Zobrazeno 1 - 10 of 16 pro vyhledávání: '"W. E. Himwich"'
1
IVS Observation of ICRF2-Gaia Transfer Sources
Autor: K. Le Bail, Geraldine Bourda, A. Collioud, Brian E. Corey, W. E. Himwich, Michael Titus, Patrick Charlot, Dan MacMillan, John Gipson, Cynthia C. Thomas, David Gordon, Dirk Behrend, Karen Baver, S. Bolotin
Publikováno v: The Astronomical Journal
The Astronomical Journal, American Astronomical Society, 2016, 151 (3), pp.79. ⟨10.3847/0004-6256/151/3/79⟩
International audience; The second realization of the International Celestial Reference Frame (ICRF2), which is the current fundamental celestial reference frame adopted by the International Astronomical Union, is based on Very Long Baseline Interfer
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cbfe198c446fb122b99d6bdea8acf742
https://hal.archives-ouvertes.fr/hal-01284718
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2
An evaluation of water vapor radiometer data for calibration of the wet path delay in very long baseline interferometry experiments
Autor: C. E. Kuehn, Thomas A. Clark, C. Ma, W. E. Himwich
Publikováno v: Radio Science. 26:1381-1391
The internal consistency of the baseline-length measurements derived from analysis of several independent VLBI experiments is an estimate of the measurement precision. The paper investigates whether the inclusion of water vapor radiometer (WVR) data
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8534455b12fff13ef9240cce42b9b56e
https://doi.org/10.1029/91rs02020
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9
Measurement of horizontal motions in Alaska using very long baseline interferometry
Autor: Chopo Ma, J. W. Ryan, L. J. Bell, W. E. Himwich, Jeanne Sauber, Thomas A. Clark, D. Gordon
Publikováno v: Journal of Geophysical Research. 95:21991
Results are presented on an analysis of VLBI measurements performed between 1984 and 1990 by means of a network of 53 sites in Alaska, the Yukon Territory, and the conterminous United States to determine the extent of horizontal motions in Alaska. Re
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d1f32503ba7500f203e91327bc3323b6
https://doi.org/10.1029/jb095ib13p21991
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10
Direct estimation of nutation coefficients from VLBI data
Autor: W. E. Himwich, E. J. Harder
Publikováno v: Symposium - International Astronomical Union. 128:301-307
Previous analyses of nutation angle errors from Mark III VLBI data have been made by estimating offset corrections to the instantaneous nutation angles from single-day observing sessions. Adjustments to the coefficients of the nutation model were the
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5953c92a85a371006032a7bfa638987f
https://doi.org/10.1017/s0074180900119655
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