This is the list of notable stars in the constellation Ara, sorted by decreasing brightness.
Name | B | Var | HD | HIP | RA | Dec | vis. mag. |
abs. mag. |
Dist. (ly) | Sp. class | Notes | ||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
β Ara | β | 157244 | 85258 | 17h 25m 18.00s | −55° 31′ 47.4″ | 2.84 | −3.49 | 603 | K0/1Ib | ||||||
α Ara | α | 158427 | 85792 | 17h 31m 50.52s | −49° 52′ 33.5″ | 2.84 | −1.51 | 242 | B2Vne | Choo, Tchou; λ Eri and γ Cas variable, Vmax = 2.73m, Vmin = 3.00m, P = 0.98127 d | |||||
ζ Ara | ζ | 152786 | 83081 | 16h 58m 37.23s | −55° 59′ 24.2″ | 3.12 | −3.11 | 574 | K5III | ||||||
γ Ara | γ | 157246 | 85267 | 17h 25m 23.66s | −56° 22′ 39.7″ | 3.31 | −4.40 | 1136 | B1Ib | ||||||
δ Ara | δ | 158094 | 85727 | 17h 31m 05.98s | −60° 41′ 01.0″ | 3.60 | −0.19 | 187 | B8V | ||||||
θ Ara | θ | 165024 | 88714 | 18h 06m 37.88s | −50° 05′ 29.2″ | 3.65 | −3.81 | 1012 | B2Ib | ||||||
η Ara | η | 151249 | 82363 | 16h 49m 47.11s | −59° 02′ 28.7″ | 3.77 | −1.14 | 313 | K5III | binary star | |||||
ε1 Ara | ε1 | 152980 | 83153 | 16h 59m 35.05s | −53° 09′ 37.8″ | 4.06 | −0.79 | 304 | K4III | ||||||
σ Ara | σ | 159217 | 86092 | 17h 35m 39.61s | −46° 30′ 20.1″ | 4.56 | −0.80 | 385 | A0V | ||||||
λ Ara | λ | 160032 | 86486 | 17h 40m 23.73s | −49° 24′ 54.6″ | 4.76 | 3.06 | 71 | F3IV | suspected δ Sct variable | |||||
μ Ara | μ | 160691 | 86796 | 17h 44m 08.72s | −51° 50′ 00.9″ | 5.12 | 4.20 | 50 | G3IV-V | Cervantes,[1] has four planets (b, c, d, & e) | |||||
κ Ara | κ | 157457 | 85312 | 17h 26m 00.03s | −50° 38′ 00.7″ | 5.19 | −0.24 | 398 | K1III | a triple star system. | |||||
ι Ara | ι | 157042 | 85079 | 17h 23m 16.08s | −47° 28′ 05.4″ | 5.21 | −1.51 | 721 | B2IIIne | Be star, Vmax = 5.18m, Vmin = 5.26m, P = 0.5565 d | |||||
π Ara | π | 159492 | 86305 | 17h 38m 05.57s | −54° 30′ 00.3″ | 5.25 | 2.12 | 137 | A7V | ||||||
ε2 Ara | ε2 | 153580 | 83431 | 17h 03m 08.71s | −53° 14′ 11.9″ | 5.27 | 3.17 | 86 | F6V | ||||||
HD 157661 | 157661 | 85389 | 17h 26m 51.98s | −45° 50′ 34.7″ | 5.28 | −1.04 | 599 | B8V | multiple star system | ||||||
41 G. Ara | 156274 | 84720 | 17h 19m 02.95s | −46° 38′ 11.4″ | 5.47 | 5.75 | 29 | G8V | binary star; suspected variable | ||||||
ρ2 | ρ2[2] | 152824 | 83057 | 16h 58m 17.95s | −50° 38′ 27.9″ | 5.53 | −0.50 | 523 | B9IV | ||||||
HD 150898 | 150898 | 82171 | 16h 47m 19.66s | −58° 20′ 29.0″ | 5.55 | −3.48 | 2090 | B0Iab | suspected variable | ||||||
HD 150168 | 150168 | 81733 | 16h 41m 40.23s | −49° 39′ 05.6″ | 5.62 | −4.38 | 3260 | B1II | |||||||
HD 153053 | 153053 | 83187 | 17h 00m 06.29s | −54° 35′ 49.2″ | 5.64 | 2.12 | 165 | A3V | |||||||
HD 150136 | 150136 | 81702 | 16h 41m 20.42s | −48° 45′ 46.7″ | 5.65 | O3.5If*+O6V | triple star; suspected rotating ellipsoidal variable, ΔV = 0.03m | ||||||||
V539 Ara | ν1 | V539 | 161783 | 87314 | 17h 50m 28.39s | −53° 36′ 44.6″ | 5.68 | −1.33 | 823 | B2V + B3V | Algol variable and slowly pulsating B star, Vmax = 5.71m, Vmin = 6.24m, P = 3.169094 d | ||||
HD 156838 | 156838 | 85147 | 17h 24m 01.08s | −62° 51′ 50.9″ | 5.69 | −2.82 | 1638 | B2IV | |||||||
HD 157753 | 157753 | 85470 | 17h 27m 57.62s | −52° 17′ 49.3″ | 5.72 | 0.81 | 312 | K2III | |||||||
HD 153716 | 153716 | 83535 | 17h 04m 24.73s | −57° 42′ 43.6″ | 5.73 | −1.00 | 723 | B5IV | |||||||
HD 150745 | 150745 | 82110 | 16h 46m 21.23s | −58° 30′ 12.8″ | 5.74 | −1.31 | 838 | B2IV-V | |||||||
HD 156854 | 156854 | 85068 | 17h 23m 07.11s | −56° 31′ 32.0″ | 5.76 | 0.27 | 409 | G8/K0III | |||||||
HD 156942 | 156942 | 85169 | 17h 24m 18.80s | −60° 40′ 25.6″ | 5.76 | −0.92 | 706 | B8Ib/II | |||||||
HD 160263 | 160263 | 86552 | 17h 41m 16.23s | −46° 55′ 18.5″ | 5.78 | −0.75 | 660 | A0V | |||||||
HD 156768 | 156768 | 85049 | 17h 22m 55.23s | −58° 00′ 37.0″ | 5.86 | −1.05 | 786 | G8Ib/II | |||||||
HD 154903 | 154903 | 84248 | 17h 13m 18.11s | −67° 11′ 46.9″ | 5.87 | 0.87 | 327 | K0III-IV | |||||||
HD 159463 | 159463 | 86248 | 17h 37m 27.31s | −50° 03′ 34.1″ | 5.89 | 0.76 | 346 | K0III-IV | |||||||
HD 157662 | 157662 | 85409 | 17h 27m 12.46s | −50° 37′ 49.3″ | 5.90 | −2.65 | 1672 | B9II | |||||||
HD 151967 | 151967 | 82672 | 16h 54m 00.40s | −57° 54′ 33.2″ | 5.91 | −0.71 | 688 | M0III | semiregular variable | ||||||
HD 156091 | 156091 | 84731 | 17h 19m 12.51s | −59° 41′ 40.5″ | 5.93 | −3.06 | 2050 | K2IIICN... | |||||||
HD 157819 | 157819 | 85520 | 17h 28m 38.91s | −55° 10′ 10.8″ | 5.93 | −1.27 | 898 | G8II/III | Binary | ||||||
HD 152527 | 152527 | 82902 | 16h 56m 28.80s | −52° 17′ 01.1″ | 5.94 | 1.01 | 315 | A0III | |||||||
V854 Ara | V854 | 155035 | 84105 | 17h 11m 38.67s | −48° 52′ 24.2″ | 5.94 | −1.09 | 830 | M1/M2III | slow irregular variable | |||||
V862 Ara | V862 | 158220 | 85751 | 17h 31m 23.28s | −56° 55′ 15.47″ | 5.95 | -3.14 | 2146 | B7II-III | Be star | |||||
HD 150576 | 150576 | 81966 | 16h 44m 39.75s | −53° 09′ 08.2″ | 5.96 | −0.66 | 688 | G8III | |||||||
HD 153221 | 153221 | 83216 | 17h 00m 26.98s | −48° 38′ 51.2″ | 5.98 | 0.60 | 389 | G5IV | |||||||
HD 152082 | 152082 | 82806 | 16h 55m 24.68s | −63° 16′ 10.7″ | 5.99 | 0.30 | 448 | A0III | |||||||
HD 158476 | 158476 | 85788 | 17h 31m 49.10s | −46° 02′ 12.4″ | 6.04 | −2.91 | 2012 | F8/G0Ib | suspected variable | ||||||
HD 153791 | 153791 | 83481 | 17h 03m 41.68s | −47° 09′ 38.1″ | 6.07 | −0.33 | 620 | A2/A3V | |||||||
HR 6384 | V829 | 155341 | 84311 | 17h 14m 13.40s | −56° 53′ 18.6″ | 6.08 | −1.90 | 1283 | M1/2II/III+A | semiregular variable, Vmax = 6.02m, Vmin = 6.25m, P = 50.58 d | |||||
HD 159018 | 159018 | 86064 | 17h 35m 19.91s | −53° 21′ 10.4″ | 6.09 | −1.50 | 1072 | B9III | |||||||
HD 161420 | 161420 | 87174 | 17h 48m 38.08s | −55° 24′ 06.6″ | 6.09 | 2.55 | 166 | A9IV | |||||||
ν2 Ara | ν2[3] | 161917 | 87379 | 17h 51m 11.03s | −53° 07′ 49.0″ | 6.09 | 0.13 | 508 | B9.5III/IV | ||||||
HD 162123 | 162123 | 87404 | 17h 51m 44.55s | −45° 36′ 02.5″ | 6.09 | −0.51 | 682 | G6III | |||||||
HD 165493 | 165493 | 88859 | 18h 08m 30.11s | −45° 46′ 01.1″ | 6.13 | −0.86 | 815 | B7/B8II | |||||||
HD 149485 | 149485 | 81507 | 16h 38m 52.71s | −60° 59′ 25.1″ | 6.16 | 0.08 | 537 | B8Vn | |||||||
HD 149837 | 149837 | 81657 | 16h 40m 50.41s | −60° 26′ 46.6″ | 6.17 | 3.73 | 100 | F2III-IV | |||||||
HD 157599 | 157599 | 85393 | 17h 26m 56.35s | −51° 56′ 55.6″ | 6.17 | 0.26 | 495 | B8/B9V | |||||||
HD 150421 | 150421 | 81847 | 16h 43m 03.57s | −46° 04′ 13.0″ | 6.22 | F5Iab | |||||||||
HD 157524 | 157524 | 85480 | 17h 28m 07.88s | −63° 02′ 10.3″ | 6.22 | −0.68 | 782 | B7/B8V | |||||||
V828 Ara | V828 | 153261 | 83323 | 17h 01m 47.39s | −58° 57′ 29.6″ | 6.26 | −2.96 | 2280 | B2IVne | Be star, Vmax = 6.11m, Vmin = 6.24m | |||||
HD 158895 | 158895 | 86088 | 17h 35m 35.00s | −59° 50′ 45.9″ | 6.26 | −1.90 | 1399 | B5II/III | |||||||
HD 163071 | 163071 | 87928 | 17h 57m 42.74s | −56° 53′ 46.4″ | 6.26 | −1.74 | 1299 | B4III | |||||||
HD 156331 | 156331 | 84759 | 17h 19m 30.51s | −50° 03′ 49.3″ | 6.27 | 2.54 | 182 | F2III | |||||||
V626 Ara | V626 | 160342 | 86628 | 17h 42m 03.62s | −50° 30′ 38.4″ | 6.28 | −2.01 | 1482 | M3III | slow irregular variable, Vmax = 6.23m, Vmin = 6.46m | |||||
V872 Ara | V872 | 149989 | 81650 | 16h 40m 44.39s | −51° 28′ 42.9″ | 6.30 | 2.86 | 159 | A9V | γ Dor variable | |||||
ρ1 Ara | ρ1[4] | V846 | 152478 | 82868 | 16h 56m 08.85s | −50° 40′ 29.2″ | 6.30 | −0.51 | 751 | B3Vnpe | Be star | ||||
HD 158907 | 158907 | 85975 | 17h 34m 16.89s | −48° 31′ 36.8″ | 6.32 | 0.52 | 470 | G6/G8III | |||||||
HD 154555 | 154555 | 83984 | 17h 10m 06.28s | −61° 40′ 31.6″ | 6.37 | −1.87 | 1449 | B8II/III | |||||||
HD 153201 | 153201 | 83269 | 17h 01m 07.03s | −56° 33′ 18.1″ | 6.40 | −1.40 | 1181 | Ap... | |||||||
HD 153370 | 153370 | 83321 | 17h 01m 46.36s | −51° 07′ 51.3″ | 6.43 | 1.45 | 323 | A7V | |||||||
HD 151566 | 151566 | 82418 | 16h 50m 36.09s | −50° 02′ 41.8″ | 6.45 | 2.07 | 245 | A5+... | |||||||
HD 164896 | 164896 | 88675 | 18h 06m 09.21s | −51° 44′ 38.0″ | 6.46 | −1.89 | 1523 | A2III | |||||||
HD 150897 | 150897 | 82091 | 16h 46m 06.38s | −46° 31′ 54.9″ | 6.47 | 0.78 | 448 | A1V | |||||||
HD 152220 | 152220 | 82723 | 16h 54m 31.55s | −49° 42′ 38.8″ | 6.49 | −1.68 | 1405 | K1II | |||||||
HD 155951 | 155951 | 84700 | 17h 18m 51.78s | −62° 52′ 28.3″ | 6.50 | 0.39 | 542 | K1III | |||||||
HD 157832 | V750 | 157832 | 85467 | 17h 27m 54.81s | −47° 01′ 34.4″ | 6.65 | -5.07 | 7200 | B2Vne | γ Cas variable, Vmax = 6.62m, Vmin = 6.68m, P = 1.10406 d | |||||
HD 156411 | 156411 | 84787 | 17h 19m 51.40s | −48° 32′ 57.5″ | 6.67 | 2.96 | 180 | G1Vw... | Inquill,[5] has a planet (b) | ||||||
R Ara | R | 149730 | 81589 | 16h 39m 44.74s | −56° 59′ 39.8″ | 6.73 | 2.20 | 262 | B9IV/V | Algol variable, Vmax = 6.17m, Vmin = 7.32m, P = 4.42522 d | |||||
HD 155555 | V824 | 155555 | 84586 | 17h 17m 25.50s | −66° 57′ 03.7″ | 6.77 | 4.18 | 102.5 | G5IV+K0IV-V | RS CVn variable, ΔV = 0.07m, P = 1.6816 d | |||||
HD 156385 | 156385 | 84757 | 17h 19m 29.90s | −45° 38′ 23.9″ | 6.92 | WC7.5 | Wolf–Rayet star | ||||||||
HD 154857 | 154857 | 84069 | 17h 11m 15.72s | −56° 40′ 50.9″ | 7.25 | 3.07 | 223 | G5V | has 2 confirmed planets (b & c) | ||||||
V535 Ara | V535 | 159441 | 86306 | 17h 38m 05.55s | −56° 49′ 17.3″ | 7.36 | 2.02 | 381 | A8V | W UMa variable, Vmax = 7.17m, Vmin = 7.75m, P = 0.62930098 d | |||||
HD 154672 | 154672 | 83983 | 17h 10m 04.91s | −56° 26′ 57.4″ | 8.21 | 4.12 | 215 | G3IV | has a planet (b) | ||||||
RW Ara | RW | 158830 | 17h 34m 49.23s | −57° 08′ 50.5″ | 8.97 | A1IV | Algol variable, Vmax = 8.85m, Vmin = 11.45m, P = 4.3674535 d | ||||||||
HD 152079 | 152079 | 82632 | 16h 53m 29.74s | −46° 19′ 58.6″ | 9.20 | 4.55 | 278 | G6V | has a planet (b) | ||||||
Gliese 674 | 85523 | 17h 28m 39.95s | −46° 53′ 42.7″ | 9.36 | 11.08 | 15 | M2.5 | has a planet (b) | |||||||
Gliese 676A | 85647 | 17h 30m 11.20s | −51° 38′ 13.1″ | 9.59 | 8.55 | 53 | M0 | component of Gliese 676 system; has a planet (b) | |||||||
S Ara | S | 88064 | 17h 59m 10.75s | −49° 26′ 00.5″ | 10.73 | 1.81 | 1980 | A3 | RR Lyr variable, Vmax = 9.92m, Vmin = 11.24m, P = 0.451848 d | ||||||
SAO 244567 | V839 | 17h 16m 21.08s | −59° 29′ 23.3″ | 10.75 | -2.96 | 18000 | B3e | central star of Stingray Nebula | |||||||
AE Ara | AE | 17h 41m 04.91s | −47° 03′ 27.0″ | 11.00 | M2-5.5+Be | Z And variable, Vmax = 11.0m, Vmin = 13.6m, P = 803.4 d | |||||||||
CPD -56 8032 | V837 | 83916 | 17h 09m 00.86s | −56° 54′ 48.1″ | 11.04 | WC10 | central star of planetary nebula; Wolf–Rayet star Vmax = 10.9m, Vmin = 12.4m | ||||||||
AT Ara | AT | 17h 30m 33.80s | −46° 05′ 58.9″ | 11.5 | K2+ | SS Cyg variable, Vmax = 11.5m, Vmin = 15.32m, P = 0.37555 d | |||||||||
GX 339-4 | V821 | 17h 02m 49.36s | −48° 47′ 22.8″ | 15.5 | X-ray nova, Vmax = 15.4m, Vmin = 20.4m, P = 1.7557 d | ||||||||||
BPM 25114 | V820 | 17h 47m 46.9s | −52° 07′ 10″ | 15.62 | DA: | variable white dwarf, Vmax = 15.57m, Vmin = 15.74m, P = 2.8391 d | |||||||||
Westerlund 1-26 | 16h 47m 05.40s | −45° 50′ 36.8″ | 16.79 | M5-6Ia | in Westerlund 1; one of the largest known stars | ||||||||||
4U 1636-53 | V801 | 16h 40m 55.5s | −53° 45′ 05″ | 17.5 | A1IV | X-ray burster, Vmax = 16.5m, Vmin = 19.5m, P = 0.15804693 d | |||||||||
SGR 1627-41 | 16h 35m 52.0s | −47° 35′ 14.0″ | 11000 | soft gamma repeater | |||||||||||
Gliese 676B | 17h 30m 11.2s | −51° 38′ 13.1″ | M3 | component of Gliese 676 system | |||||||||||
BF Ara | BF | 17h 38m 21.33s | −47° 10′ 41.5″ | SU UMa variable | |||||||||||
OY Ara | OY | 149990 | 16h 40m 50.27s | −52° 25′ 51.3″ | nova and Algol variable | ||||||||||
CXOU J164710.2-455216 | 16h 47m 10.20s | −45° 52′ 16.8″ | in Westerlund 1 Anomalous X-ray pulsar | ||||||||||||
PSR J1644-4559 | 16h 44m 49.28s | −45° 59′ 09.5″ | pulsar | ||||||||||||
XTE J1650-500 | 16h 50m 00.98s | −49° 57′ 43.6″ | K4V | Low-mass X-ray binary; black hole candidate | |||||||||||
XTE J1701-462 | 17h 00m 58.46s | −46° 11′ 08.6″ | Low-mass X-ray binary | ||||||||||||
Table legend:
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