PRECISION MEASUREMENT OF GRAVITATIONAL FREQUENCY SHIFT OF ELECTROMAGNETIC SIGNALS
- Autores: Rudenko V.N.1, Belonenko A.V.1, Gusev A.V.1, Gurin F.S.1, Kulagin V.V.1, Popov S.M.1, Manucharyan G.D.1,2, Zakhvatkin M.V.3, Kovalenko A.V.4
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Afiliações:
- Sternberg State Astronomical Institute, Lomonosov Moscow State University
- Bauman Moscow State Technical University
- Keldysh Institute of Applied Mathematics of the Russian Academy of Sciences
- Lebedev Physical Institute of the Russian Academy of Sciences
- Edição: Volume 166, Nº 5 (2024)
- Páginas: 632-640
- Seção: NUCLEI, PARTICLES, FIELDS, GRAVITY AND ASTROPHYSICS
- URL: https://journal-vniispk.ru/0044-4510/article/view/268672
- DOI: https://doi.org/10.31857/S0044451024110063
- ID: 268672
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Resumo
Communication radio signals between an orbital spacecraft (SC) and a ground tracking station (GTS) experience a frequency shift proportional to the positional difference of their gravitational potentials. The effect constitutes an experimental basis of the general theory of relativity (GR) as one of the aspects of Einstein's equivalence principle (EEP). The article presents the results of precision measurement of the effect using frequency standards placed on the SC and GTS. Data from special “gravitational sessions” of radio communication accumulated during the “RadioAstron” (RA) space radio telescope mission in 2015–2019 were used. Scrupulous analysis of these data allows to confirm the correspondence between theory and experiment with high accuracy: the violation parameter (deviation from GR) was 1.57 ± 3.96 · 10−5.
Sobre autores
V. Rudenko
Sternberg State Astronomical Institute, Lomonosov Moscow State University
Email: valentin.rudenko@gmail.com
Rússia, 119992, Moscow
A. Belonenko
Sternberg State Astronomical Institute, Lomonosov Moscow State University
Email: valentin.rudenko@gmail.com
Rússia, 119992, Moscow
A. Gusev
Sternberg State Astronomical Institute, Lomonosov Moscow State University
Email: valentin.rudenko@gmail.com
Rússia, 119992, Moscow
F. Gurin
Sternberg State Astronomical Institute, Lomonosov Moscow State University
Email: valentin.rudenko@gmail.com
Rússia, 119992, Moscow
V. Kulagin
Sternberg State Astronomical Institute, Lomonosov Moscow State University
Email: valentin.rudenko@gmail.com
Rússia, 119992, Moscow
S. Popov
Sternberg State Astronomical Institute, Lomonosov Moscow State University
Email: valentin.rudenko@gmail.com
Rússia, 119992, Moscow
G. Manucharyan
Sternberg State Astronomical Institute, Lomonosov Moscow State University; Bauman Moscow State Technical University
Email: valentin.rudenko@gmail.com
Rússia, 119992, Moscow; 105005, Moscow
M. Zakhvatkin
Keldysh Institute of Applied Mathematics of the Russian Academy of Sciences
Email: valentin.rudenko@gmail.com
Rússia, 125047, Moscow
A. Kovalenko
Lebedev Physical Institute of the Russian Academy of Sciences
Autor responsável pela correspondência
Email: valentin.rudenko@gmail.com
Rússia, 119991, Moscow
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