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## “RadioAstron” space radio telescope and interferometer: technical solutions and operational experience

Transactions of IAA RAS, issue 47, 31–37 (2018)

Keywords: ground-space VLBI, “Spectr-R”, space dio telescope, RadioAstron, antenna parameters, on-board science complex, data acqusation and recording system, on-board active hydrogen maser.

### Abstract

The ground-space interferometer "RadioAstron" observes quasars, galactic nuclei, cosmic masers and pulsars with the highest angular resolution at decimeter and centimeter wave lengths. To date, the record breaking angular resolution of 8 microarcseconds has been achieved at 1.35 cm. The 3 years long life time requirement is exeeded by more than 2 times. The international ground-space observatory “RadioAstron” has been created, it includes the Space Radio Telescope (SRT) “Spektr-R” and more than 60 ground telescopes. Thanks to its successful operations, new important scientific discoveries are made. Ground facilities alone are not capable to address such problems. Main technical parameters and the current status of the SRT after 7 years of its operations are discussed and summarized.

### Citation

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N. S. Kardashev, K. G. Belousov, A. V. Biryukov, V. I. Vasilkov, B. Z. Kanevsky, Yu. A. Kovalev, Y. Y. Kovalev, A. V. Kovalenko, V. N. Lukash, B. S. Novikov, A. I. Smirnov, S. D. Fedorchuk. “RadioAstron” space radio telescope and interferometer: technical solutions and operational experience // Transactions of IAA RAS. — 2018. — Issue 47. — P. 31–37. @article{kardashev2018, abstract = {The ground-space interferometer "RadioAstron" observes quasars, galactic nuclei, cosmic masers and pulsars with the highest angular resolution at decimeter and centimeter wave lengths. To date, the record breaking angular resolution of 8 microarcseconds has been achieved at 1.35 cm. The 3 years long life time requirement is exeeded by more than 2 times. The international ground-space observatory “RadioAstron” has been created, it includes the Space Radio Telescope (SRT) “Spektr-R” and more than 60 ground telescopes. Thanks to its successful operations, new important scientific discoveries are made. Ground facilities alone are not capable to address such problems. Main technical parameters and the current status of the SRT after 7 years of its operations are discussed and summarized.}, author = {N.~S. Kardashev and K.~G. Belousov and A.~V. Biryukov and V.~I. Vasilkov and B.~Z. Kanevsky and Yu.~A. Kovalev and Y.~Y. Kovalev and A.~V. Kovalenko and V.~N. Lukash and B.~S. Novikov and A.~I. Smirnov and S.~D. Fedorchuk}, doi = {10.32876/ApplAstron.47.31-37}, issue = {47}, journal = {Transactions of IAA RAS}, keyword = {ground-space VLBI, “Spectr-R”, space dio telescope, RadioAstron, antenna parameters, on-board science complex, data acqusation and recording system, on-board active hydrogen maser}, pages = {31--37}, title = {“RadioAstron” space radio telescope and interferometer: technical solutions and operational experience}, url = {http://iaaras.ru/en/library/paper/1890/}, year = {2018} } TY - JOUR TI - “RadioAstron” space radio telescope and interferometer: technical solutions and operational experience AU - Kardashev, N. S. AU - Belousov, K. G. AU - Biryukov, A. V. AU - Vasilkov, V. I. AU - Kanevsky, B. Z. AU - Kovalev, Yu. A. AU - Kovalev, Y. Y. AU - Kovalenko, A. V. AU - Lukash, V. N. AU - Novikov, B. S. AU - Smirnov, A. I. AU - Fedorchuk, S. D. PY - 2018 T2 - Transactions of IAA RAS IS - 47 SP - 31 AB - The ground-space interferometer "RadioAstron" observes quasars, galactic nuclei, cosmic masers and pulsars with the highest angular resolution at decimeter and centimeter wave lengths. To date, the record breaking angular resolution of 8 microarcseconds has been achieved at 1.35 cm. The 3 years long life time requirement is exeeded by more than 2 times. The international ground-space observatory “RadioAstron” has been created, it includes the Space Radio Telescope (SRT) “Spektr-R” and more than 60 ground telescopes. Thanks to its successful operations, new important scientific discoveries are made. Ground facilities alone are not capable to address such problems. Main technical parameters and the current status of the SRT after 7 years of its operations are discussed and summarized. DO - 10.32876/ApplAstron.47.31-37 UR - http://iaaras.ru/en/library/paper/1890/ ER -