こと座の恒星の一覧
一覧

| 名前 | B | F | HD | HIP | 赤経 | 赤緯 | 視等級 | 絶対等級 | 距離（光年） | スペクトル型 | 備考 |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| ベガ | α | 3 | 172167 | 91262 |  18h 36m 56.3s | +38° 47′ 01.3″ | 0.03 | 0.604 | 25.03 | A0V | Wega, Fidis, Harp Star; 全天21の1等星の1つ、原始惑星系円盤、太陽系外惑星 |
| こと座γ星 | γ | 14 | 176437 | 93194 |  18h 58m 56.6s | +32° 41′ 22.4″ | 3.250 | -3.145 | 620 | B9III | Sulafat, Sulaphat |
| こと座β星 | β | 10 | 174638 | 92420 |  18h 50m 04.8s | +33° 21′ 45.6″ | 3.42 | -3.929 | 962 | B8II-IIIep | Sheliak, Shelyak, Shiliak; こと座β型変光星; 三重星 |
| こと座R星 |  | 13 | 175865 | 92862 |  18h 55m 20.09s | +43° 56′ 45.2″ | 4.08 | -1.07 | 349 | M5IIIvar | 半規則型変光星 |
| こと座δ2星 | δ2 | 12 | 175588 | 92791 |  18h 54m 30.29s | +36° 53′ 55.0″ | 4.22 | -2.98 | 898 | M4IIvar |  |
| こと座κ星 | κ | 1 | 168775 | 89826 |  18h 19m 51.72s | +36° 03′ 52.0″ | 4.33 | 0.02 | 238 | K2IIIvar |  |
| こと座ζ星 | ζ1 | 6 | 173648 | 91971 |  18h 44m 46.34s | +37° 36′ 18.2″ | 4.34 | 0.97 | 154 | Am |  |
| こと座θ星 | θ | 21 | 180809 | 94713 |  19h 16m 22.10s | +38° 08′ 01.4″ | 4.35 | -2.51 | 769 | K0II |  |
| こと座η星 | η | 20 | 180163 | 94481 |  19h 13m 45.49s | +39° 08′ 45.5″ | 4.43 | -3.09 | 1042 | B2.5IV | Aladfar |
| こと座ε星2A | ε2 | 5 | 173607 | 91926 |  18h 44m 22.78s | +39° 36′ 45.3″ | 4.59 | 1.13 | 160 | A8Vn | こと座ε星系; 連星 |
| こと座ε星1A | ε1 | 4 | 173582 | 91919 |  18h 44m 20.34s | +39° 40′ 11.9″ | 4.67 | 1.19 | 162 | F1V | こと座ε星系; 連星 |
|  |  |  | 173780 | 92088 |  18h 46m 04.47s | +26° 39′ 43.5″ | 4.83 | 0.39 | 252 | K3III |  |
| こと座λ星 | λ | 15 | 176670 | 93279 |  19h 00m 00.82s | +32° 08′ 43.8″ | 4.94 | -3.43 | 1538 | K3III |  |
| こと座16番星 |  | 16 | 177196 | 93408 |  19h 01m 26.36s | +46° 56′ 06.1″ | 5.00 | 2.04 | 128 | A7V |  |
| こと座μ星 | μ | 2 | 169702 | 90191 |  18h 24m 13.80s | +39° 30′ 26.1″ | 5.11 | -0.55 | 441 | A3IVn | Alathfar, Al Athfar |
|  |  |  | 176051 | 93017 |  18h 57m 01.47s | +32° 54′ 05.8″ | 5.20 | 4.32 | 49 | G0V |  |
| こと座17番星 |  | 17 | 178449 | 93917 |  19h 07m 25.50s | +32° 30′ 06.0″ | 5.20 | 2.16 | 132 | F0V |  |
| こと座ν2星 | ν, ν2 | 9 | 174602 | 92405 |  18h 49m 52.92s | +32° 33′ 03.9″ | 5.22 | 0.90 | 238 | A3V |  |
| こと座ι星 | ι | 18 | 178475 | 93903 |  19h 07m 18.13s | +36° 06′ 00.6″ | 5.25 | -1.78 | 832 | B6IV |  |
|  |  |  | 176527 | 93256 |  18h 59m 45.43s | +26° 13′ 49.6″ | 5.26 | 0.12 | 348 | K2III |  |
| こと座ε星2B | ε2 | 5 | 173608 |  |  18h 44m 22.90s | +39° 36′ 46.0″ | 5.37 |  |  |  | こと座ε星系 |
|  |  |  | 172044 | 91235 |  18h 36m 37.35s | +33° 28′ 08.5″ | 5.41 | -0.61 | 522 | B8II-IIIp.. |  |
|  |  |  | 175740 | 92831 |  18h 54m 52.18s | +41° 36′ 09.8″ | 5.46 | 0.89 | 267 | G8III |  |
|  |  |  | 171301 | 90923 |  18h 32m 49.95s | +30° 33′ 15.1″ | 5.47 | 0.22 | 365 | B8IV |  |
|  |  |  | 178233 | 93843 |  19h 06m 37.68s | +28° 37′ 42.2″ | 5.53 | 2.48 | 133 | F0III |  |
|  |  |  | 167965 | 89482 |  18h 15m 38.78s | +42° 09′ 33.6″ | 5.56 | -0.53 | 540 | B7IV |  |
| こと座δ1星 | δ1 | 11 | 175426 | 92728 |  18h 53m 43.56s | +36° 58′ 18.2″ | 5.58 | -2.02 | 1079 | B2.5V |  |
|  |  |  | 177808 | 93718 |  19h 04m 57.82s | +31° 44′ 39.3″ | 5.63 | -0.72 | 606 | M0III |  |
|  |  |  | 175443 | 92768 |  18h 54m 13.25s | +27° 54′ 34.9″ | 5.64 | 0.17 | 405 | K4III |  |
|  |  |  | 173417 | 91883 |  18h 43m 51.61s | +31° 55′ 36.9″ | 5.68 | 2.10 | 169 | F1III-IV |  |
|  |  |  | 176871 | 93393 |  19h 01m 17.36s | +26° 17′ 29.2″ | 5.69 | -0.96 | 697 | B5V |  |
| こと座ζ星 | ζ2 | 7 | 173649 | 91973 |  18h 44m 48.19s | +37° 35′ 40.4″ | 5.73 | 2.41 | 150 | F0IVvar |  |
|  |  |  | 182694 | 95352 |  19h 23m 56.49s | +43° 23′ 17.7″ | 5.85 | 0.38 | 404 | G6.5IIIa |  |
|  |  |  | 180450 | 94630 |  19h 15m 24.84s | +30° 31′ 35.2″ | 5.88 | -2.25 | 1376 | M0III |  |
|  |  |  | 176318 | 93104 |  18h 58m 01.90s | +38° 15′ 58.3″ | 5.89 | -0.11 | 516 | B7IV |  |
| こと座ν1星 | ν1 | 8 | 174585 | 92398 |  18h 49m 45.91s | +32° 48′ 46.2″ | 5.93 | -1.52 | 1009 | B3IV |  |
| こと座19番星 |  | 19 | 179527 | 94311 |  19h 11m 46.01s | +31° 17′ 00.5″ | 5.93 | -1.46 | 979 | B9p Si |  |
|  |  |  | 175635 | 92833 |  18h 54m 52.52s | +33° 58′ 06.9″ | 5.99 | -2.06 | 1331 | G8III+... |  |
| こと座XY星 |  |  | 172380 | 91373 |  18h 38m 06.47s | +39° 40′ 05.9″ | 6.02 | -1.81 | 1199 | M4.5II | 変光星 |
| こと座ε星1B | ε1 | 4 | 173583 |  |  18h 44m 20.30s | +39° 40′ 16.0″ | 6.02 |  |  |  | こと座ε星系 |
|  |  |  | 176896 | 93354 |  19h 00m 55.20s | +33° 48′ 07.7″ | 6.04 | 0.62 | 396 | K0III: |  |
| HD 173416 |  |  | 173416 | 91852 |  18h 43m 36.11s | +36° 33′ 23.8″ | 6.06 | 0.41 | 440 | G8III | 太陽系外惑星 (b) |
|  |  |  | 173936 | 92098 |  18h 46m 13.01s | +41° 26′ 30.5″ | 6.06 | -1.81 | 1221 | B6V |  |
|  |  |  | 174179 | 92243 |  18h 47m 57.37s | +31° 45′ 24.6″ | 6.06 | -1.50 | 1062 | B3IVp |  |
|  |  |  | 177809 | 93720 |  19h 04m 58.27s | +30° 44′ 00.4″ | 6.07 | -0.72 | 743 | M2III |  |
|  |  |  | 182272 | 95235 |  19h 22m 33.35s | +33° 31′ 05.6″ | 6.09 | 1.01 | 339 | K0III |  |
|  |  |  | 171780 | 91119 |  18h 35m 13.50s | +34° 27′ 28.8″ | 6.10 | -1.42 | 1038 | B5Vn |  |
|  |  |  | 174959 | 92551 |  18h 51m 36.52s | +36° 32′ 20.8″ | 6.10 | -1.58 | 1120 | B6IV |  |
|  |  |  | 168322 | 89604 |  18h 17m 06.95s | +40° 56′ 11.7″ | 6.12 | 0.98 | 348 | G9III |  |
|  |  |  | 180583 | 94685 |  19h 15m 59.49s | +27° 55′ 34.7″ | 6.18 | -2.38 | 1680 | F6Ib-II |  |
|  |  |  | 176502 | 93177 |  18h 58m 46.59s | +40° 40′ 45.1″ | 6.20 | -1.12 | 948 | B3V |  |
|  |  |  | 179583 | 94280 |  19h 11m 23.16s | +40° 25′ 45.0″ | 6.20 | 0.40 | 471 | A3V |  |
|  |  |  | 172187 | 91250 |  18h 36m 45.53s | +43° 13′ 18.6″ | 6.21 | 0.71 | 411 | F0V |  |
|  |  |  | 174881 | 92550 |  18h 51m 35.89s | +28° 47′ 01.2″ | 6.22 | -2.23 | 1598 | K1II-III |  |
|  |  |  | 172671 | 91491 |  18h 39m 33.03s | +40° 56′ 06.2″ | 6.25 | -0.72 | 807 | B9V |  |
|  |  |  | 181470 | 94932 |  19h 19m 01.15s | +37° 26′ 43.1″ | 6.25 | -0.29 | 663 | A0III |  |
|  |  |  | 175132 | 92599 |  18h 52m 07.25s | +41° 22′ 59.7″ | 6.28 | -1.59 | 1221 | B9p Si |  |
|  |  |  | 181655 | 94981 |  19h 19m 39.04s | +37° 19′ 51.5″ | 6.29 | 4.28 | 82 | G8V |  |
|  |  |  | 168009 | 89474 |  18h 15m 32.53s | +45° 12′ 34.5″ | 6.30 | 4.52 | 74 | G2V |  |
|  |  |  | 181828 | 95067 |  19h 20m 33.05s | +35° 11′ 09.4″ | 6.30 | -0.44 | 726 | B9V |  |
|  |  |  | 183362 | 95673 |  19h 27m 36.40s | +37° 56′ 28.3″ | 6.30 | -2.71 | 2063 | B3Ve |  |
|  |  |  | 178003 | 93770 |  19h 05m 47.13s | +29° 55′ 18.1″ | 6.32 | -1.70 | 1309 | M0III |  |
|  |  |  | 179422 | 94290 |  19h 11m 30.96s | +26° 44′ 09.4″ | 6.35 | 3.18 | 141 | F5V |  |
| グリーゼ758 |  |  | 182488 | 95319 |  19h 23m 34.01s | +33° 13′ 19.1″ | 6.37 | 5.42 | 51 | G8V | 褐色矮星 |
|  |  |  | 177109 | 93437 |  19h 01m 48.37s | +33° 37′ 16.5″ | 6.39 | -1.27 | 1109 | B5IV |  |
|  |  |  | 169646 | 90163 |  18h 23m 57.27s | +38° 44′ 21.0″ | 6.41 | -0.69 | 858 | K2 |  |
|  |  |  | 172958 | 91675 |  18h 41m 41.31s | +31° 37′ 03.3″ | 6.41 | -1.24 | 1105 | B8V |  |
|  |  |  | 172631 | 91533 |  18h 40m 01.93s | +30° 50′ 57.8″ | 6.43 | 0.18 | 580 | K0 |  |
|  |  |  | 176582 | 93210 |  18h 59m 12.29s | +39° 13′ 02.4″ | 6.43 | -0.58 | 821 | B5IV |  |
|  |  |  | 182635 | 95370 |  19h 24m 06.05s | +36° 27′ 06.9″ | 6.44 | 1.22 | 360 | K1III |  |
|  |  |  | 172741 | 91552 |  18h 40m 12.19s | +38° 22′ 01.8″ | 6.45 | 0.52 | 501 | A6m |  |
|  |  |  | 173383 | 91820 |  18h 43m 16.57s | +39° 18′ 00.3″ | 6.45 | -1.65 | 1358 | K5 |  |
|  |  |  | 173087 | 91707 |  18h 42m 08.09s | +34° 44′ 46.7″ | 6.49 | -1.55 | 1320 | B5V |  |
| HD 178911 |  |  | 178911 | 94076 |  19h 09m 04.38s | +34° 36′ 01.6″ | 6.74 | 3.29 | 160 | G1V | 連星; 太陽系外惑星 (b) |
| HD 177830 |  |  | 177830 |  |  19h 05m 20.77s | +25° 55′ 14.4″ | 7.18 | 3.32 | 192 | K0 | 太陽系外惑星 (b) |
| こと座β星 | β | 10 | 174664 |  |  18h 50m 06.60s | +33° 21′ 05.0″ | 7.20 |  |  |  | こと座β星系 |
| こと座RR星 |  |  | 182989 | 95497 |  19h 25m 27.91s | +42° 47′ 03.7″ | 7.13 | 0.34 | 744 | F5 | こと座RR型変光星 |
| WASP-3 |  |  |  |  |  18h 34m 31.62s | +35° 39′ 41.5″ | 10.49 | 3.75 | 727 | F7V | 太陽系外惑星 (b) |
| GSC 02652-01324 |  |  |  |  |  19h 04m 09.84s | +36° 37′ 57.5″ | 11.79 | 5.81 | 512 | K0V | 太陽系外惑星 TrES-1 |
| HAT-P-5 |  |  |  |  |  18h 17m 37.30s | +36° 37′ 16.9″ | 11.95 | 4.29 | 1110 | G | 太陽系外惑星 HAT-P-5b |
| こと座β星 | β | 10 | 174639 |  |  18h 50m 01.20s | +33° 21′ 26.0″ | 13.40 |  |  |  | こと座β星系 |
| ケプラー8 |  |  |  |  |  18h 45m 09.15s | +42° 27′ 03.9″ | 13.9 | 3.3 | 4338 | F9 | 太陽系外惑星 (b) |
| ケプラー7 |  |  |  |  |  19h 14m 19.56s | +41° 05′ 23.3″ | 13.9 | 3.9 | 3377 | G1 | 太陽系外惑星 (b) |