Astronomy:Pierre Kaufmann Radio Observatory

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Pierre Kaufmann Radio Observatory
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Pierre Kauffman Radio Observatory (Portuguese: Rádio Observatório Pierre Kauffman - ROPK), formerly known as the Itapetinga Radio Observatory[1] (Portuguese: Rádio Observatório de Itapetinga - ROI), is a radio observatory located in the municipality of Atibaia in the state of São Paulo in Brazil . It is located approximately 7.5 km (4.7 mi) south of Atibaia and 40 km (25 mi) north of São Paulo. ROI was founded in 1970 by Universidade Presbiteriana Mackenzie (UPM).[2] Control of the facility was passed to the National Institute for Space Research (INPE) in 1982.[2] Today it is managed jointly by INPE, UPM, University do Vale do Paraíba (Univap), Universidade de São Paulo (USP), and Universidade Federal de Itajubá (UNIFEI).[3] In addition to the telescopes, the observatory has living quarters for visiting scientists. ROI is located inside a small radio quiet zone.[4] It was renamed in 2016 after Pierre Kauffman.

Telescopes

  • A 13.7 m (45 ft) dish antenna was completed in 1974. It is housed in a radome which was replaced in 1990. It observes in bands from 18 GHz to 26 GHz and 40 GHz to 50 GHz simultaneously.[5] It is used for both astronomical and solar observations.[6][7]
  • The Solar Patrol Equipment (Portuguese: Equipamento de Patrulhamento Solar - SPUA) is an array of 1.5 m (4.9 ft) dish antennas on a common mount. It monitors the intensity and linear polarization of radio waves from the Sun at 12 GHz.[5]
  • The Solar Radio Polarimeter (Portuguese: Rádio Polarímetro Solar - RaPoSo) is a 1.5 m (4.9 ft) antenna with two low-noise receivers centered at 7 GHz. It monitors the intensity and circular polarization of radio waves from the Sun.[8] It was originally located at UPM's defunct Umuarama Radio Observatory near Campos do Jordão and is the oldest telescope at ROI.[9][10]

See also

References

  1. ↑ "Rádio Observatório Pierre Kaufmann é reinaugurado em Atibaia" (in es). https://www.mackenzie.br/es/noticias/artigo/n/a/i/radio-observatorio-pierre-kaufman-e-reinaugurado-em-atibaia/. 
  2. ↑ 2.0 2.1 "Radiobservatório do Itapetinga - ROI/INPE". Radiobservatório do Itapetinga. http://www.cea.inpe.br/roi/. Retrieved 2012-08-02. 
  3. ↑ "Comissão de Usuários". Radiobservatório do Itapetinga. http://www.cea.inpe.br/roi/comissao.php. Retrieved 2012-08-02. 
  4. ↑ "Zona de Silêncio". Radiobservatório do Itapetinga. http://www.cea.inpe.br/roi/zonasilencio.php. Retrieved 2012-08-02. 
  5. ↑ 5.0 5.1 "Instrumentos". Radiobservatório do Itapetinga. http://www.cea.inpe.br/roi/instrumentos.php. Retrieved 2012-08-02. 
  6. ↑ Giménez de Castro, C. G.; Raulin, J.-P.; Mandrini, C. H.; Kaufmann, P.; Magun, A. (January 2001). "Multi-resolution wavelet analysis of high time resolution millimeter wavelength observations of solar bursts". Astronomy and Astrophysics 366: 317–325. doi:10.1051/0004-6361:20000088. Bibcode: 2001A&A...366..317G. 
  7. ↑ Tateyama, C. E.; Strauss, F. M. (May 1992). "Centaurus a at 22 and 43 GHz". Monthly Notices of the Royal Astronomical Society 256: 8–12. doi:10.1093/mnras/256.1.8. Bibcode: 1992MNRAS.256....8T. 
  8. ↑ "Rádio Polarímetro Solar (RaPoSo) - Brasil". Radiobservatório do Itapetinga. http://www.cea.inpe.br/roi/radio_solar.php. Retrieved 2012-08-02. 
  9. ↑ Kaufmann, Pierre (February 1968). "Solar Physics at Mackenzie University, São, Paulo, Brazil". Solar Physics 3 (2): 360–363. doi:10.1007/BF00155173. Bibcode: 1968SoPh....3..360K. 
  10. ↑ Kaufmann, Pierre (June 1971). "The New Itapetinga Radio Observatory, from Mackenzie University, São Paulo, Brasil". Solar Physics 18 (2): 336–339. doi:10.1007/BF00145948. Bibcode: 1971SoPh...18..336K. 



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