Llista d'estrelles variables
Hi ha més de 50.000 estrelles variables conegudes, de manera que una llista completa d'estrelles variables és impossible. La següent llista recull aquelles variables més conegudes, més brillants, més significatives o més interessants per qualsevol altre motiu.
| Denominació (nom) | Constel·lació | Descobriment | Magnitud aparent * (màxima) | Magnitud aparent * (mínima) | Període | Tipus | Notes |
|---|---|---|---|---|---|---|---|
| AQ And | Andròmeda | 7m.7 | 9m.5 | 169 d | Semiregular (SRB) | ||
| R And | Andròmeda | 5m.8 | 14m.9 | 409 d | Mira (M) | ||
| S And (SN 1885A) | Andròmeda | Ernst Hartwig, 20 d'agost, 1885 | 5m.8 | <16m | - | Supernova (SNI) | |
| U Ant | Antlia | 8m.1 (p) | 9m.7 (p) | - | LB | ||
| θ Aps | Apus | 6m.4 (p) | 8m.6 (p) | 119 d | Semiregular (SRB) | ||
| η Aql | Aquila | Pigott, 1784 | 3m.48 | 4m.39 | 7.17664 d | Cefeida (DCEP) | |
| R Aql | Aquila | 5m.5 | 12m.0 | 284 d | Mira (M) | ||
| V Aql | Aquila | 6m.6 | 8m.4 | 353 d | Semiregular (SRB) | ||
| W Aql | Aquila | 7m.3 | 14m.3 | 490 d | Mira (M) | ||
| FF Aql | Aquila | 5m.18 | 5m.68 | 4.47092 d | Cefeida (DCEP) | ||
| R Aqr | Aquari | Karl Ludwig Harding, 1811 | 5m.8 | 12m.4 | 387 d | Mira (M) | |
| T Aqr | Aquari | 7m.2 | 14m.2 | 202 d | Mira (M) | ||
| U Ara | Ara | 7m.7 | 14m.1 | 225 d | Mira (M) | ||
| R Ari | Àries | 7m.4 | 13m.7 | 187 d | Mira (M) | ||
| U Ari | Àries | 7m.2 | 15m.2 | 371 d | Mira (M) | ||
| V Ari | Àries | 8m.45 | 8m.90 | 58,7 d | Semiregular (SRC) | ||
| RZ Ari | Àries | 5m.62 | 6m.01 | 30.0 d | Semiregular (SRB) | ||
| ε Aur (Almaaz) | Auriga | J.H. Fritsch, 1821 | 2m.92 | 3m.83 | 27.08 anys | Algol (EA/GS) | |
| R Aur | Auriga | 6m.7 | 13m.9 | 458 d | Mira (M) | ||
| AE Aur | Auriga | 5m.78 | 6m.08 | - | Variable Orió (INA) | ||
| R Boo | Boötes | 6m.2 | 13m.1 | 223 d | Mira (M) | ||
| W Boo | Boötes | 4m.73 | 5m.4 | ~450 d | Semiregular (SRB:) | ||
| X Cam | Camelopardalis | 7m.4 | 14m.2 | 144 d | Mira (M) | ||
| Z Cam | Camelopardalis | 10m.0 | 14m.5 | - | prototipus UGZ | ||
| VZ Cam | Camelopardalis | 4m.80 | 4m.96 | 23.7 d | Semiregular (SR) | ||
| R Cap | Capricornus | Hind, 1848 | 9m.4 | 14m.9 | 345 d | Mira (M) | |
| η Car | Carina | Burchell, 1827 | -0m.8 | 7m.9 | - | Variable S Doradus (SDOR) | "La supergegant impredictible" |
| l Car | Carina | 3m.28 | 4m.18 | 35.53584 d | Cefeida (DCEP) | ||
| R Car | Carina | 3m.9 | 10m.5 | 309 d | Mira (M) | ||
| S Car | Carina | 4m.5 | 9m.9 | 149 d | Mira (M) | ||
| γ Cas | Cassiopeia | 1m.6 | 3m.0 | - | Gamma Cassiopeiae (GCAS) | ||
| R Cas | Cassiopeia | 4m.7 | 13m.5 | 430 d | Mira (M) | ||
| S Cas | Cassiopeia | 7m.9 | 16m.1 | 612 d | Mira (M) | ||
| W Cas | Cassiopeia | 7m.8 | 12m.5 | 406 d | Mira (M) | ||
| WZ Cas | Cassiopeia | 9m.4 | 11m.4 | 366 d | Semiregular (SRB) | ||
| R Cen | Centaurus | 5m.3 | 11m.8 | 546 d | Mira (M) | ||
| S Cen | Centaurus | 9m.2 (p) | 10m.7 (p) | 65 d | Semiregular (SR) | ||
| T Cen | Centaurus | 5m.5 | 9m.0 | 90.44 d | Semiregular (SRA) | ||
| U Cen | Centaurus | 7m.0 | 14m.0 | 220 d | Mira (M) | ||
| TT Cen | Centaurus | 11m.5 | 16m.5 | 462 d | Mira (M) | ||
| XX Cen | Centaurus | 7m.30 | 8m.31 | 10.95351 d | Cefeida (DCEP) | ||
| V645 Cen (Pròxima Centauri) | Centaurus | 12m.1 (B) | 13m.12 (B) | - | UV Ceti (UV) | L'estrella més propera al Sol | |
| δ Cep | Cepheus | John Goodricke, 1784 | 3m.48 | 4m.37 | 5.36634 d | prototipus de Cefeida (DCEP) | Estrella doble visible amb binoculars |
| μ Cep | Cepheus | William Herschel, 1782 | 3m.43 | 5m.1 | 730 d | Semiregular (SRC) | |
| S Cep | Cepheus | 7m.4 | 12m.9 | 487 d | Mira (M) | ||
| T Cep | Cepheus | 5m.2 | 11m.3 | 388 d | Mira (M) | ||
| U Cep | Cepheus | 6m.75 | 9m.24 | 2.49305 d | Algol (EA/SD) | ||
| SS Cep | Cepheus | 8m.0 (p) | 9m.1 (p) | 90 d | Semiregular (SRB) | ||
| AR Cep | Cepheus | 7m.0 | 7m.9 | - | Semiregular (SRB) | ||
| ο Cet (Mira) | Cetus | David Fabricius, 1596; la variabilitat pot haver estat descoberta per Johannes Fokkes Holwarda, 1638 | 2m.0 | 10m.1 | 332 d | Mira (M) | "Meravellosa" |
| T Cet | Cetus | 5m.0 | 6m.9 | 159 d | Semiregular (SRC) | ||
| U Cet | Cetus | 6m.8 | 13m.4 | 235 d | Mira (M) | ||
| W Cet | Cetus | 7m.1 | 14m.8 | 351 d | Mira (M) | ||
| R Cha | Chamaeleon | 7m.5 | 14m.2 | 335 d | Mira (M) | ||
| R CMa | Canis Major | 5m.70 | 6m.34 | 1.13594 d | Algol (EA/SD) | ||
| VY CMa | Canis Major | 6m.5 | 9m.6 | - | única | ||
| FW CMa | Canis Major | 5m.00 | 5m.50 | - | Gamma Cassiopeiae (GCAS) | ||
| S CMi | Canis Minor | 6m.6 | 13m.2 | 333 d | Mira (M) | ||
| R Cnc | Cranc | 6m.07 | 11m.8 | 362 d | Mira (M) | ||
| S Cnc | Cranc | Hind, 1848 | 8m.29 | 10m.25 | 9.48455 d | Algol (EA/DS) | |
| T Cnc | Cranc | Hind, 1850 | 7m.6 | 10m.5 | 482 d | Semiregular (SRB) | |
| X Cnc | Cranc | 5m.6 | 7m.5 | ~195 d | Semiregular (SRB) | ||
| T Col | Columba | 6m.6 | 12m.7 | 226 d | Mira (M) | ||
| R Com | Coma Berenices | 7m.1 | 14m.6 | 363 d | Mira (M) | ||
| α CrB (Alphecca) | Corona Borealis | 2m.21 (B) | 2m.32 (B) | 17.35991 d | Algol (EA/DM) | ||
| R CrB | Corona Borealis | Pigott, 1795 | 5m.71 | 14m.8 | - | Estrella variable R Coronae Borealis (RCB) | |
| S CrB | Corona Borealis | 5m.8 | 14m.1 | 360 d | Mira (M) | ||
| T CrB | Corona Borealis | 2m.0 | 10m.8 | (80 anys) | Nova recurrent (NR) | ||
| U CrB | Corona Borealis | 7m.66 | 8m.79 | 3.45220 d | Algol (EA/SD) | ||
| V CrB | Corona Borealis | 6m.9 | 12m.6 | 358 d | Mira (M) | ||
| W CrB | Corona Borealis | 7m.8 | 14m.3 | 238 d | Mira (M) | ||
| R Cru | Crux | 6m.40 | 7m.23 | 5.82575 d | Cefeida (DCEP) | ||
| R Crv | Corvus | 6m.7 | 14m.4 | 317 d | Mira (M) | ||
| χ Cyg | Cygnus | Kirch, 1686 | 3m.3 | 14m.2 | 408 d | Mira (M) | |
| R Cyg | Cygnus | 6m.1 | 14m.4 | 426 d | Mira (M) | ||
| U Cyg | Cygnus | 5m.9 | 12m.1 | 463 d | Mira (M) | ||
| W Cyg | Cygnus | 6m.80 (B) | 8m.9 (B) | 131 d | Semiregular (SRB) | ||
| X Cyg | Cygnus | 5m.85 | 6m.91 | 16.38633 d | Cefeida (DCEP) | ||
| RT Cyg | Cygnus | 6m.0 | 13m.1 | 190 d | Mira (M) | ||
| SS Cyg | Cygnus | 7m.7 | 12m.4 | (49.5 d) | prototipus UGSS | ||
| SU Cyg | Cygnus | 6m.44 | 7m.22 | 3.84555 d | Cefeida (DCEP) | ||
| TT Cyg | Cygnus | 10m.2 | 11m.9 | 118 d | Semiregular (SRB) | ||
| CH Cyg | Cygnus | 5m.60 | 8m.49 | - | Z Andromedae (ZAND+SR) | ||
| R Del | Delphinus | 7m.6 | 13m.8 | 285 d | Mira (M) | ||
| U Del | Delphinus | 7m.6 (p) | 8m.9 (p) | ~110 d | Semiregular (SRB) | ||
| EU Del | Delphinus | 5m.79 | 6m.9 | 59.7 d | Semiregular (SRB) | ||
| β Dor | Dorado | 3m.46 | 4m.08 | 9.8426 d | Cefeida (DCEP) | ||
| S Dor | Dorado | 8m.6 (B) | 11m.5 (B) | - | prototipus SDOR | en el Gran Núvol de Magallanes | |
| R Dra | Draco | 6m.7 | 13m.2 | 246 d | Mira (M) | ||
| T Eri | Eridanus | 7m.2 | 13m.2 | 252 d | Mira (M) | ||
| R For | Fornax | 7m.5 | 13m.0 | 389 d | Mira (M) | ||
| η Gem (Tejat Prior) | Bessons | 3m.15 | 3m.9 | 233 d | Semiregular (SRA+EA) | ||
| ζ Gem (Mekbuda) | Bessons | 3m.62 | 4m.18 | 10.15073 d | Cefeida (DCEP) | ||
| R Gem | Bessons | Hind, 1848 | 6m.0 | 14m.0 | 370 d | Mira (M) | |
| S Gem | Bessons | Hind, 1848 | 8m.0 | 14m.7 | 293 d | Mira (M) | |
| T Gem | Bessons | Hind, 1848 | 8m.0 | 15m.0 | 288 d | Mira (M) | |
| U Gem | Bessons | 8m.2 | 14m.9 | (105.2 d) | Nova nana (UGSS+E) | ||
| TU Gem | Bessons | 9m.4 | 12m.5 | 230 d | Semiregular (SRB) | ||
| S Gru | Grus | 6m.0 | 15m.0 | 402 d | Mira (M) | ||
| α Her (Ras Algethi) | Hèrcules | William Herschel, 1759 | 2m.74 | 4m.0 | - | Semiregular (SRC) | |
| g Her (30 Herculis) | Hèrcules | 4m.3 | 6m.3 | 89.2 d | Semiregular (SRB) | ||
| u Her (68 Herculis) | Hèrcules | 4m.69 | 5m.37 | 2.05103 d | Algol (EA/SD) | ||
| S Her | Hèrcules | 6m.4 | 13m.8 | 307 d | Mira (M) | ||
| U Her | Hèrcules | 6m.4 | 13m.4 | 406 d | Mira (M) | ||
| X Her | Hèrcules | 7m.5 (p) | 8m.6 (p) | 95.0 d | Semiregular (SRB) | ||
| R Hor | Horologium | 4m.7 | 14m.3 | 408 d | Mira (M) | ||
| U Hor | Horologium | 7m.8 (p) | <15m.1 (p) | 348 d | Mira (M) | ||
| TW Hor | Horologium | 5m.52 | 5m.95 | 158 d | Semiregular (SRB) | ||
| R Hya | Hydra | Maraldi, 1704 | 3m.5 | 10m.9 | 389 d | Mira (M) | |
| S Hya | Hydra | Hind, 1848 | 7m.2 | 13m.3 | 257 d | Mira (M) | |
| U Hya | Hydra | 7m.0 (B) | 9m.4 (B) | ~450 d | Semiregular (SRB) | ||
| VW Hya | Hydra | 10m.5 | 14m.1 | 2.69642 d | Algol (EA/SD) | ||
| EW Lac | Lacerta | 5m.22 | 5m.48 | - | Gamma Cassiopeiae (GCAS) | ||
| R Leo | Lleó | Koch, 1782 | 4m.4 | 11m.3 | 310 d | Mira (M) | |
| R Lep | Lepus | 5m.5 | 11m.7 | 427 d | Mira (M) | Estrella carmesí de Hind | |
| RX Lep | Lepus | 5m.0 | 7m.4 | ~60 d | Semiregular (SRB) | ||
| R LMi | Leo Minor | 6m.3 | 13m.2 | 372 d | Mira (M) | ||
| RU Lup | Lupus | 9m.6 (p) | 13m.4 (p) | - | Variable Orió (INT) | ||
| R Lyn | Lynx | 7m.2 | 14m.3 | 378.75 d | Mira (M) | ||
| RR Lyn | Lynx | 5m.52 | 6m.03 | 9.94508 d | Algol (EA/DM) | ||
| β Lyr | Lyra | John Goodricke, 1784 | 3m.25 | 4m.36 | 12.91383 d | prototipus EB | |
| R Lyr | Lyra | 3m.88 | 5m.0 | ~46 d | Semiregular (SRB) | ||
| RR Lyr | Lyra | 7m.06 | 8m.12 | 0.566868 d | prototipus RRAB | ||
| U Mic | Microscopium | 7m.0 | 14m.4 | 334 d | Mira (M) | ||
| T Mon | Monoceros | 5m.58 | 6m.62 | 27.0246 d | Cefeida (DCEP) | ||
| U Mon | Monoceros | 6m.1 (p) | 8m.8 (p) | 91.3 d | Variable RV Tauri (RVB) | ||
| V Mon | Monoceros | 6m.0 | 13m.9 | 341 d | Mira (M) | ||
| S Mus | Musca | 5m.89 | 6m.49 | 9.66007 d | Cefeida (DCEP) | ||
| R Nor | Norma | 6m.5 (p) | 13m.9 (p) | 508 d | Mira (M) | ||
| T Nor | Norma | 6m.2 | 13m.6 | 241 d | Mira (M) | ||
| R Oct | Octans | 6m.4 | 13m.2 | 405 d | Mira (M) | ||
| S Oct | Octans | 7m.2 | 14m.0 | 259 d | Mira (M) | ||
| V Oph | Ophiuchus | 7m.3 | 11m.6 | 297 d | Mira (M) | ||
| X Oph | Ophiuchus | 5m.9 | 9m.2 | 329 d | Mira (M) | ||
| RS Oph | Ophiuchus | 4m.3 | 12m.5 | - | Nova recurrent (NR) | ||
| BF Oph | Ophiuchus | 6m.93 | 7m.71 | 4.06775 d | Cefeida (DCEP) | ||
| α Ori (Betelgeuse) | Orió | John Herschel, 1840 | 0m.0 | 1m.3 | 6.39 anys | Semiregular (SRC) | |
| δ Ori (Mintaka) | Orió | John Herschel, 1834 | 2m.14 | 2m.26 | 5.73248 d | Algol (EA/DM) | |
| R Ori | Orió | Hind, 1848 | 9m.05 | 13m.4 | 377 d | Mira (M) | |
| S Ori | Orió | 7m.20 | 14m.0 | 414 d | Mira (M) | ||
| U Ori | Orió | 4m.8 | 13m.0 | 368 d | Mira (M) | ||
| W Ori | Orió | 8m.2 (p) | 12m.4 (p) | 212 d | Semiregular (SRB) | ||
| VV Ori | Orió | 5m.31 | 5m.66 | 1.48538 d | Algol (EA/KE:) | ||
| CK Ori | Orió | 5m.9 | 7m.1 | ~120 d | Semiregular (SR:) | ||
| κ Pav | Gall dindi | 3m.91 | 4m.78 | 9.09423 d | Cefeida (CEP) | ||
| S Pav | Gall dindi | 6m.6 | 10m.4 | 381 d | Semiregular (SRA) | ||
| β Peg (Scheat) | Pegasus | Schmidt, 1847 | 2m.31 | 2m.74 | - | LB | |
| R Peg | Pegasus | Hind, 1848 | 6m.9 | 13m.8 | 378 d | Mira (M) | |
| X Peg | Pegasus | 8m.8 | 14m.4 | 201 d | Mira (M) | ||
| β Per (Algol) | Perseus | Geminiano Montanari, 1669 | 2m.12 | 3m.39 | 2.86730 d | Algol (EA/SD) | Estrella del Diable |
| DY Persei | Perseus | DY Persei / R Coronae Borealis | |||||
| φ Per | Perseus | 3m.96 | 4m.11 | 19.5 d | Gamma Cassiopeiae (GCAS) | ||
| ρ Per (Gorgonea Tertia) | Perseus | 3m.30 | 4m.0 | ~50 d | Semiregular (SRB) | ||
| S Per | Perseus | 7m.9 | 12m.0 | ~822 d | Semiregular (SRC) | ||
| W Per | Perseus | 8m.7 | 11m.3 | ~485 d | Semiregular (SRC) | ||
| X Per | Perseus | 6m.03 | 7m.0 | - | Gamma Cassiopeiae (GCAS+XP) | ||
| ζ Phe | Phoenix | 3m.91 | 4m.42 | 1.66977 d | Algol (EA/DM) | ||
| R Pic | Pictor | 6m.35 | 10m.1 | 171 d | Semiregular (SR) | ||
| R Psc | Peixos | Hind, 1850 | 7m.0 | 14m.8 | 345 d | Mira (M) | |
| Z Psc | Peixos | 8m.8 | 10m.1 | 144 d | Semiregular (SRB) | ||
| TX Psc | Peixos | 4m.79 | 5m.20 | - | LB | ||
| L² Pup | Puppis | 2m.6 | 6m.2 | 141 d | Semiregular (SRB) | ||
| RS Pup | Puppis | 6m.52 | 7m.67 | 41.3876 d | Cefeida (DCEP) | ||
| T Pyx | Pyxis | 7m.0 (B) | 15m.77 (B) | (20 anys) | Nova recurrent (NR) | ||
| S Scl | Sculptor | 5m.5 | 13m.6 | 363 d | Mira (M) | ||
| RR Sco | Scorpius | 5m.0 | 12m.4 | 281 d | Mira (M) | ||
| RS Sco | Scorpius | 6m.2 | 13m.0 | 320 d | Mira (M) | ||
| RT Sco | Scorpius | 7m.0 | 15m.2 | 449 d | Mira (M) | ||
| R Sct | Scutum | Pigott, 1795 | 4m.2 | 8m.6 | 146.5 d | Variable RV Tauri (RVA) | |
| R Ser | Serpens | Harding, 1826 | 5m.16 | 14m.4 | 356 d | Mira (M) | |
| S Ser | Serpens | Harding, 1828 | 7m.0 | 14m.1 | 372 d | Mira (M) | |
| S Sge | Sagitta | 5m.24 | 6m.04 | 8.38209 d | Cefeida (DCEP) | ||
| U Sge | Sagitta | 6m.45 | 9m.28 | 3.38062 d | Algol (EA/SD) | ||
| WZ Sge | Sagitta | 7m.0 (B) | 15m.53 (B) | (33 años) | Nova nana (UGSU+E+ZZ) | ||
| R Sgr | Sagitari | 6m.7 | 12m.83 | 270 d | Mira (M) | ||
| U Sgr | Sagitari (a M25) | 6m.28 | 7m.15 | 6.74523 d | Cefeida (DCEP) | ||
| W Sgr | Sagitari | 4m.29 | 5m.14 | 7.5950 d | Cefeida (DCEP) | ||
| X Sgr | Sagitari | 4m.24 | 4m.84 | 7.0128 d | Cefeida (DCEP) | ||
| Y Sgr | Sagitari | 5m.25 | 6m.24 | 5.7736 d | Cefeida (DCEP) | ||
| RR Sgr | Sagitari | 5m.4 | 14m.0 | 336 d | Mira (M) | ||
| RT Sgr | Sagitari | 6m.0 | 14m.1 | 306 d | Mira (M) | ||
| RU Sgr | Sagitari | 6m.0 | 13m.8 | 240 d | Mira (M) | ||
| RY Sgr | Sagitari | 5m.8 | 14m.0 | - | R Coronae Borealis (RCB) | ||
| VX Sgr | Sagitari | 6m.52 | 14m.0 | 732 d | Semiregular (SRC) | ||
| V350 Sgr | Sagitari | 7m.08 | 7m.83 | 5.15424 d | Cefeida (DCEP) | ||
| λ Tau | Taure | Baxendell, 1848 | 3m.37 | 3m.91 | 3.95295 d | Algol (EA/DM) | |
| R Tau | Taure | Hind, 1849 | 7m.6 | 15m.8 | 321 d | Mira (M) | |
| T Tau | Taure | 9m.3 | 13m.5 | - | Variable Orió (INT) | ||
| Y Tau | Taure | 6m.5 | 9m.2 | 241.5 d | Semiregular (SRB) | ||
| SU Tau | Taure | 9m.1 | 16m.86 | - | R Coronae Borealis (RCB) | ||
| CE Tau (119 Tauri) | Taure | 4m.23 | 4m.54 | 165 d | Semiregular (SRC) | ||
| R Tri | Triangulum | 5m.4 | 12m.6 | 267 d | Mira (M) | ||
| R UMa | Ursa Major | 6m.5 | 13m.7 | 302 d | Mira (M) | ||
| T UMa | Ursa Major | 6m.6 | 13m.5 | 257 d | Mira (M) | ||
| U UMa | Ursa Major | 6m.20 | 6m.25 | - | - | ||
| Z UMa | Ursa Major | 6m.2 | 9m.4 | 196 d | Semiregular (SRB) | ||
| α UMi (Polaris) | Ursa Minor | 1m.86 | 2m.13 | 3.9696 d | Cefeida (DCEPS) | ||
| RR UMi | Ursa Minor | 4m.53 | 4m.73 | 43.3 d | Semiregular (SRB) | ||
| R Vir | Verge | Harding, 1809 | 6m.1 | 12m.1 | 146 d | Mira (M) | |
| S Vir | Verge | 6m.3 | 13m.2 | 375 d | Mira (M) | ||
| T Vir | Verge | Bogulawski, 1849 | 9m.0 | 14m.8 | 339 d | Mira (M) | |
| U Vir | Verge | Harding, 1831 | 7m.4 | 13m.5 | 207 d | Mira (M) | |
| W Vir | Verge | 9m.46 | 10m.75 | 17.2736 d | prototipus CWA (estrella variable W Virginis) | ||
| RU Vir | Verge | Arthur Roy, 1897 | 9m.0 | 14m.2 | 433 d | Mira (M) | |
| SS Vir | Verge | 6m.0 | 9m.6 | 364 d | Semiregular (SRA) | ||
| R Vul | Vulpecula | 7m.0 | 14m.3 | 137 d | Mira (M) | ||
| S Vul | Vulpecula | Rogerson, 1837 | 8m.69 | 9m.42 | 68.464 d | Cefeida (DCEP) | |
| U Vul | Vulpecula | 6m.73 | 7m.54 | 7.99068 d | Cefeida (DCEP) | ||
| Z Vul | Vulpecula | 7m.25 | 8m.90 | 2.45493 d | Algol (EA/SD) |
- Si no està especificada, la magnitud és visual / (B) = blau / p = fotogràfica
Referències
[modifica]- David H. Levy, Observing variable stars : a guide for the beginner
- General Catalogue of Variable Stars