visible Imaging Camera (MVIC), which performs panchromatic and color imaging, and the Linear Etalon Imaging Spectral Array (LEISA), which provides near-infrared spectroscopic mapping capabilities. The Radio Experiment (REX) is a component of the New Horizons telecommunications system that provides both occultation and radiometry capabilities. The Long Range Reconnaissance Imager (LORRI) provides high sensitivity, high spatial resolution optical imaging capabilities. The Solar Wind at Pluto (SWAP) instrument measures the density and speed of solar wind particles. The Pluto Energetic Particle Spectrometer Science Investigation (PEPSSI) measures energetic protons and CNO ions. The Venetia Burney Student Dust Counter (VB-SDC) is used to record dust particle impacts during the cruise phases of the mission.
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