BDA PROTOTYPE OF 5 ELEMENTS AT INPE SJC. … ... – Pune India 3.Neuron Ltd. ‐São José dos...
Transcript of BDA PROTOTYPE OF 5 ELEMENTS AT INPE SJC. … ... – Pune India 3.Neuron Ltd. ‐São José dos...
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BDA PROTOTYPE OF 5 ELEMENTS AT INPE‐SJC. CAMPUS
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Valley in Chchoeira Paulista selecting “T”array site, Prof. G. Swarup, Director GMRT – India Dr. H.S. Sawant - INPEand Dr. Hari Om Vats – PRL - India discussing with civil engineer on 13th September 1997.
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Visit of Indian Consulate to
BDA 5 ELEMENTS SHIFTED TO FINAL SITE OF BDA AT CACHOEIRA PAULISTA
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DISTRIBUTION OF RADIOHELIOGRAPHS IN THE WORLD.
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Location: INPE’s campus at Cachoeira Paulista(Longitude 45o 0’ 20’’ W Latitude 22o 41’ 19’’ S).
Configuration: “T” shaped array consisting of 38 parabolic antennasof 4 m diameter, with the longest baseline of about of 2.3 km (East-West) and 1.2 km (South). The central portion have 26 antennasdistributed in a compact “T”, with base lines up to 252 m (E-W) and162 m (S).
Spatial and time resolutions: < 10 sec of arc at 5.6 GHz and100 ms.
Frequency: 1.2 - 1.7, 2.8 and 5.6 GHz.
Sensitivity: 3 mJy at 21 cm for a system temperature of 50 K, usinglow–noise amplifiers.
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Institutes:1.National Institute for Space Research – INPE:2.Astrophysics Division (DAS)3.Laboratory of Applied Computation (LAC)4.Aeroespace Electronic Division (DEA)5.Laboratory of Integration and Tests (LIT)6.Catholic University of Minas Gerais (PUC‐MG)7.Center of Radio Astronomy – Mackenzie (CRAAM) – INPE8.Tata Institute of Fundamental Research (TIFR) – GMRT – NCRA ‐ India9.Indian Institute of Astrophysics (IIA) – Bangalore, India10.University of California ‐ Berkeley (UCB), Dept. of Radioastrophysics, USA11.New Jersey Institute of Technology (NJIT), USA12. Physical Research Laboratory, Ahemedabad, India
Industries/Companies:1.Centro de Pesquisa Renato Archer ‐ CENPRA ‐ ‐ Campinas2.Intelligent Motion Technology, IMT‐ LTd. – Pune India3.Neuron Ltd. ‐ São José dos Capos ‐ Brazil4.UC GRAÇA – São José dos Campos ‐ Brazil.5.F4R FIBRA PARA RADIO – Campinas6.Two micro‐companies Eletronics / Electrical
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BDA International Advisory Committee
Dr. M. Chamon – INPEProf. S. S. Hasan – IIA - India
Prof. W. J. Welch - Univ. Cal. – Berkeley – USAProf. D. E. Gary - NJIT – USA
Dr. G. J. Hurford - Univ. Cal. – Berkeley – USAProf. A. Pramesh Rao - NCRA – Pune – India
Dr. R. Ramesh – IIA - IndiaProf. Z. Abraham - USP –IAG - Brazil
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1.Prof.Govind Swarup2.Prof.Anantha Krishnan3.Prof.A.Pramesh rao4 Prof.Jayram Chengalur5.Prof.P.K.Manoharan6.Eng.Shankararaman7.Dr.Sandeep8.Prof. Siraj .Hasan9.Prof. K.R.Subramanian (4)10.Prof.Vinod Krishan
11.Eng.M.S.Sundararajan12.Prof.R.Ramesh13.Dr.Ebenezer14.Prof.Som Krishan IISC.,15.Prof.Hari om Vats PRL16.Prof.Janardhan17.Dr.Umesh Joshi18.Dr.Nanditha Srivatsav19.Eng.Abhay Joshi ( 4 )21.Eng.Shrijkanth Bhanu
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1.Dr. Angelo Neri (2)2. Prof.Saito3. Dr. Claudio Faria4. Dr. Felipe Madsen ‐ One Ph.D (2) 5. Dr. J.R Cecatto6. Ms. Andrade Maria Con (2)7. Prof.Jacquim E.r.Costa8. Prof. Ferandes Cr. Fernandes9. Dr. Claudemir JDS Silva
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Nobeyama 17 GHz BDA “Dirty” Image BDA “Clean” Image
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BDA will produce high spatial and time resolution images of radiosources with high dynamic range.
BDA will provide solar radio images in the lower corona whereenergy release to solar flare takes place, their analysis will lead tobetter understanding of the fundamental problems in solar physics andalso will be used, in a spectral tomography technique being developedfor application to space weather forecasting.
BDA will be very useful for galactic and extra‐galactic investigationsof the southern sky not accessible to VLA.
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currents induced in power grids spacecraft detector upsets hazards to humans in space ozone depletion in major events speculated climate impacts aurora spacecraft drag, collisions, loss communications & navigation
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Coronal holes are important large‐scalestructures on the Sun, which produce high‐speed solar wind streams (HSS).Interaction of Solar Wind with magnetosphere produces Geomagnetic storms that are known forfor producing MeV electrons in Earth’s magnetosphere. These electrons can be hazardous to satellites and astronautsin the space, and hence important for space weather prediction.
BDA can observe the coronal holesat multi frequenies.
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