Zobrazeno 1 - 10
of 41
pro vyhledávání: '"Mccallum, Lucia"'
This paper introduces a new instrument enabling a novel combination of Earth measuring techniques: direct observations with the radio astronomical instruments to satellites of the global navigation satellite systems. Inter-technique biases are a majo
Externí odkaz:
http://arxiv.org/abs/2412.07020
Publikováno v:
Journal of Geodetic Science, Vol 14, Iss 1, Pp 47-6131 (2024)
Externí odkaz:
https://doaj.org/article/bc7ef574f5494608a73eaeb82c2d881d
Autor:
Schunck, David1 (AUTHOR) david.schunck@utas.edu.au, McCallum, Lucia1 (AUTHOR), Molera Calvés, Guifré1 (AUTHOR)
Publikováno v:
Remote Sensing. Sep2024, Vol. 16 Issue 17, p3234. 21p.
Autor:
Titov, Oleg, Lambert, Sebastien, Soja, Benedikt, Shu, Fengchun, Melnikov, Alexei, McCallum, Jamie, McCallum, Lucia, Schartner, Matthias, de Witt, Aletha, Ivanov, Dmitrii, Mikhailov, Andrei, Yi, Sang Oh, Chen, Wen, Xia, Bo, Ishigaki, Masafumi, Gulyaev, Sergei, Natusch, Tim, Weston, Stuart
Geodetic Very Long Baseline Interferometry (VLBI) data are capable of measuring the light deflection caused by the gravitational field of the Sun and large planets with high accuracy. The parameter $\gamma$ of the parametrized Post-Newtonian (PPN) fo
Externí odkaz:
http://arxiv.org/abs/1908.00973
Autor:
Titov, Oleg, Girdiuk, Anastasiia, Lambert, Sebastien, Lovell, Jim, McCallum, Jamie, Shabala, Stas, McCallum, Lucia, Mayer, David, Schartner, Matthias, de Witt, Aletta, Shu, Fengchun, Melnikov, Alexei, Ivanov, Dmitrii, Mikhailov, Andrei, Yi, Sangoh, Soja, Benedikt, Xia, Bo, Jiang, T
Publikováno v:
A&A 618, A8 (2018)
Context. We highlight the capabilities of the geodetic VLBI technique to test General relativity in the classical astrometric style, i.e., measuring the deflection of light in the vicinity of the Sun. Aims. In previous studies, the parameter was esti
Externí odkaz:
http://arxiv.org/abs/1806.11299
Autor:
Böhm, Johannes, Böhm, Sigrid, Boisits, Janina, Girdiuk, Anastasiia, Gruber, Jakob, Hellerschmied, Andreas, Krásná, Hana, Landskron, Daniel, Madzak, Matthias, Mayer, David, McCallum, Jamie, McCallum, Lucia, Schartner, Matthias, Teke, Kamil
Publikováno v:
Publications of the Astronomical Society of the Pacific, 2018 Apr 01. 130(986), 1-6.
Externí odkaz:
https://www.jstor.org/stable/26660575
Autor:
Sun, Jing, Tang, Geshi, Shu, Fengchun, Li, Xie, Liu, Shushi, Cao, Jianfeng, Hellerschmied, Andreas, Böhm, Johannes, McCallum, Lucia, McCallum, Jamie, Lovell, Jim, Haas, Rüdiger, Neidhardt, Alexander, Lu, Weitao, Han, Songtao, Ren, Tianpeng, Chen, Lue, Wang, Mei, Ping, Jinsong
Publikováno v:
In Advances in Space Research 1 February 2018 61(3):823-829
The current realization of the International Celestial Reference Frame at 8.4 GHz, the ICRF3-SX, is computed from Very Long Baseline Interferometry measurements starting in 1979 until March 2018. The concentration of the majority of VLBI telescopes i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::103df87c7a1e2273f33c63ab5db2ade7
Autor:
Böhm, Sigrid, McCallum, Lucia
In principle, we can use geodetic Very Long Baseline Interferometry (VLBI) measurements to calculate all types of Earth orientation parameters (EOP), namely celestial pole offsets, polar motion, and UT1-UTC. However, the sensitivity toward the single
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::60c250138ecceec6aa64f8bc5701d33b
Autor:
McCallum, Lucia
VLBI satellite tracking is a popular topic in geodesy at the moment. Attributed with the potential to solve the pending problem of inter-technique frame ties, the prospect of success provides the impetus of ongoing research in that area. Very Long Ba
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2bdfd2a811be569cf0c6d18ff0e8f0c7