List of variable stars

, there are over 52,011 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	Constellation	Discovery	Apparent magnitude	Apparent magnitude	Range of magnitude	Period	Type	Comment
R And	Andromeda		5^m.8	14^m.9		409 d	Mira variable
S And	Andromeda	Ernst Hartwig, August 20, 1885	5^m.8	16^m			Supernova
U Ant	Antlia		8^m.1	9^m.7			LB
θ Aps	Apus		6^m.4	8^m.6		119 d	Semiregular
η Aql	Aquila	Pigott, 1784	3^m.48	4^m.39		d	Classical Cepheid
R Aql	Aquila		5^m.5	12^m.0		284 d	Mira variable
V Aql	Aquila		6^m.6	8^m.4		353 d	Semiregular
R Aqr	Aquarius	Karl Ludwig Harding, 1810	5^m.8	12^m.4		387 d	Mira variable
T Aqr	Aquarius		7^m.2	14^m.2		202 d	Mira variable
U Ara	Ara		7^m.7	14^m.1		225 d	Mira variable
R Ari	Aries		7^m.4	13^m.7		187 d	Mira variable
U Ari	Aries		7^m.2	15^m.2		371 d	Mira variable
ε Aur	Auriga	Johann Heinrich Fritsch, 1821	2^m.92	3^m.83		27.08 years	Eclipsing binary Algol type
R Aur	Auriga		6^m.7	13^m.9		458 d	Mira variable
AE Aur	Auriga		5^m.78	6^m.08			Orion variable
R Boo	Boötes		6^m.2	13^m.1		223 d	Mira variable
W Boo	Boötes		4^m.73	5^m.4		450 d	Semiregular
X Cam	Camelopardalis		7^m.4	14^m.2		144 d	Mira variable
VZ Cam	Camelopardalis		4^m.80	4^m.96		d	Semiregular
R Cap	Capricornus	Hind, 1848	9^m.4	14^m.9		345 d	Mira variable
η Car	Carina	Burchell, 1827	-0^m.8	7^m.9			S Doradus	"The unpredictable supergiant"
l Car	Carina		3^m.28	4^m.18		d	Classical Cepheid
R Car	Carina		3^m.9	10^m.5		309 d	Mira variable
S Car	Carina		4^m.5	9^m.9		149 d	Mira variable
γ Cas	Cassiopeia		1^m.6	3^m.0			Gamma Cassiopeiae
R Cas	Cassiopeia		4^m.7	13^m.5		430 d	Mira variable
S Cas	Cassiopeia		7^m.9	16^m.1		612 d	Mira variable
W Cas	Cassiopeia		7^m.8	12^m.5		406 d	Mira variable
WZ Cas	Cassiopeia		6^m.3	8^m.5			Semiregular	Visual double star, visible through binoculars
R Cen	Centaurus		5^m.3	11^m.8		546 d	Mira variable
S Cen	Centaurus		9^m.2	10^m.7		65 d	Semiregular
T Cen	Centaurus		5^m.5	9^m.0		d	Semiregular
V645 Cen	Centaurus		12^m.1	13^m.12			UV Ceti
δ Cep	Cepheus	John Goodricke, 1784	3^m.48	4^m.37		d	Classical Cepheid prototype	double star, visible in binoculars
Vega	Lyra		-0^m.02	0^m.07		d	Delta Scuti variable	Brightest variable star in the sky.
μ Cep	Cepheus	William Herschel, 1782	3^m.43	5^m.1		730 d	Semiregular
S Cep	Cepheus		7^m.4	12^m.9		487 d	Mira variable
T Cep	Cepheus		5^m.2	11^m.3		388 d	Mira variable
U Cep	Cepheus		6^m.75	9^m.24		d	Eclipsing binary Algol type
SS Cep	Cepheus		8^m.0	9^m.1		90 d	Semiregular
ST Cep	Cepheus		7^m.8			-	Mira variable
AR Cep	Cepheus		7^m.0	7^m.9			Semiregular
ο Cet	Cetus	David Fabricius, 1596; variability may have been first noted by Johannes Fokkes Holwarda, 1638	2^m.0	10^m.1		332 d	Mira variable	"The miraculous" The first discovered non-ephemeral/cataclysmic variable star.
T Cet	Cetus		5^m.0	6^m.9		159 d	Semiregular
U Cet	Cetus		6^m.8	13^m.4		235 d	Mira variable
W Cet	Cetus		7^m.1	14^m.8		351 d	Mira variable
R Cha	Chamaeleon		7^m.5	14^m.2		335 d	Mira variable
R CMa	Canis Major		5^m.70	6^m.34		d	Eclipsing binary Algol type
VY CMa	Canis Major		6^m.5	9^m.6			unique
FW CMa	Canis Major		5^m.00	5^m.50			Gamma Cassiopeiae
S CMi	Canis Major		6^m.6	13^m.2		333 d	Mira variable
R Cnc	Cancer		6^m.07	11^m.8		362 d	Mira variable
S Cnc	Cancer	Hind, 1848	8^m.29	10^m.25		d	Eclipsing binary Algol type
T Cnc	Cancer	Hind, 1850	7^m.6	10^m.5		482 d	Semiregular
X Cnc	Cancer		5^m.6	7^m.5		195 d	Semiregular
T Col	Columba		6^m.6	12^m.7		226 d	Mira variable
R Com	Coma Berenices		7^m.1	14^m.6		363 d	Mira variable
α CrB	Corona Borealis		2^m.21	2^m.32		d	Eclipsing binary Algol type
R CrB	Corona Borealis	Piggott, 1795	5^m.71	14^m.8			R Coronae Borealis
S CrB	Corona Borealis		5^m.8	14^m.1		360 d	Mira variable
T CrB	Corona Borealis		2^m.0	10^m.8			recurrent nova
U CrB	Corona Borealis		7^m.66	8^m.79		d	Eclipsing binary Algol type
V CrB	Corona Borealis		6^m.9	12^m.6		358 d	Mira variable
W CrB	Corona Borealis		7^m.8	14^m.3		238 d	Mira variable
R Cru	Crux		6^m.40	7^m.23		d	Classical Cepheid
R Crv	Corvus		6^m.7	14^m.4		317 d	Mira variable
χ Cyg	Cygnus	Kirch, 1686	3^m.3	14^m.2		408 d	Mira variable
R Cyg	Cygnus		6^m.1	14^m.4		426 d	Mira variable
U Cyg	Cygnus		5^m.9	12^m.1		463 d	Mira variable
W Cyg	Cygnus		6^m.80	8^m.9		131 d	Semiregular
X Cyg	Cygnus		5^m.85	6^m.91		d	Classical Cepheid
RT Cyg	Cygnus		6^m.0	13^m.1		190 d	Mira variable
SS Cyg	Cygnus		7^m.7	12^m.4			dwarf nova UGSS prototype
SU Cyg	Cygnus		6^m.44	7^m.22		d	Classical Cepheid
CH Cyg	Cygnus		5^m.60	8^m.49			Z Andromedae
R Del	Delphinus		7^m.6	13^m.8		285 d	Mira variable
U Del	Delphinus		7^m.6	8^m.9		110 d	Semiregular
EU Del	Delphinus		5^m.79	6^m.9		d	Semiregular
β Dor	Dorado		3^m.46	4^m.08		d	Classical Cepheid
S Dor	Dorado		8^m.6	11^m.5			S Doradus	in the Large Magellanic Cloud
R Dra	Draco		6^m.7	13^m.2		246 d	Mira variable
T Eri	Eridanus		7^m.2	13^m.2		252 d	Mira variable
R For	Fornax		7^m.5	13^m.0		389 d	Mira variable
η Gem	Gemini		3^m.15	3^m.9		233 d	Semiregular
ζ Gem	Gemini		3^m.62	4^m.18		d	Classical Cepheid
R Gem	Gemini	Hind, 1848	6^m.0	14^m.0		370 d	Mira variable
S Gem	Gemini	Hind, 1848	8^m.0	14^m.7		293 d	Mira variable
T Gem	Gemini	Hind, 1848	8^m.0	15^m.0		288 d	Mira variable
U Gem	Gemini		8^m.2	14^m.9			dwarf nova
S Gru	Grus		6^m.0	15^m.0		402 d	Mira variable
α Her	Hercules	William Herschel, 1759	2^m.74	4^m.0			Semiregular
g Her	Hercules		4^m.3	6^m.3		d	Semiregular
u Her	Hercules		4^m.69	5^m.37		d	Eclipsing binary Algol type
S Her	Hercules		6^m.4	13^m.8		307 d	Mira variable
U Her	Hercules		6^m.4	13^m.4		406 d	Mira variable
X Her	Hercules		7^m.5	8^m.6		d	Semiregular
R Hor	Horologium		4^m.7	14^m.3		408 d	Mira variable
U Hor	Horologium		7^m.8	15^m.1		348 d	Mira variable
R Hya	Hydra	Maraldi, 1704	3^m.5	10^m.9		389 d	Mira variable
S Hya	Hydra	Hind, 1848	7^m.2	13^m.3		257 d	Mira variable
U Hya	Hydra		7^m.0	9^m.4		~450 d	Semiregular
VW Hya	Hydra		10^m.5	14^m.1		d	Eclipsing binary Algol type
BL Lac	Lacerta		12^m.4	17^m.2			BLLAC prototype	originally thought to be a variable star, but later discovered to be a blazar
R Leo	Leo	J.A. Koch, 1782	4^m.4	11^m.3		310 d	Mira variable
R Lep	Lepus		5^m.5	11^m.7		427 d	Mira variable	Hind's Crimson Star
RX Lep	Lepus		5^m.0	7^m.4		~60 d	Semiregular
R LMi	Leo Minor		6^m.3	13^m.2		372 d	Mira variable
RU Lup	Lupus		9^m.6	13^m.4			Orion variable
β Lyr	Lyra	John Goodricke, 1784	3^m.25	4^m.36		d	Eclipsing binary Beta Lyrae type
R Lyr	Lyra		3^m.88	5^m.0		~46 d	Semiregular
RR Lyr	Lyra		7^m.06	8^m.12		d	RR Lyrae variable
U Mic	Microscopium		7^m.0	14^m.4		334 d	Mira variable
U Mon	Monoceros		6^m.1	8^m.8		d	RV Tauri variable
V Mon	Monoceros		6^m.0	13^m.9		341 d	Mira variable
R Nor	Norma		6^m.5	13^m.9		508 d	Mira variable
T Nor	Norma		6^m.2	13^m.6		241 d	Mira variable
R Oct	Octans		6^m.4	13^m.2		405 d	Mira variable
S Oct	Octans		7^m.2	14^m.0		259 d	Mira variable
V Oph	Ophiuchus		7^m.3	11^m.6		297 d	Mira variable
X Oph	Ophiuchus		5^m.9	9^m.2		329 d	Mira variable
RS Oph	Ophiuchus		4^m.3	12^m.5			recurrent nova
BF Oph	Ophiuchus		6^m.93	7^m.71		d	Classical Cepheid
α Ori	Orion	John Herschel, 1840	0^m.0	1^m.3		6.39 years	Semiregular
δ Ori	Orion	John Herschel, 1834	2^m.14	2^m.26		d	Eclipsing binary Algol type
R Ori	Orion	Hind, 1848	9^m.05	13^m.4		377 d	Mira variable
U Ori	Orion		4^m.8	13^m.0		368 d	Mira variable
W Ori	Orion		8^m.2	12^m.4		212 d	Semiregular
VV Ori	Orion		5^m.31	5^m.66		d	Eclipsing binary Algol type
CK Ori	Orion		5^m.9	7^m.1		~120 d	Semiregular
κ Pav	Pavo		3^m.91	4^m.78		d	Type II Cepheid
S Pav	Pavo		6^m.6	10^m.4		381 d	Semiregular
β Peg	Pegasus	Schmidt, 1847	2^m.31	2^m.74			LB
ε Peg	Pegasus		0^m.7	3^m.5			LC
R Peg	Pegasus	Hind, 1848	6^m.9	13^m.8		378 d	Mira variable
X Peg	Pegasus		8^m.8	14^m.4		201 d	Mira variable
β Per	Perseus	Geminiano Montanari, 1669	2^m.12	3^m.39		d	Eclipsing binary Algol type	The Demon Star
DY Persei	Perseus						R Coronae Borealis / DY Persei /
φ Per	Perseus		3^m.96	4^m.11		d	Gamma Cassiopeiae
ρ Per	Perseus		3^m.30	4^m.0		~50 d	Semiregular
X Per	Perseus		6^m.03	7^m.0			Gamma Cassiopeiae
ζ Phe	Phoenix		3^m.91	4^m.42		d	Eclipsing binary Algol type
R Pic	Pictor		6^m.35	10^m.1		171 d	Semiregular
R Psc	Pisces	Hind, 1850	7^m.0	14^m.8		345 d	Mira variable
TX Psc	Pisces		4^m.79	5^m.20			LB
L² Pup	Puppis		2^m.6	6^m.2		141 d	Semiregular
RS Pup	Puppis		6^m.52	7^m.67		d	Classical Cepheid
T Pyx	Pyxis		7^m.0	15^m.77			recurrent nova
S Scl	Sculptor		5^m.5	13^m.6		363 d	Mira variable
RR Sco	Scorpius		5^m.0	12^m.4		281 d	Mira variable
RS Sco	Scorpius		6^m.2	13^m.0		320 d	Mira variable
RT Sco	Scorpius		7^m.0	15^m.2		449 d	Mira variable
R Sct	Scutum	Pigott, 1795	4^m.2	8^m.6		d	RV Tauri variable
R Ser	Serpens	Harding, 1826	5^m.16	14^m.4		356 d	Mira variable
S Ser	Serpens	Harding, 1828	7^m.0	14^m.1		372 d	Mira variable
U Sge	Sagitta		6^m.45	9^m.28		d	Eclipsing binary Algol type
WZ Sge	Sagitta		7^m.0	15^m.53			dwarf nova
RR Sgr	Sagittarius		5^m.4	14^m.0		336 d	Mira variable
R Sgr	Sagittarius		6^m.7	12^m.83		270 d	Mira variable
U Sgr	Sagittarius		6^m.28	7^m.15		d	Classical Cepheid
RT Sgr	Sagittarius		6^m.0	14^m.1		306 d	Mira variable
RU Sgr	Sagittarius		6^m.0	13^m.8		240 d	Mira variable
RY Sgr	Sagittarius		5^m.8	14^m.0			R Coronae Borealis
VX Sgr	Sagittarius		6^m.52	14^m.0		732 d	Semiregular
λ Tau	Taurus	Baxendell, 1848	3^m.37	3^m.91		d	Eclipsing binary Algol type
R Tau	Taurus	Hind, 1849	7^m.6	15^m.8		321 d	Mira variable
T Tau	Taurus		9^m.3	13^m.5			Orion variable
SU Tau	Taurus		9^m.1	16^m.86			R Coronae Borealis
R Tri	Triangulum		5^m.4	12^m.6		267 d	Mira variable
R UMa	Ursa Major		6^m.5	13^m.7		302 d	Mira variable
T UMa	Ursa Major		6^m.6	13^m.5		257 d	Mira variable
U UMa	Ursa Major		6^m.20	6^m.25			-
W UMa	Ursa Major		7^m.75	8^m.48		d	Eclipsing binary W Ursae Majoris type
Z UMa	Ursa Major		6^m.2	9^m.4		196 d	Semiregular
α UMi	Ursa Minor		1^m.86	2^m.13		d	Classical Cepheid
R Vir	Virgo	Harding, 1809	6^m.1	12^m.1		146 d	Mira variable
S Vir	Virgo		6^m.3	13^m.2		375 d	Mira variable