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  • Litvinov, D. A.Russian Academy of Sciences,M. V. Lomonosov Moscow State University (author)

RadioAstron gravitational redshift experiment: Status update

  • Article/chapterEnglish2018

Publisher, publication year, extent ...

  • 2017-11-16
  • WORLD SCIENTIFIC,2018

Numbers

  • LIBRIS-ID:oai:research.chalmers.se:714d4d56-d6ec-4b15-843f-b974a943ac25
  • https://research.chalmers.se/publication/507680URI
  • https://doi.org/10.1142/9789813226609_0463DOI

Supplementary language notes

  • Language:English
  • Summary in:English

Part of subdatabase

Classification

  • Subject category:kon swepub-publicationtype
  • Subject category:ref swepub-contenttype

Notes

  • A test of a cornerstone of general relativity, the gravitational redshift effect, is currently being conducted with the RadioAstron spacecraft, which is on a highly eccentric orbit around Earth. Using ground radio telescopes to record the spacecraft signal, synchronized to its ultra-stable on-board H-maser, we can probe the varying flow of time on board with unprecedented accuracy. The observations performed so far, currently being analyzed, have already allowed us to measure the effect with a relative accuracy of 4 × 10−4. We expect to reach 2.5 × 10−5 with additional observations in 2016, an improvement of almost a magnitude over the 40-year old result of the GP-A mission.

Subject headings and genre

Added entries (persons, corporate bodies, meetings, titles ...)

  • Bach, U.Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG) (author)
  • Bartel, NorbertYork University (author)
  • Belousov, K. G.Russian Academy of Sciences (author)
  • Bietenholz, M.Hartebeeshoek Radio Astronomy Observatory,York University (author)
  • Biriukov, A. V.Russian Academy of Sciences (author)
  • Cimo, G.Joint Institute for VLBI in Europe (JIVE),Netherlands Institute for Radio Astronomy (ASTRON) (author)
  • Duev, DmitryM. V. Lomonosov Moscow State University,California Institute of Technology (Caltech) (author)
  • Gurvits, L. I.Technische Universiteit Delft,Delft University of Technology (TU Delft),Joint Institute for VLBI in Europe (JIVE) (author)
  • Gusev, A. V.M. V. Lomonosov Moscow State University (author)
  • Haas, Rüdiger,1966Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)rudiger (author)
  • Kauts, V. L.Bauman Moscow State Technical University,Russian Academy of Sciences (author)
  • Kanevsky, B. Z.Russian Academy of Sciences (author)
  • Kovalenko, A. V. (author)
  • Kronschnabl, G.Bundesamt für Kartographie und Geodäsie (BKG),Federal Agency for Cartography and Geodesy (BKG) (author)
  • Kulagin, V. V.M. V. Lomonosov Moscow State University (author)
  • Lindqvist, Michael,1960Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)mlq (author)
  • Calves, G. M.Aalto-Yliopisto,Aalto University,Joint Institute for VLBI in Europe (JIVE) (author)
  • Neidhardt, AlexanderTechnische Universität München (TUM),Technical University of Munich (TUM) (author)
  • Plötz, C.Bundesamt für Kartographie und Geodäsie (BKG),Federal Agency for Cartography and Geodesy (BKG) (author)
  • Pogrebenko, SergeiJoint Institute for VLBI in Europe (JIVE) (author)
  • Porayko, N. K.M. V. Lomonosov Moscow State University,Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG) (author)
  • Rudenko, V. N.M. V. Lomonosov Moscow State University (author)
  • Smirnov, A. I.Russian Academy of Sciences (author)
  • Sokolovsky, K. V.National Observatory of Athens,M. V. Lomonosov Moscow State University,Russian Academy of Sciences (author)
  • Stepanyants, V. A.Russian Academy of Sciences (author)
  • Yang, Jun,1979Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)junya (author)
  • Zakhvatkin, M. V.Russian Academy of Sciences (author)
  • Russian Academy of SciencesM. V. Lomonosov Moscow State University (creator_code:org_t)

Related titles

  • In:14th Marcel Grossman Meeting On Recent Developments in Theoretical and Experimental General Relativity, Astrophysics and Relativistic Field Theories, Proceedings: WORLD SCIENTIFIC, s. 3569-35759789813226593

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