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Institute of Astronomy ETH Zurich

Institute of Astronomy ETH Zurich. „The e-Callisto network…“, Presentation of instruments and first lights. Christian A. Monstein Institute of Astronomy Wolfgang-Pauli-Strasse 27 8093 Zürich Switzerland. Solar Instruments. Callisto as ETH - contribution to IHY2007 and ISWI

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Institute of Astronomy ETH Zurich

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  1. Institute of Astronomy ETH Zurich „The e-Callisto network…“, Presentation of instruments and first lights Christian A. Monstein Institute of Astronomy Wolfgang-Pauli-Strasse 27 8093 Zürich Switzerland

  2. Solar Instruments • Callisto as ETH - contribution to IHY2007 and ISWI Compound Astronomical Low cost Low frequency Instrument for Spectroscopy and Transportable Observatory

  3. Specification Callisto ParameterSpecification Frequency range 45.0 MHz … 870.0 MHz (in 3 sub-bands) any other range, using heterodyne/homodyne converters Frequency resolution 62.5 KHz Radiometric bandwidth 300 KHz @ -3dB Dynamic range > 50 dB Detector gain 25 mV/dB +/-1mV/dB Noise figure < 10 dB Measuring rate 800 samples/sec max. Number of channels 1…400, nominal 200 frequencies per sweep Power consumption 12 V +/- 2 V / ~225 mA (2.7 Watt) Weight ~ 1 kg Dimensions 110 mm x 80 mm x 205 mm Material cost < 200 € Inputs 4 configuration files (config, frequency, scheduler, calibr.) Outputs 3 files (1 x FITS-file per 15 minutes, logfile, light curve file)

  4. 24h of observation Ondrejov CZ Badary, Russia Humain Belgium San Jose Costa Rica Metsähovi, Finland Birr, Ireland South Korea Mongolia Gauribi- danur Zürich+Bleien Switzerland Ooty, India Brazil Mexico Mauritius

  5. Callisto #1 Bleien Switzerland Top: Antenna attached to the dish Top right: Meter wave spectrum of type III Bottom right: PCB Callisto

  6. Callisto #2 Zurich Switzerland Antenna at sun tower of Zurich observatory Decimetric spectrum captured by Callisto on 26th of April 2003

  7. Callisto #4 Ootacamund, India Left: Self built antenna. Right: Operator at the Institute of Radio astronomy and Nuclear Physics, Tamil Nadu in Ooty India

  8. Callisto #4 Ootacamund, India Astronomical outcome, first light Gastronomic highlight

  9. Callisto #4 Gauribidanur, India Left: Self built antenna. Right V. C. Kathirvaran at Indian Institute of Astrophysics Gauribidanur / Bangalore

  10. Callisto #5 Gauribidanur, India Astronomical outcome, first light. A type II flare with herringbones and harmonics Gastronomic highlight

  11. Callisto #6 Badary / SiberiaRussian Federation Antenna farm at SSRT Antenna attached to dish Sergey and Andrey in Badary/Siberia

  12. Callisto #6 Badary / SiberiaRussian Federation Radio frequency interference Switzerland compared to India and Russia in 2006

  13. Callisto #6 Badary / SiberiaRussian Federation Astronomical outcome, first light. Type II, III, IV flares and microwave pulsations Gastronomic highlight

  14. Callisto #7 Costa Rica Jorge Paez, San Jose de Costa Rica, 7 m parabolic dish Recent data without any solar Signature, only rfi …

  15. Callisto #8 Mexico Recent data without any solar signature but a lot of rfi Alejandro Lara, Mexico logarithmic-periodic antenna

  16. Callisto #9 Deajeon,South Korea Antenna tower of Solar and Space Weather Group of Korea Astronomy and Space Science Institute (KASI) Student Hee-Sun reproducing a Callisto-spectrometer as a semester work in physics.

  17. Callisto #9 Daejeon, South Korea Astronomical outcome, first light Two type II bursts, associated with limb CME of Dec. 31th 2007

  18. Callisto #9 Daejeon, South Korea Just one of the gastronomic highlights

  19. Callisto #10 Humain, Belgium ROB (Royal Observatory of Belgium) Broad band log-per attached to a 4 m dish Hmm, where is this strong rfi coming from…..?

  20. Callisto #10 Humain, Belgium ROB (Royal Observatory of Belgium) Astronomical outcome, first light on December 11th 2008 Gastronomic result…

  21. Callisto #11 Mauritius Self built log-per 20 MHz … 860 MHz and Callisto in air-conditioned receiver room in Bras d'Eau, Poste de Flacq, Mauritius

  22. Callisto #11 Mauritius Astronomical outcome, first light on May 1st 2009 08:08:30 UT. Small group of type III burst. Gastronomic result …

  23. Callisto #12 Ulaan Baatar, Mongolia Callisto and PC in the office of RCAG observatory site Khurel Togoot near Ulaan Baatar, Mongolia Munkhbayar Bazargur and his colleague mounting a Chinese DVB-T - antenna

  24. Callisto #12 Ulaan Baatar, Mongolia Gastronomic result … to be flushed with some beer and vodka… First light from Khurel Togoot, Ulaan Baatar, Mongolia Type III flares and U-burst

  25. Callisto #13 Ireland Birr castle (950 AD) with Lord William Brendan Parsons, 7. Earl of Rosse (left) At present: temporary setup at TCD in Dublin

  26. Callisto #14 Cachoeira Paulista, Brazil Two Callisto for two polarizations and a PC in the office of INPE in Sao Jose Dos Campos. Sawant watching spectra…. Log-per antenna in Cachoeira Paulista between Sao Paulo and Rio de Janeiro.

  27. Callisto #14 Cachoeira Paulista, Brazil Astronomical outcome: First light on March 30th, 2010 at 10:00UT in Cachoira Paulista, a series of type I flares (noise storm) Gastronomic result …

  28. Callisto #15 Ondrejov, Czech Republic “Würzburg Riese”, original 7m dish of 2nd WW. 150 MHz – 870 MHz linear pol. First light at OSRA Type II flare (high frequency part)

  29. Callisto #16 Metsähovi, Finland DVB-T log-per attached to microwave- dish (37 GHz) • Spectral overview shows: • - FM, Military satellites • Schengen-Police-comm. • DVB-T

  30. Callisto #17 - In preparation: Mannheim, Germany: installed, no data yet Perth, Australia: installed, occasionally data Melbourne, Australia: installed, no data yet Ocean View, Hawaii: installed, no data yet Rabat, Morocco in planning phase Further requests from: Turkey, Malaysia, Indonesia, Sardinia, Nancay, Scotland, Kazakhstan and Brittheim Germany.

  31. FITS FITS FITS e-Callisto network NOAA / GOES RHESSI ETHZ DiRaC Once per day a cron-job invokes a PERL script that gets data from every location via the internet. C = Callisto R = Remote A = Access

  32. Publications

  33. And finally http://soleil.i4ds.ch/solarradio/ ETH Zürich Institut of Astronomy Christian Monstein Wolfgang-Pauli-Strasse 27 CH-8093 Zürich monstein@astro.phys.ethz.ch

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