Astrophysics (index)about

star system

(stellar system)
(a star and what's gravitationally bound to it)

A star system (or stellar system) is a star plus objects, gas, and dust gravitationally bound to it. It includes one or more stars (e.g., a binary star) plus the associated planetary system.

The solar system is the Sun's star system. Alpha Centauri is a system with multiple stars and at least one planet (Proxima b) as well.


Referenced by:
Algol (Beta Per)
Alpha Centauri
binary star
double-line spectroscopic binary
Epsilon Eridani
Epsilon Indi (ε Indi)
extra-solar planet
failed binary
GG Tau
Lacaille 9352
Lalande 21185
Luyten 726-8
multiplicity fraction
post-common envelope binary (PCEB)
planetary system
Proxima b
Ross 154
Ross 248
solar system
substellar object
survey-based designator
timescale (t)
transit timing variations (TTV)