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:
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See also
editNotes
edit- ^ 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) - ^ "IAU Catalog of Star Names". International Astronomical Union. Retrieved 2018-09-17.
- ^ 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
edit- 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.
- "SIMBAD Astronomical Database". Centre de Données astronomiques de Strasbourg. Retrieved 2007-01-02.
- Samus, N. N.; Durlevich, O. V.; et al. (2004). "Combined General Catalogue of Variable Stars (GCVS4.2)". Retrieved 2007-01-03.
- Gould, B. A. "Uranometria Argentina". Reprinted and updated by Pilcher, F. Archived from the original on 2012-02-27. Retrieved 2010-07-19.
- "AAVSO Website". American Association of Variable Star Observers. Retrieved 9 March 2014.
- "Naming Stars". Retrieved 13 December 2017.