Segue un prospetto delle stelle principali della costellazione della Lira, elencate per magnitudine decrescente.
Nome | Designazioni | Coordinate | Magnitudini | Dist. (al) | Classe spettrale | Note | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
B | F | HD | HIP | AR | Dec | vis. | ass. | |||||
Vega | α | 3 | 172167 | 91262 | 18h 36m 56.19s | +38° 46′ 58.8″ | 0.03 | 0.58 | 25 | A0Vvar | Wega, Fidis, Harp Star; 5° stella per luminosità della volta celeste, ha un disco protoplanetario | |
γ Lyr | γ | 14 | 176437 | 93194 | 18h 58m 56.62s | +32° 41′ 22.4″ | 3.25 | −3.20 | 634 | B9III | Sulafat, Sulaphat | |
β Lyr | β | 10 | 174638 | 92420 | 18h 50m 04.79s | +33° 21′ 45.6″ | 3.52 | −3.64 | 881 | A8:V comp SB | Sheliak, Shelyak, Shiliak; prototipo delle Variabili β Lyr; stella multipla | |
R Lyr | 13 | 175865 | 92862 | 18h 55m 20.09s | +43° 56′ 45.2″ | 4.08 | −1.07 | 349 | M5IIIvar | variabile semiregolare | ||
δ2 Lyr | δ2 | 12 | 175588 | 92791 | 18h 54m 30.29s | +36° 53′ 55.0″ | 4.22 | −2.98 | 898 | M4IIvar | ||
κ Lyr | κ | 1 | 168775 | 89826 | 18h 19m 51.72s | +36° 03′ 52.0″ | 4.33 | 0.02 | 238 | K2IIIvar | ||
ζ1 Lyr | ζ1 | 6 | 173648 | 91971 | 18h 44m 46.34s | +37° 36′ 18.2″ | 4.34 | 0.97 | 154 | Am | binaria spettroscopica | |
θ Lyr | θ | 21 | 180809 | 94713 | 19h 16m 22.10s | +38° 08′ 01.4″ | 4.35 | −2.51 | 769 | K0II | ||
η Lyr | η | 20 | 180163 | 94481 | 19h 13m 45.49s | +39° 08′ 45.5″ | 4.43 | −3.09 | 1042 | B2.5IV | Aladfar | |
ε2 Lyr A | ε2 | 5 | 173607 | 91926 | 18h 44m 22.78s | +39° 36′ 45.3″ | 4.59 | 1.13 | 160 | A8Vn | componente del sistema ε Lyr; stella doppia | |
ε1 Lyr A | ε1 | 4 | 173582 | 91919 | 18h 44m 20.34s | +39° 40′ 11.9″ | 4.67 | 1.19 | 162 | F1V | componente del sistema ε Lyr; stella doppia | |
HD 173780 | 173780 | 92088 | 18h 46m 04.47s | +26° 39′ 43.5″ | 4.83 | 0.39 | 252 | K3III | ||||
λ Lyr | λ | 15 | 176670 | 93279 | 19h 00m 00.82s | +32° 08′ 43.8″ | 4.94 | −3.43 | 1538 | K3III | ||
16 Lyr | 16 | 177196 | 93408 | 19h 01m 26.36s | +46° 56′ 06.1″ | 5.00 | 2.04 | 128 | A7V | |||
μ Lyr | μ | 2 | 169702 | 90191 | 18h 24m 13.80s | +39° 30′ 26.1″ | 5.11 | −0.55 | 441 | A3IVn | Alathfar, Al Athfar | |
HD 176051 | 176051 | 93017 | 18h 57m 01.47s | +32° 54′ 05.8″ | 5.20 | 4.32 | 49 | G0V | ||||
17 Lyr | 17 | 178449 | 93917 | 19h 07m 25.50s | +32° 30′ 06.0″ | 5.20 | 2.16 | 132 | F0V | |||
ν Lyr | ν | 9 | 174602 | 92405 | 18h 49m 52.92s | +32° 33′ 03.9″ | 5.22 | 0.90 | 238 | A3V | ||
ι Lyr | ι | 18 | 178475 | 93903 | 19h 07m 18.13s | +36° 06′ 00.6″ | 5.25 | −1.78 | 832 | B6IV | ||
HD 176527 | 176527 | 93256 | 18h 59m 45.43s | +26° 13′ 49.6″ | 5.26 | 0.12 | 348 | K2III | ||||
ε2 Lyr B | ε2 | 5 | 173608 | 18h 44m 22.90s | +39° 36′ 46.0″ | 5.37 | componente del sistema ε Lyr; | |||||
HD 172044 | 172044 | 91235 | 18h 36m 37.35s | +33° 28′ 08.5″ | 5.41 | −0.61 | 522 | B8II-IIIp.. | ||||
HD 175740 | 175740 | 92831 | 18h 54m 52.18s | +41° 36′ 09.8″ | 5.46 | 0.89 | 267 | G8III | ||||
HD 171301 | 171301 | 90923 | 18h 32m 49.95s | +30° 33′ 15.1″ | 5.47 | 0.22 | 365 | B8IV | ||||
HD 178233 | 178233 | 93843 | 19h 06m 37.68s | +28° 37′ 42.2″ | 5.53 | 2.48 | 133 | F0III | ||||
HD 167965 | 167965 | 89482 | 18h 15m 38.78s | +42° 09′ 33.6″ | 5.56 | −0.53 | 540 | B7IV | ||||
δ1 Lyr | δ1 | 11 | 175426 | 92728 | 18h 53m 43.56s | +36° 58′ 18.2″ | 5.58 | −2.02 | 1079 | B2.5V | binaria spettroscopica | |
HD 177808 | 177808 | 93718 | 19h 04m 57.82s | +31° 44′ 39.3″ | 5.63 | −0.72 | 606 | M0III | ||||
HD 175443 | 175443 | 92768 | 18h 54m 13.25s | +27° 54′ 34.9″ | 5.64 | 0.17 | 405 | K4III | ||||
HD 173417 | 173417 | 91883 | 18h 43m 51.61s | +31° 55′ 36.9″ | 5.68 | 2.10 | 169 | F1III-IV | ||||
HD 176871 | 176871 | 93393 | 19h 01m 17.36s | +26° 17′ 29.2″ | 5.69 | −0.96 | 697 | B5V | ||||
ζ2 Lyr | ζ2 | 7 | 173649 | 91973 | 18h 44m 48.19s | +37° 35′ 40.4″ | 5.73 | 2.41 | 150 | F0IVvar | componente del sistema ζ Lyr | |
HD 182694 | 182694 | 95352 | 19h 23m 56.49s | +43° 23′ 17.7″ | 5.85 | 0.38 | 404 | G6.5IIIa | ||||
HD 180450 | 180450 | 94630 | 19h 15m 24.84s | +30° 31′ 35.2″ | 5.88 | −2.25 | 1376 | M0III | ||||
HD 176318 | 176318 | 93104 | 18h 58m 01.90s | +38° 15′ 58.3″ | 5.89 | −0.11 | 516 | B7IV | ||||
ν1 Lyr | ν1 | 8 | 174585 | 92398 | 18h 49m 45.91s | +32° 48′ 46.2″ | 5.93 | −1.52 | 1009 | B3IV | ||
19 Lyr | 19 | 179527 | 94311 | 19h 11m 46.01s | +31° 17′ 00.5″ | 5.93 | −1.46 | 979 | B9p Si | |||
HD 175635 | 175635 | 92833 | 18h 54m 52.52s | +33° 58′ 06.9″ | 5.99 | −2.06 | 1331 | G8III+... | ||||
XY Lyr | 172380 | 91373 | 18h 38m 06.47s | +39° 40′ 05.9″ | 6.02 | −1.81 | 1199 | M4.5II | variabile pulsante | |||
ε1 Lyr B | ε1 | 4 | 173583 | 18h 44m 20.30s | +39° 40′ 16.0″ | 6.02 | componente del sistema ε Lyr | |||||
HD 173416 | 173416 | 91852 | 18h 43m 36.09s | +36° 33′ 23.3″ | 6.04 | 0.39 | 440 | G8 | ||||
HD 176896 | 176896 | 93354 | 19h 00m 55.20s | +33° 48′ 07.7″ | 6.04 | 0.62 | 396 | K0III: | ||||
HD 173936 | 173936 | 92098 | 18h 46m 13.01s | +41° 26′ 30.5″ | 6.06 | −1.81 | 1221 | B6V | ||||
HD 174179 | 174179 | 92243 | 18h 47m 57.37s | +31° 45′ 24.6″ | 6.06 | −1.50 | 1062 | B3IVp | ||||
HD 177809 | 177809 | 93720 | 19h 04m 58.27s | +30° 44′ 00.4″ | 6.07 | −0.72 | 743 | M2III | ||||
HD 182272 | 182272 | 95235 | 19h 22m 33.35s | +33° 31′ 05.6″ | 6.09 | 1.01 | 339 | K0III | ||||
HD 171780 | 171780 | 91119 | 18h 35m 13.50s | +34° 27′ 28.8″ | 6.10 | −1.42 | 1038 | B5Vn | ||||
HD 174959 | 174959 | 92551 | 18h 51m 36.52s | +36° 32′ 20.8″ | 6.10 | −1.58 | 1120 | B6IV | ||||
HD 168322 | 168322 | 89604 | 18h 17m 06.95s | +40° 56′ 11.7″ | 6.12 | 0.98 | 348 | G9III | ||||
HD 180583 | 180583 | 94685 | 19h 15m 59.49s | +27° 55′ 34.7″ | 6.18 | −2.38 | 1680 | F6Ib-II | ||||
HD 176502 | 176502 | 93177 | 18h 58m 46.59s | +40° 40′ 45.1″ | 6.20 | −1.12 | 948 | B3V | ||||
HD 179583 | 179583 | 94280 | 19h 11m 23.16s | +40° 25′ 45.0″ | 6.20 | 0.40 | 471 | A3V | ||||
HD 172187 | 172187 | 91250 | 18h 36m 45.53s | +43° 13′ 18.6″ | 6.21 | 0.71 | 411 | F0V | ||||
HD 174881 | 174881 | 92550 | 18h 51m 35.89s | +28° 47′ 01.2″ | 6.22 | −2.23 | 1598 | K1II-III | ||||
HD 172671 | 172671 | 91491 | 18h 39m 33.03s | +40° 56′ 06.2″ | 6.25 | −0.72 | 807 | B9V | ||||
HD 181470 | 181470 | 94932 | 19h 19m 01.15s | +37° 26′ 43.1″ | 6.25 | −0.29 | 663 | A0III | ||||
HD 175132 | 175132 | 92599 | 18h 52m 07.25s | +41° 22′ 59.7″ | 6.28 | −1.59 | 1221 | B9p Si | ||||
HD 181655 | 181655 | 94981 | 19h 19m 39.04s | +37° 19′ 51.5″ | 6.29 | 4.28 | 82 | G8V | ||||
HD 168009 | 168009 | 89474 | 18h 15m 32.53s | +45° 12′ 34.5″ | 6.30 | 4.52 | 74 | G2V | ||||
HD 181828 | 181828 | 95067 | 19h 20m 33.05s | +35° 11′ 09.4″ | 6.30 | −0.44 | 726 | B9V | ||||
HD 183362 | 183362 | 95673 | 19h 27m 36.40s | +37° 56′ 28.3″ | 6.30 | −2.71 | 2063 | B3Ve | ||||
HD 178003 | 178003 | 93770 | 19h 05m 47.13s | +29° 55′ 18.1″ | 6.32 | −1.70 | 1309 | M0III | ||||
HD 179422 | 179422 | 94290 | 19h 11m 30.96s | +26° 44′ 09.4″ | 6.35 | 3.18 | 141 | F5V | ||||
HD 182488 | 182488 | 95319 | 19h 23m 33.96s | +33° 13′ 17.7″ | 6.37 | 5.42 | 51 | G8V | ||||
HD 177109 | 177109 | 93437 | 19h 01m 48.37s | +33° 37′ 16.5″ | 6.39 | −1.27 | 1109 | B5IV | ||||
HD 169646 | 169646 | 90163 | 18h 23m 57.27s | +38° 44′ 21.0″ | 6.41 | −0.69 | 858 | K2 | ||||
HD 172958 | 172958 | 91675 | 18h 41m 41.31s | +31° 37′ 03.3″ | 6.41 | −1.24 | 1105 | B8V | ||||
HD 172631 | 172631 | 91533 | 18h 40m 01.93s | +30° 50′ 57.8″ | 6.43 | 0.18 | 580 | K0 | ||||
HD 176582 | 176582 | 93210 | 18h 59m 12.29s | +39° 13′ 02.4″ | 6.43 | −0.58 | 821 | B5IV | ||||
HD 182635 | 182635 | 95370 | 19h 24m 06.05s | +36° 27′ 06.9″ | 6.44 | 1.22 | 360 | K1III | ||||
HD 172741 | 172741 | 91552 | 18h 40m 12.19s | +38° 22′ 01.8″ | 6.45 | 0.52 | 501 | A6m | ||||
HD 173383 | 173383 | 91820 | 18h 43m 16.57s | +39° 18′ 00.3″ | 6.45 | −1.65 | 1358 | K5 | ||||
HD 173087 | 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 | stella doppia; la componente B ha un pianeta | |||
HD 177830 | 177830 | 19h 05m 20.77s | +25° 55′ 14.4″ | 7.18 | 3.32 | 192 | K0 | ha un pianeta | ||||
β Lyr C | β | 10 | 174664 | 18h 50m 06.60s | +33° 21′ 05.0″ | 7.20 | componente del sistema β Lyr; | |||||
RR Lyr | 182989 | 95497 | 19h 25m 27.91s | +42° 47′ 03.7″ | 7.13 | 0.34 | 744 | F5 | prototipo della variabile RR Lyrae | |||
GSC 02652-01324 | 19h 04m 09.84s | +36° 37′ 57.5″ | 11.4 | K0V | ha un pianeta transiente: TrES-1 | |||||||
β Lyr D | β | 10 | 174639 | 18h 50m 01.20s | +33° 21′ 26.0″ | 13.40 | componente del sistema β Lyr | |||||
Legenda della tabella
· Nome = nome proprio della stella.
· ass. = magnitudine assoluta della stella (Mv).
|
Collegamenti esterni
[modifica | modifica wikitesto]- ESA, The Hipparcos and Tycho Catalogues, su cdsarc.u-strasbg.fr, 1997. URL consultato il 26 dicembre 2006.
- N. D. Kostjuk, HD-DM-GC-HR-HIP-Bayer-Flamsteed Cross Index, su cdsarc.u-strasbg.fr, 2002. URL consultato il 26 dicembre 2006.
- N. G. Roman, Identification of a Constellation from a Position, su cdsarc.u-strasbg.fr, 1987. URL consultato il 26 dicembre 2006.
- SIMBAD Astronomical Database, su simbad.u-strasbg.fr, Centre de Données astronomiques de Strasbourg. URL consultato il 4 gennaio 2007.