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List of variable stars

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There are over 41,638 known variable stars (2008), with more being discovered regularly, so a complete list of every single variable is impossible at this place (cf. GCVS). The following is a list of variable stars that are well-known, bright, significant, or otherwise interesting.

This is a dynamic list and may never be able to satisfy particular standards for completeness. You can help by adding missing items with reliable sources.
Designation (name) Constellation Discovery Apparent magnitude (Maximum)[1] Apparent magnitude (Minimum)[2] Period Type Comment
R And Andromeda   Template:Nk 14m.9 409 d Mira variable (M)  
S And (Supernova 1885) Andromeda Ernst Hartwig, August 20, 1885 Template:Nk <16m - Supernova (SNI)  
U Ant Antlia   Template:Nk 9m.7 (p) - LB-star  
θ Aps Apus   Template:Nk 8m.6 (p) 119 d Semiregular (SRB)  
η Aql Aquila Pigott, 1784 Template:Nk 4m.39 7.17664 d Cepheid (DCEP)  
R Aql Aquila   Template:Nk 12m.0 284 d Mira variable (M)  
V Aql Aquila   Template:Nk 8m.4 353 d Semiregular variable (SRB)  
R Aqr Aquarius Karl Ludwig Harding, 1811 Template:Nk 12m.4 387 d Mira variable (M)  
T Aqr Aquarius   Template:Nk 14m.2 202 d Mira variable (M)  
U Ara Ara   Template:Nk 14m.1 225 d Mira variable (M)  
R Ari Aries   Template:Nk 13m.7 187 d Mira variable (M)  
U Ari Aries   Template:Nk 15m.2 371 d Mira variable (M)  
ε Aur Auriga J.H. Fritsch, 1821 Template:Nk 3m.83 27.08 years Algol variable (EA/GS)  
R Aur Auriga   Template:Nk 13m.9 458 d Mira variable (M)  
AE Aur Auriga   Template:Nk 6m.08 - Orion variable (INA)  
R Boo Boötes   Template:Nk 13m.1 223 d Mira variable (M)  
W Boo Boötes   Template:Nk 5m.4 ~450 d Semiregular (SRB:)  
X Cam Camelopardalis   Template:Nk 14m.2 144 d Mira variable (M)  
VZ Cam Camelopardalis   Template:Nk 4m.96 23.7 d Semiregular variable (SR)  
R Cap Capricornus Hind, 1848 Template:Nk 14m.9 345 d Mira variable (M)  
η Car Carina Burchell, 1827 Template:Nk 7m.9 - S Doradus (SDOR) "The unpredictable supergiant"
l Car Carina   Template:Nk 4m.18 35.53584 d Cepheid (DCEP)  
R Car Carina   Template:Nk 10m.5 309 d Mira variable (M)  
S Car Carina   Template:Nk 9m.9 149 d Mira variable (M)  
γ Cas Cassiopeia   Template:Nk 3m.0 - Gamma Cassiopeiae (GCAS)  
R Cas Cassiopeia   Template:Nk 13m.5 430 d Mira variable (M)  
S Cas Cassiopeia   Template:Nk 16m.1 612 d Mira variable (M)  
W Cas Cassiopeia   Template:Nk 12m.5 406 d Mira variable (M)  
WZ Cas Cassiopeia   Template:Nk 8m.5 - Semiregular variable (SRB) Visual double star, visible through binoculars
R Cen Centaurus   Template:Nk 11m.8 546 d Mira variable (M)  
S Cen Centaurus   Template:Nk 10m.7 (p) 65 d Semiregular variable (SR)  
T Cen Centaurus   Template:Nk 9m.0 90.44 d Semiregular variable (SRA)  
V645 Cen (Proxima Centauri) Centaurus   Template:Nk 13m.12 (B) - UV Ceti (UV)  
δ Cep Cepheus John Goodricke, 1784 Template:Nk 4m.37 5.36634 d Cepheid (DCEP) prototype double star, visible in binoculars
μ Cep Cepheus William Herschel, 1782 Template:Nk 5m.1 730 d Semiregular variable (SRC)  
S Cep Cepheus   Template:Nk 12m.9 487 d Mira (M)  
T Cep Cepheus   Template:Nk 11m.3 388 d Mira (M)  
U Cep Cepheus   Template:Nk 9m.24 2.49305 d Algol type (EA/SD)  
SS Cep Cepheus   Template:Nk 9m.1 (p) 90 d Semiregular (SRB)  
AR Cep Cepheus   Template:Nk 7m.9 - Semiregular (SRB)  
ο Cet (Mira) Cetus David Fabricius, 1596; variability may have been first noted by Johannes Fokkes Holwarda, 1638 Template:Nk 10m.1 332 d Mira (M) "The miraculous"
T Cet Cetus   Template:Nk 6m.9 159 d Semiregular (SRC)  
U Cet Cetus   Template:Nk 13m.4 235 d Mira (M)  
W Cet Cetus   Template:Nk 14m.8 351 d Mira (M)  
R Cha Chamaeleon   Template:Nk 14m.2 335 d Mira (M)  
R CMa Canis Major   Template:Nk 6m.34 1.13594 d Algol type (EA/SD)  
VY CMa Canis Major   Template:Nk 9m.6 - unique (*)  
FW CMa Canis Major   Template:Nk 5m.50 - Gamma Cassiopeiae (GCAS)  
S CMi Canis Minor   Template:Nk 13m.2 333 d Mira (M)  
R Cnc Cancer   Template:Nk 11m.8 362 d Mira (M)  
S Cnc Cancer Hind, 1848 Template:Nk 10m.25 9.48455 d Algol type (EA/DS)  
T Cnc Cancer Hind, 1850 Template:Nk 10m.5 482 d Semiregular (SRB)  
X Cnc Cancer   Template:Nk 7m.5 ~195 d Semiregular (SRB)  
T Col Columba   Template:Nk 12m.7 226 d Mira (M)  
R Com Coma Berenices   Template:Nk 14m.6 363 d Mira (M)  
α CrB (Alphecca or Gemma) Corona Borealis   Template:Nk 2m.32 (B) 17.35991 d Algol type (EA/DM)  
R CrB Corona Borealis Piggott, 1795 Template:Nk 14m.8 - R Coronae Borealis (RCB)  
S CrB Corona Borealis   Template:Nk 14m.1 360 d Mira (M)  
T CrB Corona Borealis   Template:Nk 10m.8 (80 years) recurrent nova (NR)  
U CrB Corona Borealis   Template:Nk 8m.79 3.45220 d Algol type (EA/SD)  
V CrB Corona Borealis   Template:Nk 12m.6 358 d Mira (M)  
W CrB Corona Borealis   Template:Nk 14m.3 238 d Mira (M)  
R Cru Crux   Template:Nk 7m.23 5.82575 d Cepheid (DCEP)  
R Crv Corvus   Template:Nk 14m.4 317 d Mira (M)  
χ Cyg Cygnus Kirch, 1686 Template:Nk 14m.2 408 d Mira (M)  
R Cyg Cygnus   Template:Nk 14m.4 426 d Mira (M)  
U Cyg Cygnus   Template:Nk 12m.1 463 d Mira (M)  
W Cyg Cygnus   Template:Nk 8m.9 (B) 131 d Semiregular (SRB)  
X Cyg Cygnus   Template:Nk 6m.91 16.38633 d Cepheid (DCEP)  
RT Cyg Cygnus   Template:Nk 13m.1 190 d Mira (M)  
SS Cyg Cygnus   Template:Nk 12m.4 (49.5 d) UGSS prototype  
SU Cyg Cygnus   Template:Nk 7m.22 3.84555 d Cepheid (DCEP)  
CH Cyg Cygnus   Template:Nk 8m.49 - Z Andromedae (ZAND+SR)  
R Del Delphinus   Template:Nk 13m.8 285 d Mira (M)  
U Del Delphinus   Template:Nk 8m.9 (p) ~110 d Semiregular (SRB)  
EU Del Delphinus   Template:Nk 6m.9 59.7 d Semiregular (SRB)  
β Dor Dorado   Template:Nk 4m.08 9.8426 d Cepheid (DCEP)  
S Dor Dorado   Template:Nk 11m.5 (B) - SDOR prototype in the Large Magellanic Cloud
R Dra Draco   Template:Nk 13m.2 246 d Mira (M)  
T Eri Eridanus   Template:Nk 13m.2 252 d Mira (M)  
R For Fornax   Template:Nk 13m.0 389 d Mira (M)  
η Gem Gemini   Template:Nk 3m.9 233 d Semiregular (SRA+EA)  
ζ Gem Gemini   Template:Nk 4m.18 10.15073 d Cepheid (DCEP)  
R Gem Gemini Hind, 1848 Template:Nk 14m.0 370 d Mira (M)  
S Gem Gemini Hind, 1848 Template:Nk 14m.7 293 d Mira (M)  
T Gem Gemini Hind, 1848 Template:Nk 15m.0 288 d Mira (M)  
U Gem Gemini   Template:Nk 14m.9 (105.2 d) dwarf nova (UGSS+E)  
S Gru Grus   Template:Nk 15m.0 402 d Mira (M)  
α Her Hercules William Herschel, 1759 Template:Nk 4m.0 - Semiregular (SRC)  
g Her (30 Her) Hercules   Template:Nk 6m.3 89.2 d Semiregular (SRB)  
u Her (68 Her) Hercules   Template:Nk 5m.37 2.05103 d Algol type (EA/SD)  
S Her Hercules   Template:Nk 13m.8 307 d Mira (M)  
U Her Hercules   Template:Nk 13m.4 406 d Mira (M)  
X Her Hercules   Template:Nk 8m.6 (p) 95.0 d Semiregular (SRB)  
R Hor Horologium   Template:Nk 14m.3 408 d Mira (M)  
U Hor Horologium   Template:Nk <15m.1 (p) 348 d Mira (M)  
R Hya Hydra Maraldi, 1704 Template:Nk 10m.9 389 d Mira (M)  
S Hya Hydra Hind, 1848 Template:Nk 13m.3 257 d Mira (M)  
U Hya Hydra   Template:Nk 9m.4 (B) ~450 d Semiregular (SRB)  
VW Hya Hydra   Template:Nk 9m.4 196 d Semiregular (SRB)  
α UMi (Polaris) Ursa Minor   Template:Nk 2m.13 3.9696 d Cepheid (DCEPS)  
R Vir Virgo Harding, 1809 Template:Nk 12m.1 146 d Mira (M)  
S Vir Virgo   Template:Nk 13m.2 375 d Mira (M)  

Notes

  1. ^ (visual magnitude, unless marked (B) (= blue) or (p) (= photographic))
  2. ^ (visual magnitude, unless marked (B) (= blue) or (p) (= photographic))

References

See also

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