Imaging Polarimetry of Geostationary Satellite Express-AM5

Автор(и)

  • N. Kosaka Nishi-Harima Astronomical Observatory, Center for Astronomy, University of Hyogo, Japan
  • Yoichi Itoh Nishi-Harima Astronomical Observatory, Center for Astronomy, University of Hyogo, Japan http://orcid.org/0000-0002-3231-1159
  • T. Saito Nishi-Harima Astronomical Observatory, Center for Astronomy, University of Hyogo, Japan
  • M. Tozuka Nishi-Harima Astronomical Observatory, Center for Astronomy, University of Hyogo, Japan
  • T. Endo Information Technology R&D Center, Mitsubishi Electric Corporation, Kanagawa, Japan
  • T. Ando Information Technology R&D Center, Mitsubishi Electric Corporation, Kanagawa, Japan

DOI:

https://doi.org/10.18524/1810-4215.2020.33.207036

Ключові слова:

Polarization, Planets and satellites, individual, artificial satellite

Анотація

This paper reports on the optical
imaging polarimetry of geostationary satellite Express-
AM5. Precise optical polarimetry was carried out using
the Nayuta 2-m telescope at Nishi-Harima Astronom-
ical Observatory and a polarimeter. V -band images
were continuously taken in 312 minutes. The degree
of polarization decreased with time until the minimum
phase angle was reached at midnight, and then, it in-
creased until morning. This change in the degree of
polarization is well explained by the reflection of sun-
light from monocrystalline solar panels of the satellite
and possibly from other satellite components such as
the antenna dishes and/or bus

Посилання

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Опубліковано

2020-07-07

Номер

Розділ

Solar system