Astrophysics (Index)About

planetary system

(all the planets orbiting a star)

A planetary system consists of the non-stellar objects orbiting a star. Of current observational interest are planets and circumstellar disks, but systems are also presumed to have bodies too small to be observed given their distance, given the example of the solar system. The term planet multiplicity refers to the number of planets, e.g., eight for the solar system.

The term stellar system has been used with a similar meaning, but including the star and any binary companion. (However stellar system is often used specifically for multiple stars gravitationally bound.) A planetary system may include individual planets that orbit different binary companions or that orbit more than one companion, i.e., circumbinary planets.


(stars,planets)
Further reading:
https://en.wikipedia.org/wiki/Planetary_system
https://en.wikipedia.org/wiki/Star_system
https://dictionary.obspm.fr/index.php?formSearchTextfield=planetary+system&showAll=1
https://ui.adsabs.harvard.edu/abs/2023A%26A...670A..68M/abstract

Referenced by pages:
failed binary
giant planet
gravitationally bound
Hill stability
HR 8799
isolation mass
Kepler-186f
MERCURY
metallicity (Z)
oligarch
orrery
primary
PSR 1257+12
scattering
solar nebula
solar system
TSUNAMI­

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