Astronomical phenomena in Dresden codex [PDF]
Serbian Astronomical Journal, 2013 The relationship between Maya and our calendar is expressed by a coefficient known as ‘correlation’ which is a number of days that we have to add to the Mayan Long Count date to get Julian Date used in astronomy.
Böhm V. +4 more
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Revisiting the 2PN Pericenter Precession in View of Possible Future Measurements
Universe, 2020 At the second post-Newtonian (2PN) order, the secular pericenter precession ω ˙ 2 PN of either a full two-body system made of well-detached non-rotating monopole masses of comparable size and a restricted two-body system composed of a point
Lorenzo Iorio
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Determination of Orbital Elements and Ephemerides using the Geocentric Laplace’s Method
Journal of Astronomy and Space Sciences, 2020 This paper presents a methodology for Initial Orbit Determination (IOD) based on a modification of the Laplace’s geocentric method. The orbital elements for Near-Earth asteroids (1864) Daedalus, 2003 GW, 2019 JA8, a Hungaria-type asteroid (4690 ...
Daniela Espitia +2 more
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Under-Developed and Under-Utilized Eclipsing Binary Model Capabilities [PDF]
Journal of Astronomy and Space Sciences, 2012 Existing but largely unused binary star model capabilities are examined. An easily implemented scheme is parameterization of starspot growth and decay that can stimulate work on outer convection zones and their dynamos.
R. E. Wilson
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Mobile laser scanning elevation data accuracy in closed and partially open sky area
Geodesy and Cartography, 2021 Mobile laser scanning is being used more often in Estonia and abroad to obtain geospatial information. As the system is still new and being upgraded, different methods are being used to find out how accurately the mobile laser scanner can measure in ...
Gerly Annok, Valdar Tammin, Natalja Liba
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ExoClock Project. III. 450 New Exoplanet Ephemerides from Ground and Space Observations
The Astrophysical Journal Supplement Series, 2023 The ExoClock project has been created to increase the efficiency of the Ariel mission. It will achieve this by continuously monitoring and updating the ephemerides of Ariel candidates, in order to produce a consistent catalog of reliable and precise ...
A. Kokori +216 more
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La propriété intellectuelle des calculs astronomiques en question
Philosophia Scientiæ, 2018 In 1885, the Bureau des longitudes (i.e., the French Board of longitude) had to adapt the ephemerides of the Connaissance des temps in order to answer the needs of the sailors.
Guy Boistel
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PROGRAMS OF AES EPHEMERIDES CALCULATION
Odessa Astronomical Publications, 2017 A program of AES ephemerides calculation is developed which permits, from the given set of elemental orbit, to calculate ephemerides for several months’ period.
S. Ja. Kolesnik, N. G. Paltsev
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Effect of Ephemeris on Pulsar Timing and Navigation Accuracy Based on X-ray Pulsar Navigation-I Data
Universe, 2022 Solar system ephemeris is very important for pulsar timing and navigation. In order to explore the effect of different precision ephemerides on X-ray pulsar timing and navigation, the differences between timing and navigation results with four JPL ...
Yongtao Deng, Shuanggen Jin
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Observational Data and Orbits of the Asteroids Discovered at the Baldone Observatory in 2008–2013
Open Astronomy, 2015 The paper presents statistics of the asteroids observed and discovered at the Baldone Observatory, Latvia, in 2008–2013 within the project for astrometric observations of the near-Earth objects (NEOs), the main belt asteroids and comets. CCD observations
Černis K., Wlodarczyk I., Eglitis I.
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