Archive:: American Journal of Astronomy and Astrophysics:: Science Publishing Group

Volume 8, Issue 1, March 2020

Annual Mean and Correlation of Global Vertical Total Electron Content from Various Global Data Centers

Shambel Gizachew, Belay Sitotaw, Gizaw Mengistu

Issue: Volume 8, Issue 1, March 2020

Pages: 1-7

Received: 21 November 2019

Accepted: 31 December 2019

Published: 21 January 2020

DOI: 10.11648/j.ajaa.20200801.11

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Abstract: The main purpose of this work is to evaluate the annual mean correlations of vertical total electron content provided by GPS, Center for Orbit Determination in Europe (CODE), Jet Propulsion Laboratory (JPL), Polytechnical University of Catalonia (UPC) and European Space Agency (ESA) data centers. The comparisons are aimed at comparability of the di... Show More

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Modeling Jupiter with a Multi-layer Spheroidal Liquid Mass Rotating Differentially

Joel Uriel Cisneros-Parra, Francisco Javier Martinez-Herrera, Daniel Montalvo-Castro

Issue: Volume 8, Issue 1, March 2020

Pages: 8-14

Received: 18 December 2019

Accepted: 3 January 2020

Published: 12 February 2020

DOI: 10.11648/j.ajaa.20200801.12

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Abstract: With the aim of improving the Jupiter equilibrium liquid model consisting of two distorted spheroids (“spheroidals”) of our last paper, we generalize it here to any number l of layers, demanding that the calculated gravitational moments, J_2n (n=1,.., 4), agree with those surveyed by the Juno mission, which is fulfilled with a much higher accuracy t... Show More

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