Binary star

A binary star (or binary star system) is a star system that contains two stars, usually locked in motion with each other by gravity. The orbits of planets and moons in a binary system are usually complex, with life in the vicinity adapted to the double stars' output.

0-9
1 Centauri | 11 Leonis Minoris | 128 Trianguli | 1440 Ophiuchi | 15 Sagittae | 15 Trianguli | 16 Cygni | 38 Lyncis | 39 Leonis | 4408 Trianguli | 47 Ursae Majoris | 51 Pegasi | 53 Aquarii | 58 Ophiuchi | 61 Cygni | 61 Virginis | 70 Virginis | 82 Eridani

A
Adhara | Akritiri | Alpha Andromedae | Alpha Caeli | Alpha Coronae Borealis | Alpha Draconis | Alpha Eridani | Alpha Fornacis | Alpha Gruis | Alpha Hydri | Alpha Ophiuchi | Alpha Phoenicis | Alpha Piscis Austrini | Alpha Trianguli | Alpha Volantis | Alphax | Antares | AR-558 | Arakis | Arken system | Atbar | Avenal

B
Balosnee | Banea | Ba'Neth | Barnard's Star | Belak | Benecia | Berengaria | Beta Canum Venaticorum | Beta Comae Berenices | Beta Eridani | Beta Herculis | Beta Leonis Minoris | Beta Lyrae | Beta Pictoris | Beta Piscis Australis | Beta Reticuli | Beta Tranguli | B'Moth

C
Calder system | Chal system | Chi Draconis | Chi Eridani

D
Dalmine | Delavi | Delta Aquilae | Delta Corvi | Delta Herculis | Delta Muscae | Delta Trianguli | Dinaal | Dopa | Dorvan | Draylon | Dreon

E
Elora | Enthara | Epsilon Boötis | Epsilon Eridani | Epsilon Ionis | Epsilon Librae | Epsilon Ophiuchi | Epsilon Phoenicis | Epsilon Scorpii | Epsilon Sculptoris | Eta Cassiopeiae | Eta Corvi | Eta Crucis | Eta Horologii | Eta Ursae Majoris

F
Fina | FGC-983 | FGC-486237 | FGC-531672 | FGC-505183

G
Gaia| Gamma Capricorni | Gamma Coronae Australis | Gamma Crateris | Gamma Crucis | Gamma Equulei | Gamma Eridon | Gamma Leporis | Gamma Ophiuchi | Gamma Serpentis | Ganalda | Gand | Garenor | Gema

H
Haakona | Hanon | H'atoria | Heronius | Heva | Hiemdal-Maat

I
Iccobar | Ilidaria | Imhotep | Iota Boötis | Iota Carinae | Iota Crucis | Iota Horologii | Iota Leonis | Iota Pavonis | Iota Persei | Iota Piscium

J
Jibalia

K
Kappa Coronae Borealis | Kappa Geminorum | Kappa Persei | Kappa Tucanae | Karemma system | Kartella | Keloda | Kendi | Kendren | Kep Salu-Ketoi | K'hotan-K'ushui | Kobheeria | Kobliad system | Korma | Kostolain | Kotaki | Kradin-Vori | Krenim | Kressari system | Kurill | Kyana

L
Lambda Crateris | Lambda Serpentis | Lambda Ursae Majoris | La'Voti | Lokirrim | Lytasia

M
Makar | Mari | Mariah | Markonia | Markov-Kalto | Maxia Zeta | Mempa | Merak | Mokra | Mu Andromedae | Mu Cassiopiae | Mu Ceti | Mu Leonis | Mu Virginis | Mylea

N
Nakan | Narendra | Natori | Nausicaa | Nechani | Nehru | Nequencia | New Earth system | New France | Norvala | Nu Octantis | Nuu'Bar

O
Olmerak | Omega Leonis | Omega Sagitarii | Oomaru-Yaan | Organia | Orias | Oshionian

P
Parada | Pendari | Phi Virginis | Pi Canis Majoris | Pi Piscis Australis | Pilar-Tholus | Porakas | Portas | Procyon | Psi Velorum

Q
Qomar | Qizan-Qal'at

R
Rator | Renavi | Rho Capricorni | Rho Coronae Borealis | Rho Puppis | Rho Tucanae | Rho Virginis | Rilnar | Rivos | Rog | Rura Penthe | Rymus

S
Sampalo | Sarpedion | Setlik | Sigma Geminorum | Sikaris | Sinuiji-Ekinus | Sirius | Sky Spirit system | Sobras | Somraw | Spica | Stakoron

T
Taresia | Tarod | Tau Coronae Borealis | Tau Ursae Majoris | Tekara | Tellun | Terrellia | Theta Centauri | Theta Cygni | Theta Draconis | Theta Eridani | Theta Hydrae | Theta Indi | Theta Pegasi | Tikopai-Tutakai | Toffa | Topin | Torat | Torga | Torman | Torros | Tohvun | Trakia | Trill system | Turei

U
Ultima Thule | Upsilon Ursae Majoris | Uxal

V
Valeria | Valt | Varala | Velos | Vendor | Vor'cha

W
Wyanti

X
Xi Herculis | Xi Hydrae | Xi Ophiuchi | Xi Pegasi | Xyrillia

Y
Ya'Vang

Z
Zahl | Zakdorn | Zeta Boötis | Zeta Centauri | Zeta Eridani | Zeta Gruis | Zeta Herculis | Zeta Leporis | Zeta Reticuli | Zeta Serpentis | Zeta Trianguli Australis | Zeta Volantis | Zeta-2 Reticuli | Zindar-Za'faran