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2 results on '"smallsized radio telescope"'

1. ASTROPHYSICAL STUDIES WITH SMALL LOW-FREQUENCY RADIO TELESCOPES OF NEW GENERATION

Author

A. A. Konovalenko, S. M. Yerin, I. M. Bubnov, P. L. Tokarsky, V. V. Zakharenko, O. M. Ulyanov, M. A. Sidorchuk, S. V. Stepkin, A. O. Gridin, G. V. Kvasov, V. L. Koliadin, V. M. Melnik, V. V. Dorovskyy, M. M. Kalinichenko, G. V. Litvinenko, P. Zarka, L. Denis, J. Girard, H. O. Rucker, M. Panchenko, A. A. Stanislavsky, O. D. Khristenko, D. V. Mukha, O. M. Reznichenko, V. M. Lisachenko, V. V. Bortsov, A. I. Brazhenko, I. Y. Vasylieva, A. O. Skoryk, A. I. Shevtsova, and K. Y. Mylostna

Subjects
astrophysics, decameter and meter radio waves, smallsized radio telescope, Astronomy, QB1-991
Abstract

Purpose: define and theoretically substantiate the range of astrophysical problems that may be efficiently solved using small antenna arrays. Design/methodology/approach: Observation parameters and configurations of a set of small antenna arrays included in the future Giant Ukrainian radio telescope, have been derived based on the theoretical analysis and scientific results obtained by UTR-2 and URAN radio telescopes. Results: We have proved that a wide scope of problems can be efficiently solved by small low-frequency antenna arrays, ranging from Solar studies to the search for cosmological effects associated with neutral hydrogen spectral line in the early Universe at high red shifts. For each study program, we have calculated the desired observation parameters (integration time, time and frequency resolutions), indicated the required antenna configurations and operating modes (interferometric or additive). Conclusions: We have shown that at the construction stage of the Giant Ukrainian radio telescope and gradual commissioning of its new sections, we can solve a number of important astrophysical problems. As the new sections are being added, the observation techniques and data processing methods will constantly be improving.

Published
2016
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2. Astrophysical Studies with Small Low-Frequency Radio Telescopes of New Generation

Author

D. V. Mukha, Serge Yerin, A. A. Konovalenko, M. M. Kalinichenko, O. M. Ulyanov, Peter L. Tokarsky, V. Bortsov, S. V. Stepkin, V. L. Koliadin, O. M. Reznichenko, Mykhaylo Panchenko, I. Y. Vasylieva, G. Kvasov, V. Lisachenko, A. I. Brazhenko, A. O. Skoryk, V. M. Melnik, A. O. Gridin, Loïc Denis, A. I. Shevtsova, I. M. Bubnov, K. Mylostna, Julien N. Girard, O. D. Khristenko, Aleksander Stanislavsky, M. A. Sidorchuk, H. O. Rucker, V. V. Dorovskyy, V. V. Zakharenko, P. Zarka, G. Litvinenko, Institute of Radio Astronomy of NASU [Kharkiv] (IRA), National Academy of Sciences of Ukraine (NASU), Laboratoire d'études spatiales et d'instrumentation en astrophysique (LESIA), Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Unité Scientifique de la Station de Nançay (USN), Centre National de la Recherche Scientifique (CNRS)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire des Sciences de l'Univers en région Centre (OSUC), Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université d'Orléans (UO)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université d'Orléans (UO)-Centre National de la Recherche Scientifique (CNRS)-Université d'Orléans (UO), Space Research Institute of Austrian Academy of Sciences (IWF), Austrian Academy of Sciences (OeAW), Main Astronomical Observatory of NAS of Ukraine (MAO), Observatoire des Sciences de l'Univers en région Centre (OSUC), and Université Paris sciences et lettres (PSL)-Université d'Orléans (UO)-Centre National de la Recherche Scientifique (CNRS)

Subjects
Physics, decameter and meter radio waves, 010504 meteorology & atmospheric sciences, Physics and Astronomy (miscellaneous), astrophysics, smallsized radio telescope, [SDU.ASTR]Sciences of the Universe [physics]/Astrophysics [astro-ph], lcsh:Astronomy, Astrophysics::Instrumentation and Methods for Astrophysics, Astronomy, Astronomy and Astrophysics, Astrophysics, Low frequency, 01 natural sciences, Radio telescope, lcsh:QB1-991, Space and Planetary Science, [SDU]Sciences of the Universe [physics], 0103 physical sciences, Very-long-baseline interferometry, Electrical and Electronic Engineering, 010303 astronomy & astrophysics, ComputingMilieux_MISCELLANEOUS, 0105 earth and related environmental sciences
Abstract

Purpose: define and theoretically substantiate the range of astrophysical problems that may be efficiently solved using small antenna arrays. Design/methodology/approach: Observation parameters and configurations of a set of small antenna arrays included in the future Giant Ukrainian radio telescope, have been derived based on the theoretical analysis and scientific results obtained by UTR-2 and URAN radio telescopes. Results: We have proved that a wide scope of problems can be efficiently solved by small low-frequency antenna arrays, ranging from Solar studies to the search for cosmological effects associated with neutral hydrogen spectral line in the early Universe at high red shifts. For each study program, we have calculated the desired observation parameters (integration time, time and frequency resolutions), indicated the required antenna configurations and operating modes (interferometric or additive). Conclusions: We have shown that at the construction stage of the Giant Ukrainian radio telescope and gradual commissioning of its new sections, we can solve a number of important astrophysical problems. As the new sections are being added, the observation techniques and data processing methods will constantly be improving.

Published
2016

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