›› 2009, Vol. 35 ›› Issue (2): 46-50.

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Estimation of Stellar Instrument Magnitudes for Star Tracker

ZHOU Jiantao1, CAI Wei2, WU Yanpeng   

  1. 1. Beijing Institute of Control Engineering, Beijing 100190,China;
    2. China Academy of Space Technology, Beijing 100094,China
  • Received:1900-01-01 Revised:1900-01-01 Online:2009-04-25 Published:2009-04-25

Abstract: Stellar instrument magnitudes are important for star trackers; however, there are not simple and accurate methods to estimate stellar instrument magnitudes. In this paper, a method using color indexes to compute instrument magnitudes is proposed. On the analysis of errors, better data is got by using the improved method. Because the errors are not greater than 0.1 magnitude, the data satisfy requirements of the star sensors.

Key words: stellar instrument magnitude, star sensor, color index

CLC Number: 

  • V4