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IPRT/AMATERAS: A New Metric Spectrum Observation System for Solar Radio Bursts
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  • Open Access
  • Published: 03 January 2012

IPRT/AMATERAS: A New Metric Spectrum Observation System for Solar Radio Bursts

  • K. Iwai1,
  • F. Tsuchiya1,
  • A. Morioka1 &
  • …
  • H. Misawa1 

Solar Physics volume 277, pages 447–457 (2012)Cite this article

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Abstract

A new radio spectropolarimeter for solar radio observation has been developed at Tohoku University and installed on the Iitate Planetary Radio Telescope (IPRT) at the Iitate observatory in Fukushima prefecture, Japan. This system, named AMATERAS (the Assembly of Metric-band Aperture TElescope and Real-time Analysis System), enables us to observe solar radio bursts in the frequency range between 150 and 500 MHz. The minimum detectable flux in the observation frequency range is less than 0.7 SFU with an integration time of 10 ms and a bandwidth of 61 kHz. Both left and right polarization components are simultaneously observed in this system. These specifications are accomplished by combining the large aperture of IPRT with a high-speed digital receiver. Observational data are calibrated and archived soon after the daily observation. The database is available online. The high-sensitivity observational data with the high time and frequency resolutions from AMATERAS will be used to analyze spectral fine structures of solar radio bursts.

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Authors and Affiliations

  1. Planetary Plasma and Atmospheric Research Center, Tohoku University, Sendai, Miyagi, 980-8578, Japan

    K. Iwai, F. Tsuchiya, A. Morioka & H. Misawa

Authors
  1. K. Iwai
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  2. F. Tsuchiya
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  3. A. Morioka
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  4. H. Misawa
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Corresponding author

Correspondence to K. Iwai.

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Open Access This is an open access article distributed under the terms of the Creative Commons Attribution Noncommercial License (https://creativecommons.org/licenses/by-nc/2.0), which permits any noncommercial use, distribution, and reproduction in any medium, provided the original author(s) and source are credited.

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Iwai, K., Tsuchiya, F., Morioka, A. et al. IPRT/AMATERAS: A New Metric Spectrum Observation System for Solar Radio Bursts. Sol Phys 277, 447–457 (2012). https://doi.org/10.1007/s11207-011-9919-y

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  • Received: 05 July 2011

  • Accepted: 02 December 2011

  • Published: 03 January 2012

  • Issue Date: April 2012

  • DOI: https://doi.org/10.1007/s11207-011-9919-y

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Keywords

  • Radio bursts
  • Instruments
  • Antenna
  • Radio spectrometer
  • Fast-Fourier transform spectrometer
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