Stelle principali della costellazione dell'Ottante
Segue un prospetto delle stelle principali della costellazione dell'Ottante, elencate per magnitudine decrescente.
Nome | Designazioni | Coordinate | Magnitudini | Dist. (al) | Classe spettrale | Note | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
B | F | HD | HIP | AR | Dec | vis. | ass. | |||||
ν Oct | ν | 205478 | 107089 | 21h 41m 28.47s | −77° 23′ 22.1″ | 3.73 | 2.10 | 69 | K0III | Stella binaria, possibile pianeta extrasolare | ||
β Oct | β | 214846 | 112405 | 22h 46m 03.72s | −81° 22′ 53.8″ | 4.13 | 0.96 | 140 | A9IV/V | |||
δ Oct | δ | 124882 | 70638 | 14h 26m 55.74s | −83° 40′ 04.3″ | 4.31 | −0.35 | 279 | K2III | |||
θ Oct | θ | 224889 | 122 | 00h 01m 35.85s | −77° 03′ 55.1″ | 4.78 | 0.63 | 221 | K2III | |||
ε Oct | ε | 210967 | 110256 | 22h 20m 01.48s | −80° 26′ 22.7″ | 5.09 | 0.51 | 268 | M6III | |||
γ1 Oct | γ1 | 223647 | 117689 | 23h 52m 06.69s | −82° 01′ 07.6″ | 5.10 | 0.53 | 267 | G7III | |||
α Oct | α | 199532 | 104043 | 21h 04m 43.03s | −77° 01′ 22.3″ | 5.13 | 1.85 | 148 | F4III | |||
λ Oct | λ | 206240 | 107843 | 21h 50m 54.25s | −82° 43′ 07.8″ | 5.27 | −0.36 | 435 | G8/K0III+.. | |||
γ3 Oct | γ3 | 636 | 814 | 00h 10m 02.27s | −82° 13′ 26.4″ | 5.29 | 0.93 | 242 | K1/K2III | |||
χ Oct | χ | 164461 | 92824 | 18h 54m 47.65s | −87° 36′ 19.9″ | 5.29 | 0.87 | 250 | K3III | |||
ξ Oct | ξ | 215573 | 112781 | 22h 50m 22.75s | −80° 07′ 25.7″ | 5.32 | −0.35 | 444 | B6IV | |||
ζ Oct | ζ | 79837 | 43908 | 08h 56m 41.88s | −85° 39′ 47.6″ | 5.43 | 2.01 | 157 | F0III | |||
ι Oct | ι | 111482 | 63031 | 12h 54m 58.35s | −85° 07′ 24.3″ | 5.45 | 0.17 | 371 | K0III | |||
σ Oct | σ | 177482 | 104382 | 21h 08m 46.01s | −88° 57′ 23.4″ | 5.45 | 0.86 | 270 | F0III | Polaris Australis (stella polare del Sud) | ||
φ Oct | φ | 167468 | 90133 | 18h 23m 36.44s | −75° 02′ 39.6″ | 5.47 | 1.57 | 197 | A0V | |||
ψ Oct | ψ | 210853 | 110078 | 22h 17m 50.70s | −77° 30′ 41.7″ | 5.49 | 2.56 | 125 | F3III | |||
τ Oct | τ | 219765 | 115836 | 23h 28m 03.57s | −87° 28′ 56.1″ | 5.50 | −0.52 | 522 | K2III | |||
κ Oct | κ | 117374 | 66753 | 13h 40m 56.18s | −85° 47′ 09.6″ | 5.56 | 1.08 | 256 | A2m... | |||
ρ Oct | ρ | 137333 | 76996 | 15h 43m 16.10s | −84° 27′ 55.8″ | 5.57 | 1.45 | 217 | A2V | |||
π1 Oct | π1 | 130650 | 73540 | 15h 01m 50.70s | −83° 13′ 40.0″ | 5.65 | 0.27 | 389 | G8/K0III | |||
π2 Oct | π2 | 131246 | 73771 | 15h 04m 46.96s | −83° 02′ 17.8″ | 5.65 | −2.98 | 1734 | G8Ib | |||
HD 11025 | 11025 | 7568 | 01h 37m 27.78s | −84° 46′ 10.7″ | 5.66 | 0.42 | 365 | K0III | ||||
γ2 Oct | γ2 | 224362 | 118114 | 23h 57m 32.99s | −82° 10′ 11.1″ | 5.72 | 0.80 | 314 | K0III | |||
HD 222806 | 222806 | 117125 | 23h 44m 40.68s | −78° 47′ 29.2″ | 5.74 | −0.47 | 569 | K1III | ||||
HD 193721 | 193721 | 101427 | 20h 33m 17.61s | −80° 57′ 53.4″ | 5.76 | −0.28 | 527 | G6/G8II | ||||
υ Oct | υ | 211539 | 111196 | 22h 31m 37.83s | −85° 58′ 02.6″ | 5.76 | 0.73 | 330 | K0III | |||
HD 1032 | 1032 | 1074 | 00h 13m 19.55s | −84° 59′ 38.5″ | 5.78 | −1.21 | 815 | M0/M1III | ||||
HD 221420 | 221420 | 116250 | 23h 33m 19.55s | −77° 23′ 07.2″ | 5.82 | 3.31 | 104 | G2V | ||||
HD 10800 | 10800 | 7601 | 01h 37m 54.98s | −82° 58′ 31.0″ | 5.88 | 3.71 | 88 | G2V | ||||
ω Oct | ω | 131596 | 74296 | 15h 11m 08.79s | −84° 47′ 16.2″ | 5.88 | 0.93 | 318 | B9.5V | |||
HD 194612 | 194612 | 101843 | 20h 38m 18.60s | −81° 17′ 20.3″ | 5.89 | −0.56 | 635 | K5III | ||||
HD 208741 | 208741 | 108849 | 22h 03m 03.74s | −76° 07′ 05.8″ | 5.94 | 1.99 | 201 | F3III | ||||
HD 167714 | 167714 | 90606 | 18h 29m 20.02s | −80° 13′ 57.2″ | 5.95 | 0.81 | 348 | K2III | ||||
μ1 Oct | μ1 | 196051 | 102162 | 20h 42m 02.52s | −76° 10′ 50.0″ | 5.99 | 0.92 | 337 | F4III-IV | |||
HD 222060 | 222060 | 116653 | 23h 38m 23.69s | −76° 52′ 10.2″ | 5.99 | −0.42 | 625 | K0II/III | ||||
HD 104555 | 104555 | 58697 | 12h 02m 20.68s | −85° 37′ 54.3″ | 6.05 | 0.99 | 335 | K3III | ||||
HD 148542 | 148542 | 83255 | 17h 00m 58.44s | −86° 21′ 51.5″ | 6.05 | −0.27 | 598 | A2V | ||||
HD 218108 | 218108 | 114258 | 23h 08m 23.54s | −79° 28′ 50.2″ | 6.11 | 1.75 | 243 | A7Vn | ||||
HD 212168 | 212168 | 110712 | 22h 25m 51.03s | −75° 00′ 56.6″ | 6.12 | 4.31 | 75 | G3IV | ||||
HD 210056 | 210056 | 109584 | 22h 11m 55.13s | −76° 06′ 57.3″ | 6.13 | 1.30 | 302 | K0III | ||||
HD 191220 | 191220 | 100697 | 20h 24m 54.80s | −83° 18′ 38.3″ | 6.15 | 1.71 | 252 | A2/A3m... | ||||
HD 213402 | 213402 | 111504 | 22h 35m 26.36s | −78° 46′ 17.6″ | 6.15 | −1.47 | 1090 | K1III | ||||
HD 204904 | 204904 | 106881 | 21h 38m 56.15s | −79° 26′ 33.1″ | 6.17 | 2.28 | 196 | F4IV | ||||
η Oct | η | 96124 | 53702 | 10h 59m 14.16s | −84° 35′ 37.9″ | 6.19 | 1.00 | 356 | A1V | |||
HD 169904 | 169904 | 91723 | 18h 42m 14.36s | −81° 48′ 29.1″ | 6.27 | 0.12 | 553 | B8V | ||||
HD 107739 | 107739 | 60638 | 12h 25m 38.28s | −86° 09′ 02.1″ | 6.32 | −0.53 | 765 | K0III | ||||
HD 219572 | 219572 | 115129 | 23h 19m 08.55s | −79° 28′ 20.8″ | 6.34 | 0.46 | 489 | K0III | ||||
HD 172226 | 172226 | 93117 | 18h 58m 10.03s | −83° 25′ 19.8″ | 6.35 | 0.18 | 558 | B9/B9.5V | ||||
HD 203532 | 203532 | 106474 | 21h 33m 54.47s | −82° 40′ 59.1″ | 6.35 | −0.63 | 813 | B3IV | ||||
HD 171990 | 171990 | 92233 | 18h 47m 49.20s | −77° 52′ 07.0″ | 6.39 | 3.22 | 141 | G2V | ||||
HD 186154 | 186154 | 98086 | 19h 56m 01.62s | −81° 20′ 59.4″ | 6.39 | −0.25 | 694 | K3/K4III | ||||
HD 208500 | 208500 | 108759 | 22h 01m 52.65s | −77° 39′ 45.1″ | 6.39 | 1.49 | 311 | A5IV/V | ||||
HD 25887 | 25887 | 17328 | 03h 42m 32.69s | −85° 15′ 43.3″ | 6.40 | 0.56 | 481 | B9V | ||||
HD 202418 | 202418 | 106320 | 21h 32m 02.86s | −84° 48′ 36.0″ | 6.42 | −0.13 | 667 | K3III | ||||
HD 218559 | 218559 | 114550 | 23h 12m 12.43s | −80° 54′ 45.6″ | 6.43 | 0.17 | 582 | K4III | ||||
HD 159517 | 159517 | 88274 | 18h 01m 34.21s | −85° 12′ 52.1″ | 6.45 | 2.32 | 219 | F4V | ||||
HD 58805 | 58805 | 32500 | 06h 46m 58.52s | −87° 01′ 29.9″ | 6.46 | 3.50 | 128 | F3V | ||||
HD 203955 | 203955 | 106424 | 21h 33m 21.07s | −80° 02′ 21.5″ | 6.47 | 1.25 | 360 | A0V | ||||
HD 129723 | 129723 | 75736 | 15h 28m 20.68s | −88° 07′ 58.1″ | 6.49 | 2.45 | 210 | Am | ||||
HD 165338 | 165338 | 90509 | 18h 28m 06.35s | −84° 23′ 14.0″ | 6.49 | 0.18 | 596 | B8/B9V | ||||
μ2 Oct | μ2 | 196067 | 102125 | 20h 41m 43.74s | −75° 21′ 01.5″ | 6.51 | 3.31 | 142 | G1V | |||
Legenda della tabella
· Nome = nome proprio della stella.
· ass. = magnitudine assoluta della stella (Mv).
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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.