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Dynamical Love Number kd2, Secular and Seasonal Variations of Coefficient J2 of Geopotential from Analysis of Laser Observations of Satellites Lageos-1, 2 of 1988-2003

G. Krasinsky

Transactions of IAA RAS, issue 20, 250–254 (2009)

Keywords: радиоинтерферометрия со сверхдлинными базами, динамическое число Лава k, коэффициент J геопотенциала, вековая и сезонная вариации, амплитуды годичной и полугодичной вариаций, спутник Лагеос-1, спутник Лагеос-2, лазерные измерения дальности спутников

Abstract

From analysis of laser measurements of distances to the satellites Lageos-1 (1988-2003) and Lageos-2 (1992-2003) the estimate of the dynamical Love number k (the scaling factor of near-diurnal variations of harmonics c, s caused by the Earth fluid core) is obtained: kd2 = 0.0613 ± 0.0013, which is in a good accordance wih its theoretical value. The estimates of the secular rate of the coefficient J of geopotential as well as the amplitudes and phases of the annual and semiannual oscillations of J are also derived

Citation

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G. Krasinsky. Dynamical Love Number kd2, Secular and Seasonal Variations of Coefficient J2 of Geopotential from Analysis of Laser Observations of Satellites Lageos-1, 2 of 1988-2003 // Transactions of IAA RAS. — 2009. — Issue 20. — P. 250–254. @article{krasinsky2009, abstract = {From analysis of laser measurements of distances to the satellites Lageos-1 (1988-2003) and Lageos-2 (1992-2003) the estimate of the dynamical Love number k (the scaling factor of near-diurnal variations of harmonics c, s caused by the Earth fluid core) is obtained: kd2 = 0.0613 ± 0.0013, which is in a good accordance wih its theoretical value. The estimates of the secular rate of the coefficient J of geopotential as well as the amplitudes and phases of the annual and semiannual oscillations of J are also derived}, author = {G. Krasinsky}, issue = {20}, journal = {Transactions of IAA RAS}, keyword = {радиоинтерферометрия со сверхдлинными базами, динамическое число Лава k, коэффициент J геопотенциала, вековая и сезонная вариации, амплитуды годичной и полугодичной вариаций, спутник Лагеос-1, спутник Лагеос-2, лазерные измерения дальности спутников}, pages = {250--254}, title = {Dynamical Love Number kd2, Secular and Seasonal Variations of Coefficient J2 of Geopotential from Analysis of Laser Observations of Satellites Lageos-1, 2 of 1988-2003}, url = {http://iaaras.ru/en/library/paper/633/}, year = {2009} } TY - JOUR TI - Dynamical Love Number kd2, Secular and Seasonal Variations of Coefficient J2 of Geopotential from Analysis of Laser Observations of Satellites Lageos-1, 2 of 1988-2003 AU - Krasinsky, G. PY - 2009 T2 - Transactions of IAA RAS IS - 20 SP - 250 AB - From analysis of laser measurements of distances to the satellites Lageos-1 (1988-2003) and Lageos-2 (1992-2003) the estimate of the dynamical Love number k (the scaling factor of near-diurnal variations of harmonics c, s caused by the Earth fluid core) is obtained: kd2 = 0.0613 ± 0.0013, which is in a good accordance wih its theoretical value. The estimates of the secular rate of the coefficient J of geopotential as well as the amplitudes and phases of the annual and semiannual oscillations of J are also derived UR - http://iaaras.ru/en/library/paper/633/ ER -