ON-ORBIT RESULTS OF PHOTOELECTRON CURRENT MEASUREMENT SYSTEM IN LOW EARTH ORBIT ON HORYU-IV SATELLITE

Arid Zone Journal of Engineering, Technology and Environment

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Title ON-ORBIT RESULTS OF PHOTOELECTRON CURRENT MEASUREMENT SYSTEM IN LOW EARTH ORBIT ON HORYU-IV SATELLITE
 
Creator Ewang, E.
Ogah, O.
Suleiman, H.
Agbaje, G.
Faizullin, D.
Toyoda, K.
Cho, M.
 
Description On-orbit photoelectron current experiment is one of the missions carried out with the less resource available from a HORYU-IV satellite, for measuring the current from metallic and insulator surfaces from air mass zero (AMO) spectrum. This is with the view to determined photoelectron potential of materials widely used in spacecraft in space. HORYU-IV also known as Arc Event Generator and Investigator satellite (AEGIS) is among HORYU satellite series of Kyushu Institute of Technology, which was launched on February 17, 2016 as a piggy-back on-board H-IIA rocket. The measurement system consists of current-voltage amplifier circuits for Au, Kapton and Black Kapton samples with varying gains and other discrete components. We present the analysis of the telemetry data obtained after the launch; validate the effectiveness of the design and verification processes. The results show that the current measured from Black kapton sample surface had 1.80 nA and 2.70 nA, corresponds to 69.1? and 75.1? minimum and maximum elevation angles respectively. This paper described the on-orbit result of PEC and its verification through ground tests
 
Publisher Faculty of Engineering, University of Maiduguri, P.M.B. 1069, Maiduguri, Nigeria.
 
Date 2019-09-23
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Peer-reviewed Article
 
Identifier http://azojete.com.ng/index.php/azojete/article/view/655
 
Source Arid Zone Journal of Engineering, Technology and Environment; Vol 15 No SPi2 (2019): AZOJETE - Centre for Satellite Technology Development Special Issue: Space Science and Technology for Sustainable Development; 46-56
2545-5818
1596-2490
 
Language en
 
Rights Copyright (c) 2019 Arid Zone Journal of Engineering, Technology and Environment
 

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