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  1. No Access

    Article

    Radar Images of Permanently Shadowed Regions at the South Pole of the Moon

    The paper presents new detailed radar maps and polarimetric data covering the southern polar region of the near side of the Moon measuring 400 × 800 km with a spatial resolution of about 75 m. The data were ob...

    Yu. S. Bondarenko, D. A. Marshalov, B. M. Zinkovsky… in Solar System Research (2024)

  2. No Access

    Article

    Radar Images of the Candidate Spacecraft Landing Sites on the Moon

    We present new radar images and polarimetric data for the candidate landing sites of the Russian Luna-25 spacecraft near the Manzinus and Boguslawsky craters in the south polar region of the Moon. The images w...

    Yu. S. Bondarenko, D. A. Marshalov, B. M. Zinkovsky, A. G. Mikhailov in Astronomy Letters (2024)

  3. No Access

    Article

    Physical Parameters of the Asteroid 2017 VR12 from Radar and Photometric Observations

    Results of radar and photometric observations of the asteroid 2017 VR12 are presented. The observations were carried out during the asteroid’s close approach to the Earth in 2018 on March 5 with 32-m radio tel...

    Yu. S. Bondarenko, D. A. Marshalov, Yu. D. Medvedev, G. I. Kornienko… in Astronomy Letters (2019)

  4. No Access

    Article

    A Complex for Carrying Out Radar Observations of Near-Earth Objects

    The Institute of Applied Astronomy of the Russian Academy of Sciences and the Goldstone Deep Space Communications Complex regularly conduct intercontinental radar observations of near-Earth objects using a 70-...

    D. A. Marshalov, Yu. S. Bondarenko… in Instruments and Experimental Techniques (2018)

  5. No Access

    Article

    Russian-Cuban Colocation Station for Radio Astronomical Observation and Monitoring of Near-Earth Space

    The article presents the main possibilities of using the projected Russian-Cuban geodynamic colocation station on the basis of the Institute of Geophysics and Astronomy of the Ministry of Science, Technology a...

    D. V. Ivanov, M.-R. Uratsuka, A. V. Ipatov, D. A. Marshalov… in Astrophysical Bulletin (2018)

  6. No Access

    Article

    Radar observations of the asteroid 2011 UW158

    In July 2015 intercontinental bistatic radar observations of the potentially dangerous asteroid 2011 UW158 during its close approach to the Earth were carried out. The asteroid was illuminated at a frequency o...

    A. V. Ipatov, Yu. S. Bondarenko, Yu. D. Medvedev, N. A. Mishina… in Astronomy Letters (2016)

  7. No Access

    Article

    Results of testing a radio interferometer with digital signal processing in a 400-MHz band

    Results of testing the astronomical radio interferometer at the Svetloe-Zelenchukskaya observatory using digital signal processing channels with 400-MHz bands are presented. Observation data were recorded in t...

    L. V. Fedotov, N. E. Kol’tsov, D. A. Marshalov… in Instruments and Experimental Techniques (2014)

  8. No Access

    Article

    A data acquisition system of the S/X-wave range of the radio interferometer for the universal time on-line monitoring

    A system is intended for equip** radio telescopes with antennas of small (12–13 m) diameters, used in the very long baseline interferometers (VLBIs), including universal time on-line monitoring interferomete...

    L. V. Fedotov, N. E. Kol’tsov, D. A. Marshalov… in Instruments and Experimental Techniques (2013)

  9. No Access

    Article

    Signal amplification and frequency-conversion units for radioastronomical receivers

    Broadband amplification and signal-frequency-conversion units with built-in heterodynes have been developed for radioastronomical receivers in wavelengths ranges of 3.5/13 and 6 cm. The use of such units allow...

    N. E. Koltsov, D. A. Marshalov, V. V. Mardyshkin… in Instruments and Experimental Techniques (2011)