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| Alternative names | Toruń Centre for Astronomy |
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| Organization | |
| Observatory code | 092 |
| Location | Toruń,Kuyavian–Pomeranian Voivodeship, Poland |
| Coordinates | 53°05′43″N18°33′46″E / 53.09525°N 18.56275°E /53.09525; 18.56275 |
| Altitude | 94 m (308 ft) |
| Established | 1947 |
| Website | www |
| Telescopes |
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  Location of Institute of Astronomy | |
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 Related media on Commons | |
TheInstitute of Astronomy[1]: 6 ofNicolaus Copernicus University in Toruń, known prior to 1 October 2019 in scientific publications as theToruń Centre for Astronomy,[2] is an optical andradioobservatory located at (53°5′42.9″N18°33′45.9″E / 53.095250°N 18.562750°E /53.095250; 18.562750) inPiwnice, about 15 km north ofToruń, Poland. It houses two single-dishantennatelescopes, 32 metres and 15 metres indiameter, as well as the largest Polish optical telescope – 90 cm Schmidt-Cassegrain camera. The facility is operated by theNicolaus Copernicus University. Also, photometry using 60 cm Cassegrain telescope is made and radio measurements of the Sun at 127 MHz frequency have been recorded on a daily basis since 1958 using a 23 m interferometer.
Since 1981 the observatory has been a part of worldwide network ofradio telescopes participating inVLBI (Very Long Baseline Interferometry). The 32 m telescope is a 620-ton construction designed by Zygmunt Bujakowski based on initial geometric parameters created by Dr Jerzy Usowicz. It is used inVLBI experiments, as well as spectroscopic, flux, polarisation measurements andpulsar observations. Currently receivers for frequencies 1.4–1.8 GHz, 5 GHz, 6.5 GHz, 10.8 GHz and 30 GHz are in use.
The 15 m telescope is used for training students of theNicolaus Copernicus University.
The observatory's role as aVLBI station is unique in central/eastern Europe. International collaboration and involvement in various European research projects is the major activity of this department. The research concentrates on observations and theoretical interpretation of physical processes in compact active regions ofradio galaxies andquasars,observational cosmology, the timing ofpulsars, the search for newplanetary systems andSolar System studies. In addition, the development of instrumentation for radio astronomy (ultra low noise receivers,spectrometers,frequency converters, digital electronics, control systems) is also a significant part of activities in the observatory. From 1997 to 2019, the Department of Radio Astronomy was a part of what was known in publications as theToruń Centre for Astronomy,[2] at the Faculty of Physics, Astronomy and Applied Informatics of theNicolaus Copernicus University in Toruń. From 1998, the department undertook the additional function of a National Facility with a major aims of serving Polishastronomers and emphasizing international cooperation.
Reorganisation of the university in the context of the 2018–2019Law on higher education and science (Poland) [pl] led to the closing of the administrative structures of the Department of Radio Astronomy and the Department of Astronomy and Astrophysics. The astronomy research centre, without substructures, was recreated as the Institute of Astronomy[1]: 6 starting on 1 October 2019.
Transit Timing Variation (TTV), a variation on the transit method, was used to discover an exoplanetWASP-3c byRozhen Observatory,Jena Observatory, and Toruń Centre for Astronomy.[3]