TY - JOUR
T1 - Test of the Gravitational Redshift with Galileo Satellites in an Eccentric Orbit
AU - Herrmann, Sven
AU - Finke, Felix
AU - Lülf, Martin
AU - Kichakova, Olga
AU - Puetzfeld, Dirk
AU - Knickmann, Daniela
AU - List, Meike
AU - Rievers, Benny
AU - Giorgi, Gabriele
AU - Günther, Christoph
AU - Dittus, Hansjörg
AU - Prieto-Cerdeira, Roberto
AU - Dilssner, Florian
AU - Gonzalez, Francisco
AU - Schönemann, Erik
AU - Ventura-Traveset, Javier
AU - Lämmerzahl, Claus
N1 - Publisher Copyright:
© 2018 American Physical Society.
PY - 2018/12/4
Y1 - 2018/12/4
N2 - On August 22, 2014, the satellites GSAT-0201 and GSAT-0202 of the European GNSS Galileo were unintentionally launched into eccentric orbits. Unexpectedly, this has become a fortunate scientific opportunity since the onboard hydrogen masers allow for a sensitive test of the redshift predicted by the theory of general relativity. In the present Letter, we describe an analysis of approximately three years of data from these satellites including three different clocks. For one of these, we determine the test parameter quantifying a potential violation of the combined effects of the gravitational redshift and the relativistic Doppler shift. The uncertainty of our result is reduced by more than a factor 4 as compared to the values of Gravity Probe A obtained in 1976.
AB - On August 22, 2014, the satellites GSAT-0201 and GSAT-0202 of the European GNSS Galileo were unintentionally launched into eccentric orbits. Unexpectedly, this has become a fortunate scientific opportunity since the onboard hydrogen masers allow for a sensitive test of the redshift predicted by the theory of general relativity. In the present Letter, we describe an analysis of approximately three years of data from these satellites including three different clocks. For one of these, we determine the test parameter quantifying a potential violation of the combined effects of the gravitational redshift and the relativistic Doppler shift. The uncertainty of our result is reduced by more than a factor 4 as compared to the values of Gravity Probe A obtained in 1976.
UR - https://www.scopus.com/pages/publications/85057768853
U2 - 10.1103/PhysRevLett.121.231102
DO - 10.1103/PhysRevLett.121.231102
M3 - Article
C2 - 30576165
AN - SCOPUS:85057768853
SN - 0031-9007
VL - 121
JO - Physical Review Letters
JF - Physical Review Letters
IS - 23
M1 - 231102
ER -