This is the list of notable stars in the constellation Octans, sorted by decreasing brightness.

Name B Var HD HIP RA Dec vis.
mag.
abs.
mag.
Dist. (ly) Sp. class Notes
ν Octν20547810708921h 41m 28.47s−77° 23 22.13.762.1069K0IIIsuspected variable, one planet around component A (Ab)
β Octβ21484611240522h 46m 03.72s−81° 22 53.84.130.96140A9IV/V
δ Octδ1248827063814h 26m 55.74s−83° 40 04.34.31−0.35279K2IIIsuspected variable
θ Octθ22488912200h 01m 35.85s−77° 03 55.14.780.63221K2III
ε OctεBO21096711025622h 20m 01.48s−80° 26 22.75.090.51268M6IIIsemiregular variable, Vmax = 4.58m, Vmin = 5.3m, P = 55 d
γ1 Octγ122364711768923h 52m 06.69s−82° 01 07.65.100.53267G7III
α Octα19953210404321h 04m 43.03s−77° 01 22.35.131.85148F4IIIβ Lyr variable
λ Octλ20624010784321h 50m 54.25s−82° 43 07.85.27−0.36435G8/K0III+..
γ3 Octγ363681400h 10m 02.27s−82° 13 26.45.290.93242K1/K2III
χ Octχ1644619282418h 54m 47.65s−87° 36 19.95.290.87250K3III
ξ Octξ21557311278122h 50m 22.75s−80° 07 25.75.32−0.35444B6IV53 Per variable, Vmax = 5.32m, Vmin = 5.36m, P = 1.76866 d
ζ Octζ798374390808h 56m 41.88s−85° 39 47.65.432.01157F0III
ι Octι1114826303112h 54m 58.35s−85° 07 24.35.450.17371K0III
σ Octσ17748210438221h 08m 46.01s−88° 57 23.45.450.86270F0IIIPolaris Australis, south pole star; δ Sct variable, ΔV = 0.05m, P = 0.097 d
φ Octφ1674689013318h 23m 36.44s−75° 02 39.65.471.57197A0V
ψ Octψ21085311007822h 17m 50.70s−77° 30 41.75.492.56125F3III
τ Octτ21976511583623h 28m 03.57s−87° 28 56.15.50−0.52522K2III
κ Octκ1173746675313h 40m 56.18s−85° 47 09.65.561.08256A2m...
ρ Octρ1373337699615h 43m 16.10s−84° 27 55.85.571.45217A2Vvariable star, ΔV = 0.005m, P = 069147 d
π1 Octπ11306507354015h 01m 50.70s−83° 13 40.05.650.27389G8/K0III
π2 Octπ21312467377115h 04m 46.96s−83° 02 17.85.65−2.981734G8Ib
HD 1102511025756801h 37m 27.78s−84° 46 10.75.660.42365K0III
γ2 Octγ222436211811423h 57m 32.99s−82° 10 11.15.720.80314K0III
HD 22280622280611712523h 44m 40.68s−78° 47 29.25.74−0.47569K1III
HD 19372119372110142720h 33m 17.61s−80° 57 53.45.76−0.28527G6/G8II
υ Octυ21153911119622h 31m 37.83s−85° 58 02.65.760.73330K0III
HD 10321032107400h 13m 19.55s−84° 59 38.55.78−1.21815M0/M1IIIsuspected variable
HD 22142022142011625023h 33m 19.55s−77° 23 07.25.823.31104G2IV-Vhas a brown dwarf companion (b)
HD 1080010800760101h 37m 54.98s−82° 58 31.05.883.7188G2V
ω Octω1315967429615h 11m 08.79s−84° 47 16.25.880.93318B9.5V
HD 19461219461210184320h 38m 18.60s−81° 17 20.35.89−0.56635K5IIIvariable star, ΔV = 0.007m, P = 2.18160 d
HD 20874120874110884922h 03m 03.74s−76° 07 05.85.941.99201F3III
HD 1677141677149060618h 29m 20.02s−80° 13 57.25.950.81348K2III
μ1 Octμ119605110216220h 42m 02.52s−76° 10 50.05.990.92337F4III-IV
HD 22206022206011665323h 38m 23.69s−76° 52 10.25.99−0.42625K0II/III
HD 1045551045555869712h 02m 20.68s−85° 37 54.36.050.99335K3III
CW OctCW1485428325517h 00m 58.44s−86° 21 51.56.05−0.27598A2Vα² CVn variable
HD 21810821810811425823h 08m 23.54s−79° 28 50.26.111.75243A7Vn
HD 21216821216811071222h 25m 51.03s−75° 00 56.66.124.3175G3IV
HD 21005621005610958422h 11m 55.13s−76° 06 57.36.131.30302K0III
HD 19122019122010069720h 24m 54.80s−83° 18 38.36.151.71252A2/A3m...
HD 21340221340211150422h 35m 26.36s−78° 46 17.66.15−1.471090K1III
HD 20490420490410688121h 38m 56.15s−79° 26 33.16.172.28196F4IV
η Octη961245370210h 59m 14.16s−84° 35 37.96.191.00356A1V
HD 1699041699049172318h 42m 14.36s−81° 48 29.16.270.12553B8Vsuspected variable
HD 1077391077396063812h 25m 38.28s−86° 09 02.16.32−0.53765K0III
HD 21957221957211512923h 19m 08.55s−79° 28 20.86.340.46489K0III
HD 1722261722269311718h 58m 10.03s−83° 25 19.86.350.18558B9/B9.5V
HD 20353220353210647421h 33m 54.47s−82° 40 59.16.35−0.63813B3IV
HD 1719901719909223318h 47m 49.20s−77° 52 07.06.393.22141G2Vsuspected variable
HD 1861541861549808619h 56m 01.62s−81° 20 59.46.39−0.25694K3/K4III
HD 20850020850010875922h 01m 52.65s−77° 39 45.16.391.49311A5IV/V
R OctR408572541205h 26m 06.12s−86° 23 17.86.401960M5.5eMira variable, Vmax = 6.4m, Vmin = 13.2m, P = 407 d
HD 25887258871732803h 42m 32.69s−85° 15 43.36.400.56481B9V
HD 21855921855911455023h 12m 12.43s−80° 54 45.66.430.17582K4III
HD 20241820241810632021h 32m 02.86s−84° 48 36.06.44−0.13667K3IIIsuspected variable, ΔV = 0.06m
HD 1595171595178827418h 01m 34.21s−85° 12 52.16.452.32219F4V
BP OctBP1297237573615h 28m 20.68s−88° 07 58.16.462.45210Amδ Sct variable, ΔV = 0.04m
HD 58805588053250006h 46m 58.52s−87° 01 29.96.463.50128F3V
HD 20395520395510642421h 33m 21.07s−80° 02 21.56.471.25360A0V
HD 1653381653389050918h 28m 06.35s−84° 23 14.06.490.18596B8/B9V
μ2 Octμ219606710212520h 41m 43.74s−75° 21 01.56.513.31142G1Vhas a planet (b)
B OctBCG20655311235522h 45m 30.22s−88° 49 05.96.571.50335F0IV-Vδ Sct variable
BQ OctBQ1109947134814h 35m 29.51s−89° 46 18.26.881600S5,1slow irregular variable, ΔV = 0.1m
ο Octο1348100700h 12m 33.96s−88° 21 46.37.21−1.491790B9.5IV
HD 1420221420227924216h 10m 15.03s−84° 13 53.87.705.01112K0Vbinary star, component A has a planet (b)
HD 21230121230111085222h 27m 30.92s−77° 43 04.57.774.07179F8Vhas a planet (b)
CF OctCF19681810280320h 49m 37.26s−80° 08 01.07.93683K0IIIpslow irregular variable
HD 188136CC188136
188137
9875720h 03m 31.75s−78° 49 50.78.01620ApSrYZrBaδ Sct variable, ΔV = 0.1m, P = 0.1249 d
X OctX916205108410h 26m 14.25s−84° 20 53.98.70997M5/M6eMira variable, Vmax = 6.8m, Vmin = 10.9m, P = 200 d
HD 89499DR894994961610h 07m 29.54s−85° 04 33.08.70373G3VRS CVn variable, Vmax = 8.7m, Vmin = 8.73m, P = 5.532 d
UV OctUV1560088099016h 32m 59.53s−83° 14 10.59.441340A9:Ia/IabwRR Lyr variable, Vmax = 8.7m, Vmin = 9.97m, P = 0.54258 d
HD 190290CK19029020h 13m 56.35s−78° 52 42.39.9ApEuSrrapidly oscillating Ap star, ΔV = 0.1m
RV OctRV6722713h 46m 31.75s−84° 24 06.410.942470RR Lyr variable, Vmax = 10.356m, Vmin = 11.538m, P = 0.5711700 d
EUVE J0317-85.5CL03h 17m 15.81s−85° 32 25.514.72DAZZ Cet variable, Vmax = 14.72m, Vmin = 14.9m
AO OctAO21h 05m 08.23s−75° 21 01.821.0SU UMa variable, Vmax = 14.2m, Vmin = 21.0m, P = 0.06557 d
Table legend:

See also

References

  • ESA (1997). "The Hipparcos and Tycho Catalogues". Retrieved 2006-12-26.
  • Kostjuk, N. D. (2002). "HD-DM-GC-HR-HIP-Bayer-Flamsteed Cross Index". Retrieved 2006-12-26.
  • Roman, N. G. (1987). "Identification of a Constellation from a Position". Retrieved 2006-12-26.
  • Gould, B. A. "Uranometria Argentina". Reprinted and updated by Pilcher, F. Archived from the original on 2012-02-27. Retrieved 2010-07-16.
  • "AAVSO Website". American Association of Variable Star Observers. Retrieved 9 March 2014.
  • "Naming Stars". Retrieved 4 July 2018.
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