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List of variable stars

From Wikipedia, the free encyclopedia

As of 2017[update], there are over 52,011 knownvariable stars,[1] with more being discovered regularly, so a complete list of every single variable is impossible at this place (cf.GCVS). The following is alist of variable stars that are well-known, bright, significant, or otherwise interesting.

This is adynamic list and may never be able to satisfy particular standards for completeness. You can help byadding missing items withreliable sources.
Designation (name)ConstellationDiscoveryApparent magnitude (Maximum)[2]Apparent magnitude (Minimum)[3]Range of magnitudePeriodTypeComment
R AndAndromeda 5m.814m.99.1409 dMira variable (M) 
S And (Supernova 1885)Ernst Hartwig, August 20, 18855m.816m10.2Supernova (SNI) 
U AntAntlia 8m.1 (p)9m.7 (p)1.6LB 
θ ApsApus 6m.4 (p)8m.6 (p)2.2119 dSemiregular (SRB) 
η AqlAquilaPigott, 17843m.484m.390.917.17664 dClassical Cepheid (DCEP) 
R Aql 5m.512m.06.5284 dMira variable (M) 
V Aql 6m.68m.41.8353 dSemiregular (SRB) 
R AqrAquariusKarl Ludwig Harding, 18105m.812m.46.9387 dMira variable (M) 
T Aqr 7m.214m.27.0202 dMira variable (M) 
U AraAra 7m.714m.16.4225 dMira variable (M) 
R AriAries 7m.413m.76.3187 dMira variable (M) 
U Ari 7m.215m.28.0371 dMira variable (M) 
ε Aur (Almaaz)AurigaJohann Heinrich Fritsch, 18212m.923m.830.9127.08 yearsEclipsing binaryAlgol type (EA/GS) 
R Aur 6m.713m.97.2458 dMira variable (M) 
AE Aur 5m.786m.080.30Orion variable (INA) 
R BooBoötes 6m.213m.16.9223 dMira variable (M) 
W Boo 4m.735m.40.67450 dSemiregular (SRB:) 
X CamCamelopardalis 7m.414m.26.8144 dMira variable (M) 
VZ Cam 4m.804m.960.1623.7 dSemiregular (SR) 
R CapCapricornusHind, 18489m.414m.95.5345 dMira variable (M) 
η CarCarinaBurchell, 1827-0m.87m.98.6S Doradus (SDOR)"The unpredictable supergiant"
l Car 3m.284m.180.9035.53584 dClassical Cepheid (DCEP) 
R Car 3m.910m.56.6309 dMira variable (M) 
S Car 4m.59m.95.4149 dMira variable (M) 
γ CasCassiopeia 1m.63m.01.4Gamma Cassiopeiae (GCAS) 
R Cas 4m.713m.58.9430 dMira variable (M) 
S Cas 7m.916m.18.2612 dMira variable (M) 
W Cas 7m.812m.54.7406 dMira variable (M) 
WZ Cas 6m.38m.52.2Semiregular (SRB)Visual double star, visible through binoculars
R CenCentaurus 5m.311m.86.5546 dMira variable (M) 
S Cen 9m.2 (p)10m.7 (p)1.565 dSemiregular (SR) 
T Cen 5m.59m.03.590.44 dSemiregular (SRA) 
V645 Cen (Proxima Centauri) 12m.1 (B)13m.12 (B)1.02UV Ceti (UV) 
δ CepCepheusJohn Goodricke, 17843m.484m.370.895.36634 dClassical Cepheid (DCEP) prototypedouble star, visible in binoculars
VegaLyra-0m.020m.070.090.107 dDelta Scuti variableBrightest variable star in the sky.
μ Cep (Herschel's Garnet Star)CepheusWilliam Herschel, 17823m.435m.11.67730 dSemiregular (SRC) 
S CepCepheus 7m.412m.95.5487 dMira variable (M) 
T Cep 5m.211m.36.1388 dMira variable (M) 
U Cep 6m.759m.242.492.49305 dEclipsing binaryAlgol type (EA/SD) 
SS Cep 8m.0 (p)9m.1 (p)1.190 dSemiregular (SRB) 
ST Cep 7m.8  NoneMira variable (M) 
AR Cep 7m.07m.90.9Semiregular (SRB) 
ο Cet (Mira)CetusDavid Fabricius, 1596; variability may have been first noted byJohannes Fokkes Holwarda, 16382m.010m.18.1332 dMira variable (M)"The miraculous"
The first discovered non-ephemeral/cataclysmic variable star.
T Cet 5m.06m.91.9159 dSemiregular (SRC) 
U Cet 6m.813m.46.6235 dMira variable (M) 
W Cet 7m.114m.87.7351 dMira variable (M) 
R ChaChamaeleon 7m.514m.26.7335 dMira variable (M) 
R CMaCanis Major 5m.706m.340.641.13594 dEclipsing binaryAlgol type (EA/SD) 
VY CMa 6m.59m.63.1unique (*) 
FW CMa 5m.005m.500.50Gamma Cassiopeiae (GCAS) 
S CMi 6m.613m.26.6333 dMira variable (M) 
R CncCancer 6m.0711m.85.73362 dMira variable (M) 
S CncHind, 18488m.2910m.251.969.48455 dEclipsing binaryAlgol type (EA/DS) 
T CncHind, 18507m.610m.52.9482 dSemiregular (SRB) 
X Cnc 5m.67m.51.9195 dSemiregular (SRB) 
T ColColumba 6m.612m.76.1226 dMira variable (M) 
R ComComa Berenices 7m.114m.67.5363 dMira variable (M) 
α CrB (Alphecca or Gemma)Corona Borealis 2m.21 (B)2m.32 (B)0.1117.35991 dEclipsing binaryAlgol type (EA/DM) 
R CrBPiggott, 17955m.7114m.89.09R Coronae Borealis (RCB) 
S CrB 5m.814m.18.7360 dMira variable (M) 
T CrB 2m.010m.88.8(80 years)recurrent nova (NR) 
U CrB 7m.668m.791.133.45220 dEclipsing binaryAlgol type (EA/SD) 
V CrB 6m.912m.65.3358 dMira variable (M) 
W CrB 7m.814m.36.5238 dMira variable (M) 
R CruCrux 6m.407m.230.835.82575 dClassical Cepheid (DCEP) 
R CrvCorvus 6m.714m.47.7317 dMira variable (M) 
χ CygCygnusKirch, 16863m.314m.210.9408 dMira variable (M) 
R Cyg 6m.114m.48.3426 dMira variable (M) 
U Cyg 5m.912m.16.2463 dMira variable (M) 
W Cyg 6m.80 (B)8m.9 (B)2.1131 dSemiregular (SRB) 
X Cyg 5m.856m.911.0616.38633 dClassical Cepheid (DCEP) 
RT Cyg 6m.013m.17.1190 dMira variable (M) 
SS Cyg 7m.712m.44.7(49.5 d)dwarf nova UGSS prototype 
SU Cyg 6m.447m.220.783.84555 dClassical Cepheid (DCEP) 
CH Cyg 5m.608m.492.89Z Andromedae (ZAND+SR) 
R DelDelphinus 7m.613m.86.2285  dMira variable (M) 
U Del 7m.6 (p)8m.9 (p)1.3110 dSemiregular (SRB) 
EU Del 5m.796m.91.1159.7 dSemiregular (SRB) 
β DorDorado 3m.464m.080.629.8426 dClassical Cepheid (DCEP) 
S Dor 8m.6 (B)11m.5 (B)2.9S Doradus (SDOR) (prototype)in theLarge Magellanic Cloud
R DraDraco 6m.713m.26.5246 dMira variable (M) 
T EriEridanus 7m.213m.26.0252 dMira variable (M) 
R ForFornax 7m.513m.05.5389 dMira variable (M) 
η Gem (Propus)Gemini 3m.153m.90.75233 dSemiregular (SRA+EA) 
ζ Gem (Mekbuda) 3m.624m.180.5610.15073 dClassical Cepheid (DCEP) 
R GemHind, 18486m.014m.08.0370 dMira variable (M) 
S GemHind, 18488m.014m.76.7293 dMira variable (M) 
T GemHind, 18488m.015m.07.0288 dMira variable (M) 
U Gem 8m.214m.96.7(105.2 d)dwarf nova (UGSS+E) 
S GruGrus 6m.015m.09.0402 dMira variable (M) 
α Her (Rasalgethi)HerculesWilliam Herschel, 17592m.744m.01.26Semiregular (SRC) 
g Her (30 Her) 4m.36m.32.089.2 dSemiregular (SRB) 
u Her (68 Her) 4m.695m.370.682.05103 dEclipsing binaryAlgol type (EA/SD) 
S Her 6m.413m.87.4307 dMira variable (M) 
U Her 6m.413m.47.0406 dMira variable (M) 
X Her 7m.5 (p)8m.6 (p)1.195.0 dSemiregular (SRB) 
R HorHorologium 4m.714m.39.6408 dMira variable (M) 
U Hor 7m.8 (p)15m.1 (p)6.3348 dMira variable (M) 
R HyaHydraMaraldi, 17043m.510m.97.4389 dMira variable (M) 
S HyaHind, 18487m.213m.36.1257 dMira variable (M) 
U Hya 7m.0 (B)9m.4 (B)2.4~450 dSemiregular (SRB) 
VW Hya 10m.514m.13.62.69642 dEclipsing binaryAlgol type (EA/SD) 
BL LacLacerta 12m.4 (B)17m.2 (B)4.8BLLAC prototypeoriginally thought to be a variable star, but later

discovered to be ablazar

R LeoLeoJ.A. Koch, 17824m.411m.36.9310 dMira variable (M) 
R LepLepus 5m.511m.76.2427 dMira variable (M)Hind's Crimson Star
RX Lep 5m.07m.42.4~60 dSemiregular (SRB) 
R LMiLeo Minor 6m.313m.26.9372 dMira variable (M) 
RU LupLupus 9m.6 (p)13m.4 (p)3.8Orion variable (INT) 
β Lyr (Sheliak)LyraJohn Goodricke, 17843m.254m.361.1112.91383 dEclipsing binaryBeta Lyrae type (prototype) 
R Lyr 3m.885m.01.12~46 dSemiregular (SRB) 
RR Lyr 7m.068m.121.060.566868 dRR Lyrae variable (prototype) 
U MicMicroscopium 7m.014m.47.7334 dMira variable (M) 
U MonMonoceros 6m.1 (p)8m.8 (p)2.791.3 dRV Tauri variable (RVB) 
V Mon 6m.013m.97.9341 dMira variable (M) 
R NorNorma 6m.5 (p)13m.9 (p)7.4508 dMira variable (M) 
T Nor 6m.213m.67.4241 dMira variable (M) 
R OctOctans 6m.413m.26.8405 dMira variable (M) 
S Oct 7m.214m.06.8259 dMira variable (M) 
V OphOphiuchus 7m.311m.64.3297 dMira variable (M) 
X Oph 5m.99m.23.3329 dMira variable (M) 
RS Oph 4m.312m.58.2recurrent nova (NR) 
BF Oph 6m.937m.710.784.06775 dClassical Cepheid (DCEP) 
α Ori (Betelgeuse)OrionJohn Herschel, 18400m.01m.31.36.39 yearsSemiregular (SRC) 
δ Ori (Mintaka)John Herschel, 18342m.142m.260.125.73248 dEclipsing binaryAlgol type (EA/DM) 
R OriHind, 18489m.0513m.44.35377 dMira variable (M) 
U Ori 4m.813m.08.5368 dMira variable (M) 
W Ori 8m.2 (p)12m.4 (p)4.2212 dSemiregular (SRB) 
VV Ori 5m.315m.660.351.48538 dEclipsing binaryAlgol type (EA/KE:) 
CK Ori 5m.97m.11.2~120 dSemiregular (SR:) 
κ PavPavo 3m.914m.780.879.09423 dType II Cepheid (CW) 
S Pav 6m.610m.43.8381 dSemiregular (SRA) 
β Peg (Scheat)PegasusSchmidt, 18472m.312m.740.43LB 
ε Peg (Enif)0m.73m.52.8LC 
R PegHind, 18486m.913m.86.9378 dMira variable (M) 
X Peg 8m.814m.45.8201 dMira variable (M) 
β Per (Algol)PerseusGeminiano Montanari, 16692m.123m.391.272.86730 dEclipsing binaryAlgol type (EA/SD) (prototype)The Demon Star
DY PerseiR Coronae Borealis /DY Persei / (prototype)
φ Per 3m.964m.110.1519.5 dGamma Cassiopeiae (GCAS) 
ρ Per 3m.304m.00.70~50 dSemiregular (SRB) 
X Per 6m.037m.00.97Gamma Cassiopeiae (GCAS+XP) 
ζ Phe (Wurren)Phoenix 3m.914m.420.511.66977 dEclipsing binaryAlgol type (EA/DM) 
R PicPictor 6m.3510m.13.75171 dSemiregular (SR) 
R PscPiscesHind, 18507m.014m.87.8345 dMira variable (M) 
TX Psc 4m.795m.200.42LB 
L2 PupPuppis 2m.66m.23.6141 dSemiregular (SRB) 
RS Pup 6m.527m.671.1541.3876 dClassical Cepheid (DCEP) 
T PyxPyxis 7m.0 (B)15m.77 (B)8.77(20 years)recurrent nova (NR) 
S SclSculptor 5m.513m.68.1363 dMira variable (M) 
RR ScoScorpius 5m.012m.47.4281 dMira variable (M) 
RS Sco 6m.213m.06.8320 dMira variable (M) 
RT Sco 7m.015m.28.2449 dMira variable (M) 
R SctScutumPigott, 17954m.28m.64.4146.5 dRV Tauri variable (RVA) 
R SerSerpensHarding, 18265m.1614m.49.24356 dMira variable (M) 
S SerHarding, 18287m.014m.17.1372 dMira variable (M) 
U SgeSagitta 6m.459m.282.833.38062 dEclipsing binaryAlgol type (EA/SD) 
WZ Sge 7m.0 (B)15m.53 (B)8.53(33 years)dwarf nova (UGSU+E+ZZ) 
RR SgrSagittarius 5m.414m.08.6336 dMira variable (M) 
R Sgr 6m.712m.836.13270 dMira variable (M) 
U SgrSagittarius(inM25) 6m.287m.150.876.74523 dClassical Cepheid (DCEP) 
RT SgrSagittarius 6m.014m.18.1306 dMira variable (M) 
RU Sgr 6m.013m.87.8240 dMira variable (M) 
RY Sgr 5m.814m.08.2R Coronae Borealis (RCB) 
VX Sgr 6m.5214m.07.08732 dSemiregular (SRC) 
λ TauTaurusBaxendell, 18483m.373m.910.543.95295 dEclipsing binaryAlgol type (EA/DM) 
R TauHind, 18497m.615m.88.2321 dMira variable (M) 
T Tau 9m.313m.54.2Orion variable (INT) 
SU Tau 9m.116m.867.76R Coronae Borealis (RCB) 
R TriTriangulum 5m.412m.67.2267 dMira variable (M) 
R UMaUrsa Major 6m.513m.77.2302 dMira variable (M) 
T UMa 6m.613m.56.9257 dMira variable (M) 
U UMa 6m.206m.250.05- 
W UMa 7m.758m.480.730.3336 dEclipsing binaryW Ursae Majoris type (prototype) 
Z UMa 6m.29m.43.2196 dSemiregular (SRB) 
α UMi (Polaris)Ursa Minor 1m.862m.130.273.9696 dClassical Cepheid (DCEPS) 
R VirVirgoHarding, 18096m.112m.16.0146 dMira variable (M) 
S Vir 6m.313m.26.9375 dMira variable (M) 

Notes

[edit]
  1. ^Samus', N. N.; Kazarovets, E. V.; Durlevich, O. V.; Kireeva, N. N.; Pastukhova, E. N. (2017). "General catalogue of variable stars: Version GCVS 5.1".Astronomy Reports.61 (1): 80.Bibcode:2017ARep...61...80S.doi:10.1134/S1063772917010085.
  2. ^(visual magnitude, unless marked (B)(= blue) or (p)(= photographic))
  3. ^(visual magnitude, unless marked (B)(= blue) or (p)(= photographic))

References

[edit]

See also

[edit]
Pulsating
Cepheids and
cepheid-like
Blue-white with
early spectra
Long-period
Other
Eruptive
Protostar andPMS
Giants and
supergiants
Eruptive binary
Other
Cataclysmic
Rotating
Non-spherical
Stellar spots
Magnetic fields
Eclipsing
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