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 ⇄Suchrichtung
 Übersetzung für 'periastron' von Englisch nach Deutsch
NOUN   periastron | periastrons
astron.
periastron
Periastron {n}
1 Übersetzung
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 ⇄ 
Übersetzung für 'periastron' von Englisch nach Deutsch

periastron
Periastron {n}astron.
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Anwendungsbeispiele Englisch
  • The periastron (closest) distance is 1.96 AU and the apastron (farthest) distance is 3.12 AU.
  • For example, out of the six independent parameters that define an orbit, the radial-velocity method can determine four: semi-major axis, eccentricity, longitude of periastron, and time of periastron.
  • This date is inconsistent with the peaks in brightness and with estimates of the periastron passage of the secondary star.
  • For specific types of orbits, terms such as argument of perihelion (for heliocentric orbits), argument of perigee (for geocentric orbits), argument of periastron (for orbits around stars), and so on, may be used (see apsis for more information).
  • In 1951, O'Connell published the paper, "The so-called periastron effect in close eclipsing binaries", where he described the differences in maxima of the light curves of eclipsing binary stars which could not be explained by the previously described periastron effect.

  • The secondary component's orbit is not very eccentric, with a periastron of at least 890 AU.
  • It is a T Tauri variable, and a prototype for the eponymous class of RW Aurigae variables, exhibiting irregular dips in its light curve due to the rapidly changing geometry of the protoplanetary disk, disturbed by the periastron passage of RW Aurigae B.
  • The orbit is highly eccentric and at periastron passage in 1997, the two are calculated to have been only 6 mas apart.
  • The precession of the periastron of the orbit of the stars serves as a test of the predictions of Einstein's general theory of relativity.
  • 5 year orbit, inferred by its ultraviolet excess and eruptions associated with the periastron passage.

  • The rotational axis is inclined in the direction of the small axis of the orbit, so the periastron and the apastron coincide with the equinoxes.
  • A variety of factors can lead to periastron precession such as general relativity, stellar quadrupole moments, mutual star–planet tidal deformations, and perturbations from other planets.
  • of AB at periastron, and its apastron occurs at [...].
  • The periastron node is precessing with the period of 709 [...] years.
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