The Balloon Array for RBSP Relativistic Electron Losses (BARREL)

The Balloon Array for RBSP Relativistic Electron Losses (BARREL)
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用于 RBSP 相对论电子损耗的气球阵列 (BARREL)

DOI:
10.1007/s11214-013-9971-z
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发表时间:
2013
影响因子:
10.3
通讯作者:
Millan R
Millan R
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Millan R

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BARREL是一个多气球调查,旨在研究地球辐射带的电子损失。BARREL被选为美国宇航局与星星共存的机会使命,它通过提供相对论电子沉淀的测量来增强辐射带风暴探测器使命,这对南极气球活动将在2013年和2014年的南方夏季(1月至2月)进行。在每次活动中,将连续发射总共20个小型(1.20千克)平流层气球,以维持一个由1.55万有效载荷组成的阵列,分布在磁映射到辐射带的区域的当地磁时1.66小时内。每个气球都携带一个X射线光谱仪来测量相对论电子与大气中的中性粒子碰撞时产生的韧致辐射X射线,以及一个直流磁力计来测量磁场的超低频时间尺度变化。BARREL将提供相对论电子沉淀的第一个气球测量,而等离子体波和高能粒子的全面原位测量是可用的,并将表征相对论能量的沉淀的空间尺度。所有数据和分析软件将免费提供给科学界。
BARREL is a multiple-balloon investigation designed to study electron losses from Earth’s Radiation Belts. Selected as a NASA Living with a Star Mission of Opportunity, BARREL augments the Radiation Belt Storm Probes mission by providing measurements of relativistic electron precipitation with a pair of Antarctic balloon campaigns that will be conducted during the Austral summers (January-February) of 2013 and 2014. During each campaign, a total of 20 small (∼20 kg) stratospheric balloons will be successively launched to maintain an array of ∼5 payloads spread across ∼6 hours of magnetic local time in the region that magnetically maps to the radiation belts. Each balloon carries an X-ray spectrometer to measure the bremsstrahlung X-rays produced by precipitating relativistic electrons as they collide with neutrals in the atmosphere, and a DC magnetometer to measure ULF-timescale variations of the magnetic field. BARREL will provide the first balloon measurements of relativistic electron precipitation while comprehensive in situ measurements of both plasma waves and energetic particles are available, and will characterize the spatial scale of precipitation at relativistic energies. All data and analysis software will be made freely available to the scientific community.
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使用 BARREL 了解相对论电子损耗
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