List of variable stars


There are over 41,638 known variable stars, with more being discovered regularly, so a complete list of every single variable is impossible at this place. The following is a list of variable stars that are well-known, bright, significant, or otherwise interesting.
Designation ConstellationDiscoveryApparent magnitude Apparent magnitude ''Range of magnitudePeriodTypeComment-
R AndAndromeda 5m.814m.9409 dMira variable -
S And AndromedaErnst Hartwig, August 20, 18855m.816mSupernova -
U AntAntlia 8m.1 9m.7 LB -
θ ApsApus 6m.4 8m.6 119 dSemiregular -
η AqlAquilaPigott, 17843m.484m.39 dClassical Cepheid -
R AqlAquila 5m.512m.0284 dMira variable -
V AqlAquila 6m.68m.4353 dSemiregular -
R AqrAquariusKarl Ludwig Harding, 18105m.812m.4387 dMira variable -
T AqrAquarius 7m.214m.2202 dMira variable -
U AraAra 7m.714m.1225 dMira variable -
R AriAries 7m.413m.7187 dMira variable -
U AriAries 7m.215m.2371 dMira variable -
ε Aur AurigaJohann Heinrich Fritsch, 18212m.923m.8327.08 yearsEclipsing binary Algol type -
R AurAuriga 6m.713m.9458 dMira variable -
AE AurAuriga 5m.786m.08Orion variable -
R BooBoötes 6m.213m.1223 dMira variable -
W BooBoötes 4m.735m.4450 dSemiregular -
X CamCamelopardalis 7m.414m.2144 dMira variable -
VZ CamCamelopardalis 4m.804m.96 dSemiregular -
R CapCapricornusHind, 18489m.414m.9345 dMira variable -
η CarCarinaBurchell, 1827-0m.87m.9S Doradus "The unpredictable supergiant"-
l CarCarina 3m.284m.18 dClassical Cepheid -
R CarCarina 3m.910m.5309 dMira variable -
S CarCarina 4m.59m.9149 dMira variable -
γ CasCassiopeia 1m.63m.0Gamma Cassiopeiae -
R CasCassiopeia 4m.713m.5430 dMira variable -
S CasCassiopeia 7m.916m.1612 dMira variable -
W CasCassiopeia 7m.812m.5406 dMira variable -
WZ CasCassiopeia 6m.38m.5Semiregular Visual double star, visible through binoculars-
R CenCentaurus 5m.311m.8546 dMira variable -
S CenCentaurus 9m.2 10m.7 65 dSemiregular -
T CenCentaurus 5m.59m.0 dSemiregular -
V645 Cen Centaurus 12m.1 13m.12 UV Ceti -
δ CepCepheusJohn Goodricke, 17843m.484m.37 dClassical Cepheid prototypedouble star, visible in binoculars-
μ Cep CepheusWilliam Herschel, 17823m.435m.1730 dSemiregular -
S CepCepheus 7m.412m.9487 dMira variable -
T CepCepheus 5m.211m.3388 dMira variable -
U CepCepheus 6m.759m.24 dEclipsing binary Algol type -
SS CepCepheus 8m.0 9m.1 90 dSemiregular -
AR CepCepheus 7m.07m.9Semiregular -
ο Cet CetusDavid Fabricius, 1596; variability may have been first noted by Johannes Fokkes Holwarda, 16382m.010m.1332 dMira variable "The miraculous"
The first discovered non-ephemeral/cataclysmic variable star.
-
T CetCetus 5m.06m.9159 dSemiregular -
U CetCetus 6m.813m.4235 dMira variable -
W CetCetus 7m.114m.8351 dMira variable -
R ChaChamaeleon 7m.514m.2335 dMira variable -
R CMaCanis Major 5m.706m.34 dEclipsing binary Algol type -
VY CMaCanis Major 6m.59m.6unique -
FW CMaCanis Major 5m.005m.50Gamma Cassiopeiae -
S CMiCanis Minor 6m.613m.2333 dMira variable -
R CncCancer 6m.0711m.8362 dMira variable -
S CncCancerHind, 18488m.2910m.25 dEclipsing binary Algol type -
T CncCancerHind, 18507m.610m.5482 dSemiregular -
X CncCancer 5m.67m.5195 dSemiregular -
T ColColumba 6m.612m.7226 dMira variable -
R ComComa Berenices 7m.114m.6363 dMira variable -
α CrB Corona Borealis 2m.21 2m.32 dEclipsing binary Algol type -
R CrBCorona BorealisPiggott, 17955m.7114m.8R Coronae Borealis -
S CrBCorona Borealis 5m.814m.1360 dMira variable -
T CrBCorona Borealis 2m.010m.8recurrent nova -
U CrBCorona Borealis 7m.668m.79 dEclipsing binary Algol type -
V CrBCorona Borealis 6m.912m.6358 dMira variable -
W CrBCorona Borealis 7m.814m.3238 dMira variable -
R CruCrux 6m.407m.23 dClassical Cepheid -
R CrvCorvus 6m.714m.4317 dMira variable -
χ CygCygnusKirch, 16863m.314m.2408 dMira variable -
R CygCygnus 6m.114m.4426 dMira variable -
U CygCygnus 5m.912m.1463 dMira variable -
W CygCygnus 6m.80 8m.9 131 dSemiregular -
X CygCygnus 5m.856m.91 dClassical Cepheid -
RT CygCygnus 6m.013m.1190 dMira variable -
SS CygCygnus 7m.712m.4dwarf nova UGSS prototype -
SU CygCygnus 6m.447m.22 dClassical Cepheid -
CH CygCygnus 5m.608m.49Z Andromedae -
R DelDelphinus 7m.613m.8285 dMira variable -
U DelDelphinus 7m.6 8m.9 110 dSemiregular -
EU DelDelphinus 5m.796m.9 dSemiregular -
β DorDorado 3m.464m.08 dClassical Cepheid -
S DorDorado 8m.6 11m.5 S Doradus in the Large Magellanic Cloud-
R DraDraco 6m.713m.2246 dMira variable -
T EriEridanus 7m.213m.2252 dMira variable -
R ForFornax 7m.513m.0389 dMira variable -
η Gem Gemini 3m.153m.9233 dSemiregular -
ζ Gem Gemini 3m.624m.18 dClassical Cepheid -
R GemGeminiHind, 18486m.014m.0370 dMira variable -
S GemGeminiHind, 18488m.014m.7293 dMira variable -
T GemGeminiHind, 18488m.015m.0288 dMira variable -
U GemGemini 8m.214m.9dwarf nova -
S GruGrus 6m.015m.0402 dMira variable -
α Her HerculesWilliam Herschel, 17592m.744m.0Semiregular -
g Her Hercules 4m.36m.3 dSemiregular -
u Her Hercules 4m.695m.37 dEclipsing binary Algol type -
S HerHercules 6m.413m.8307 dMira variable -
U HerHercules 6m.413m.4406 dMira variable -
X HerHercules 7m.5 8m.6 dSemiregular -
R HorHorologium 4m.714m.3408 dMira variable -
U HorHorologium 7m.8 15m.1 348 dMira variable -
R HyaHydraMaraldi, 17043m.510m.9389 dMira variable -
S HyaHydraHind, 18487m.213m.3257 dMira variable -
U HyaHydra 7m.0 9m.4 ~450 dSemiregular -
VW HyaHydra 10m.514m.1 dEclipsing binary Algol type -
BL LacLacerta 12m.4 17m.2 BLLAC prototypeoriginally thought to be a variable star, but later
discovered to be a blazar
-
R LeoLeoJ.A. Koch, 17824m.411m.3310 dMira variable -
R LepLepus 5m.511m.7427 dMira variable Hind's Crimson Star-
RX LepLepus 5m.07m.4~60 dSemiregular -
R LMiLeo Minor 6m.313m.2372 dMira variable -
RU LupLupus 9m.6 13m.4 Orion variable -
β Lyr LyraJohn Goodricke, 17843m.254m.36 dEclipsing binary Beta Lyrae type -
R LyrLyra 3m.885m.0~46 dSemiregular -
RR LyrLyra 7m.068m.12 dRR Lyrae variable -
U MicMicroscopium 7m.014m.4334 dMira variable -
U MonMonoceros 6m.1 8m.8 dRV Tauri variable -
V MonMonoceros 6m.013m.9341 dMira variable -
R NorNorma 6m.5 13m.9 508 dMira variable -
T NorNorma 6m.213m.6241 dMira variable -
R OctOctans 6m.413m.2405 dMira variable -
S OctOctans 7m.214m.0259 dMira variable -
V OphOphiuchus 7m.311m.6297 dMira variable -
X OphOphiuchus 5m.99m.2329 dMira variable -
RS OphOphiuchus 4m.312m.5recurrent nova -
BF OphOphiuchus 6m.937m.71 dClassical Cepheid -
α Ori OrionJohn Herschel, 18400m.01m.36.39 yearsSemiregular -
δ Ori OrionJohn Herschel, 18342m.142m.26 dEclipsing binary Algol type -
R OriOrionHind, 18489m.0513m.4377 dMira variable -
U OriOrion 4m.813m.0368 dMira variable -
W OriOrion 8m.2 12m.4 212 dSemiregular -
VV OriOrion 5m.315m.66 dEclipsing binary Algol type -
CK OriOrion 5m.97m.1~120 dSemiregular -
κ PavPavo 3m.914m.78 dType II Cepheid -
S PavPavo 6m.610m.4381 dSemiregular -
β Peg PegasusSchmidt, 18472m.312m.74LB -
ε Peg Pegasus0m.73m.5LC -
R PegPegasusHind, 18486m.913m.8378 dMira variable -
X PegPegasus 8m.814m.4201 dMira variable -
β Per PerseusGeminiano Montanari, 16692m.123m.39 dEclipsing binary Algol type The Demon Star-
DY PerseiPerseusR Coronae Borealis / DY Persei / -
φ PerPerseus 3m.964m.11 dGamma Cassiopeiae -
ρ PerPerseus 3m.304m.0~50 dSemiregular -
X PerPerseus 6m.037m.0Gamma Cassiopeiae -
ζ Phe Phoenix 3m.914m.42 dEclipsing binary Algol type -
R PicPictor 6m.3510m.1171 dSemiregular -
R PscPiscesHind, 18507m.014m.8345 dMira variable -
TX PscPisces 4m.795m.20LB -
L2 PupPuppis 2m.66m.2141 dSemiregular -
RS PupPuppis 6m.527m.67 dClassical Cepheid -
T PyxPyxis 7m.0 15m.77 recurrent nova -
S SclSculptor 5m.513m.6363 dMira variable -
RR ScoScorpius 5m.012m.4281 dMira variable -
RS ScoScorpius 6m.213m.0320 dMira variable -
RT ScoScorpius 7m.015m.2449 dMira variable -
R SctScutumPigott, 17954m.28m.6 dRV Tauri variable -
R SerSerpensHarding, 18265m.1614m.4356 dMira variable -
S SerSerpensHarding, 18287m.014m.1372 dMira variable -
U SgeSagitta 6m.459m.28 dEclipsing binary Algol type -
WZ SgeSagitta 7m.0 15m.53 dwarf nova -
RR SgrSagittarius 5m.414m.0336 dMira variable -
R SgrSagittarius 6m.712m.83270 dMira variable -
U SgrSagittarius 6m.287m.15 dClassical Cepheid -
RT SgrSagittarius 6m.014m.1306 dMira variable -
RU SgrSagittarius 6m.013m.8240 dMira variable -
RY SgrSagittarius 5m.814m.0R Coronae Borealis -
VX SgrSagittarius 6m.5214m.0732 dSemiregular -
λ TauTaurusBaxendell, 18483m.373m.91 dEclipsing binary Algol type -
R TauTaurusHind, 18497m.615m.8321 dMira variable -
T TauTaurus 9m.313m.5Orion variable -
SU TauTaurus 9m.116m.86R Coronae Borealis -
R TriTriangulum 5m.412m.6267 dMira variable -
R UMaUrsa Major 6m.513m.7302 dMira variable -
T UMaUrsa Major 6m.613m.5257 dMira variable -
U UMaUrsa Major 6m.206m.25---
W UMaUrsa Major 7m.758m.48 dEclipsing binary W Ursae Majoris type
Z UMaUrsa Major 6m.29m.4196 dSemiregular -
α UMi Ursa Minor 1m.862m.13 dClassical Cepheid -
R VirVirgoHarding, 18096m.112m.1146 dMira variable -
S VirVirgo 6m.313m.2375 dMira variable -