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

Name B Var HD HIP RA Dec vis.
mag. 		abs.
mag. 		Dist. (ly) Sp. class Notes
β Cru β 111123 62434 12h 47m 43.32s −59° 41′ 19.4″ 1.25 −3.92 352 B0.5III Mimosa, Becrux; binary star or possibly triple star system, 20th brightest of all stars; β Cep variable, Vmax = +1.23m, Vmin = +1.31m, P = 0.2365072 d Probable high-mass member of Lower Centaurus–Crux subgroup of the Scorpius–Centaurus association.[1]
α1 Cru (α Cru A) α1 108248 60718 12h 26m 35.94s −63° 05′ 56.6″ 1.4 −3.6 321 B0.5IV component of Acrux, 23rd brightest star, multiple star, spectroscopic binary. Possible member Lower Centaurus–Crux subgroup of the Scorpius–Centaurus association (debated).[1]
γ Cru γ 108903 61084 12h 31m 09.93s −57° 06′ 45.2″ 1.60 −0.56 88 M4III Gacrux, SRV, Vmax = +1.60m, Vmin = +1.67m
α2 Cru (α Cru B) α2 108249 12h 26m 36.50s −63° 05′ 58.0″ 2.09 −2.88 321 B1V component of Acrux. Possible member Lower Centaurus–Crux subgroup of the Scorpius–Centaurus association (debated).[1]
δ Cru δ 106490 59747 12h 15m 08.76s −58° 44′ 56.0″ 2.79 −2.45 364 B2IV Imai,[2] β Cep variable; Vmax = +2.78m, Vmin = +2.80m, P = 0.151038 d
Member of the Lower Centaurus–Crux subgroup of the Scorpius–Centaurus association.[3]
ε Cru ε 107446 60260 12h 21m 21.81s −60° 24′ 04.9″ 3.59 −0.63 228 K3/K4III Ginan, suspected variable
μ1 Cru μ1 112092 63003 12h 54m 35.66s −57° 10′ 40.4″ 4.03 −1.29 377 B2IV-V binary star; suspected variable; Member of the Lower Centaurus–Crux subgroup of the Scorpius–Centaurus association.[3]
ζ Cru ζ 106983 60009 12h 18m 26.29s −64° 00′ 11.0″ 4.06 −1.16 361 B2.5V double star, Member of the Lower Centaurus–Crux subgroup of the Scorpius–Centaurus association.[3]
η Cru η 105211 59072 12h 06m 52.85s −64° 36′ 49.1″ 4.14 2.67 64 F2III double star
θ1 Cru θ1 104671 58758 12h 03m 01.70s −63° 18′ 46.6″ 4.32 0.08 230 Am spectroscopic binary
HD 110956 110956 62327 12h 46m 22.75s −56° 29′ 19.6″ 4.62 −0.80 396 B3V double star; suspected slow irregular variable; Member of the Lower Centaurus–Crux subgroup of the Scorpius–Centaurus association.[3]
λ Cru λ 112078 63007 12h 54m 39.22s −59° 08′ 48.0″ 4.62 −0.59 360 B4Vn β Cep variable, ΔV = 0.02m, P = 0.3951 d, Member of the Lower Centaurus–Crux subgroup of the Scorpius–Centaurus association.[3]
ι Cru ι 110829 62268 12h 45m 37.92s −60° 58′ 52.2″ 4.69 1.78 125 K1III optical double
θ2 Cru θ2 104841 58867 12h 04m 19.24s −63° 09′ 56.6″ 4.72 −2.10 753 B2IV spectroscopic binary; β Cep variable, Vmax = +4.70m, Vmin = +4.74m, P = 0.0889 d
α Cru C 108250 12h 26m 30.90s −63° 07′ 21.0″ 4.86 B4IV probable optical double with the α Cru system; suspected variable
CH Cru CH 110335 61966 12h 41m 56.60s −59° 41′ 08.9″ 4.91 −2.60 1035 B6IV γ Cas variable
μ2 Cru μ2 112091 63005 12h 54m 36.92s −57° 10′ 07.1″ 5.08 −0.14 361 B5Vne component of μ Cru system; γ Cas variable, Vmax = +4.99m, Vmin = +5.18m
HD 110432 BZ 110432 62027 12h 42m 50.28s −63° 03′ 31.0″ 5.27 −2.12 982 B2pe high-mass X-ray binary; γ Cas variable, Vmax = +5.24m, Vmin = +5.45m
HD 112244 112244 63117 12h 55m 57.14s −56° 50′ 08.9″ 5.34 −3.47 1884 O9Ib emission-line star; variable star, ΔV = 0.008m, P = 2.00288 d
HD 107696 107696 60379 12h 22m 49.47s −57° 40′ 34.0″ 5.38 0.28 342 B9V suspected variable
BL Cru BL 108396 60781 12h 27m 28.88s −58° 59′ 30.4″ 5.38 −0.82 566 M4/M5III semiregular variable, ΔV = 0.35m
HD 103961 103961 58379 11h 58m 15.25s −56° 19′ 02.3″ 5.44 −1.00 633 B8III suspected variable, Vmax = +5.43m, Vmin = +5.48m
BG Cru BG 108968 61136 12h 31m 40.34s −59° 25′ 26.1″ 5.49 −3.07 1680 F5Ib-G0p Cepheid variable, Vmax = +5.34m, Vmin = +5.58m, P = 3.3428 d
HD 103884 103884 58326 11h 57m 40.04s −62° 26′ 55.4″ 5.59 −0.73 598 B3V suspected variable
HD 104035 104035 58427 11h 58m 47.67s −64° 20′ 22.4″ 5.59 −4.11 2835 A3Ib
DS Cru DS 111613 62732 12h 51m 17.98s −60° 19′ 47.2″ 5.71 −4.10 2991 A2Iab emission-line star; α Cyg variable
HD 111904 111904 62894 12h 53m 21.90s −60° 19′ 42.6″ 5.75 −4.71 4025 B9Ia suspected variable, Vmax = +5.70m, Vmin = +6.80m
HD 108732 108732 60969 12h 29m 54.19s −56° 31′ 29.9″ 5.78 −0.40 562 M1III variable star, ΔV = 0.010m, P = 196.46365 d
HD 106068 106068 59517 12h 12m 21.99s −62° 57′ 02.8″ 5.91 −4.96 4866 B9Ia suspected variable, ΔV = 0.02m
HD 107543 107543 60308 12h 21m 57.44s −56° 22′ 27.8″ 5.91 −2.73 1743 K4III + (F) variable star, ΔV = 0.007m, P = 11.23596 d
HD 104933 104933 58921 12h 04m 57.25s −60° 58′ 05.7″ 5.95 −0.59 661 M2III suspected variable
HD 109000 109000 61158 12h 31m 56.15s −63° 30′ 21.2″ 5.96 1.62 240 A8III
κ Cru κ 111973 62931 12h 53m 48.92s −60° 22′ 34.5″ 5.98 −2.55 1661 B5Ia member of the Jewel Box star cluster (note that κ Cru usually refers to the cluster itself); variable star, ΔV = 0.014m, P = 9.53562 d
HD 110506 110506 62058 12h 43m 09.21s −56° 10′ 34.3″ 5.99 0.47 414 B9Vn Member of the Lower Centaurus–Crux subgroup of the Scorpius–Centaurus association.[3]
HD 108355 108355 60771 12h 27m 24.85s −63° 47′ 20.3″ 6.02 −0.50 657 B8IV
HD 108501 108501 60851 12h 28m 19.31s −64° 20′ 27.5″ 6.05 1.11 317 A0Vn
HD 110461 110461 62026 12h 42m 49.80s −55° 56′ 49.1″ 6.06 0.77 372 B9V Member of the Lower Centaurus–Crux subgroup of the Scorpius–Centaurus association.[3]
HD 105841 105841 59396 12h 11m 05.25s −61° 16′ 38.6″ 6.08 1.34 290 F0III
HD 108570 108570 60870 12h 28m 33.84s −56° 24′ 26.2″ 6.15 3.02 138 K0/K1III
HD 104430 104430 58642 12h 01m 29.26s −57° 30′ 13.5″ 6.16 1.28 309 A1V
DL Cru DL 106343 59678 12h 14m 16.93s −64° 24′ 30.7″ 6.20 −7.66 ~20000 B1.5Ia α Cyg variable
HD 108530 108530 60861 12h 28m 25.71s −61° 47′ 41.4″ 6.21 0.31 494 K2III
HD 105437 105437 59200 12h 08m 24.74s −60° 50′ 49.7″ 6.22 −2.89 2159 K3/K4II
HD 109492 109492 61443 12h 35m 29.79s −61° 50′ 29.0″ 6.22 2.89 151 G4IV
HD 104900 104900 58910 12h 04m 45.29s −59° 15′ 11.7″ 6.30 1.12 354 B9Vn
HD 108395 108395 60780 12h 27m 28.84s −58° 18′ 59.3″ 6.35 −0.79 874 K4III
HD 104111 104111 58469 11h 59m 25.62s −62° 49′ 51.4″ 6.36 −5.85 9022 A8II
HD 110532 110532 62084 12h 43m 28.40s −58° 54′ 09.9″ 6.41 −0.14 667 K0/K1III double star
γ Cru B γ 108925 12h 31m 16.70s −57° 04′ 52.0″ 6.42 A3V component of the γ Cru system
T Cru T 107447 60259 12h 21m 21.13s −62° 16′ 53.9″ 6.58 4000 G2Ib Cepheid variable, Vmax = +6.32m, Vmin = +6.83m, P = 6.73331 d
S Cru S 112044 62986 12h 54m 22.00s −58° 25′ 50.2″ 6.58 2300 F7Ib-II Cepheid variable, Vmax = +6.22m, Vmin = +6.92m, P = 4.68997 d
R Cru R 107805 60455 12h 23m 37.69s −61° 37′ 44.9″ 6.90 0.94 508 F7Ib/II Cepheid variable, Vmax = +6.40m, Vmin = +7.23m, P = 5.82575 d
HD 108147 108147 60644 12h 25m 46.27s −64° 01′ 19.5″ 6.99 4.05 126 F9V Tupã; has a planet (b)
AG Cru AG 110258 12h 41m 25.98s −59° 47′ 38.8″ 7.90 F8Ib-II Cepheid variable, Vmax = +7.73m, Vmin = +8.58m, P = 3.83728 d
HD 106906 106906 59960 12h 17m 53.19s −55° 58′ 31.89″ 7.8 300 F5V has a planet (b)
BH Cru BH 59844 12h 16m 16.79s −56° 17′ 09.6″ 7.96 8200 SC4.5-7/8e Mira variable, Vmax = +6.6m, Vmin = +9.8m, P = 530 d
X Cru X 110945 12h 46m 22.27s −59° 07′ 29.1″ 8.10 G1Ib Cepheid variable, Vmax = +8.1m, Vmin = +8.7m, P = 6.21997 d
W Cru W 105998 59483 12h 11m 59.16s −58° 47′ 00.7″ 8.44 G2Iab β Lyr variable
AB Cru AB 106871 59935 12h 17m 37.12s −58° 09′ 52.4″ 8.48 3900 B2IVe Algol variable
AI Cru AI 59026 12h 06m 07.69s −61° 15′ 24.8″ 9.68 2300 F7Ib-II Algol variable
GX 301-2 BP 12h 26m 37.56s −62° 46′ 13.2″ 10.66 B1.2Ia High-mass X-ray binary, Vmax = +10.4m, Vmin = +10.92m, P = 41.487 d
WR 46 DI 104994 58954 12h 05m 18.72s −62° 03′ 10.1″ 10.8 −2.25 13000 WN3p Wolf–Rayet star, Vmax = +10.49m, Vmin = +11.00m
HDE 311884 CD 311884 12h 43m 51.00s −63° 45′ 14.8″ 10.81 911 WN6o + O5V Wolf–Rayet star, ΔV = 0.11m, P = 6.24 d
NGC 4349-127 12h 24m 35.47s −61° 49′ 11.7″ 10.82 6500 KIII has a planet
BI Cru BI 12h 23m 25.99s −62° 38′ 16.1″ 11.00 B+.... Symbiotic star, Vmax = +11.0m, Vmin = +14.0m
Table legend:

See also

Notes

  1. ^ a b c Preibisch, T., Mamajek, E. (2008). "The Nearest OB Association: Scorpius–Centaurus (Sco OB2)". Handbook of Star-Forming Regions. 2: 0. arXiv:0809.0407. Bibcode:2008hsf2.book..235P.((cite journal)): CS1 maint: multiple names: authors list (link)
  2. ^ "IAU Catalog of Star Names". International Astronomical Union. Retrieved 2018-09-17.
  3. ^ a b c d e f g de Zeeuw, P.T.; Hoogerwerf, R.; de Bruijne, J.H.J.; Brown, A.G.A.; Blaauw, A. (1999). "A Hipparcos Census of Nearby OB Associations". Astronomical Journal. 117 (1): 354–99. arXiv:astro-ph/9809227. Bibcode:1999AJ....117..354D. doi:10.1086/300682. S2CID 16098861.

References

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