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

Name B Var HD HIP RA Dec vis.
mag. 		abs.
mag. 		Dist. (ly) Sp. class Notes
α TrA α 150798 82273 16h 48m 39.87s −69° 01′ 39.5″ 1.91 −3.62 391 K2IIb-IIIa Atria, possible binary star[1]
β TrA β 141891 77952 15h 55m 08.81s −63° 25′ 47.1″ 2.83 2.38 40 F1 V[2]
γ TrA γ 135382 74946 15h 18m 54.69s −68° 40′ 46.1″ 2.87 −0.87 183 A1V
δ TrA δ 145544 79664 16h 15m 26.27s −63° 41′ 08.3″ 3.86 −2.54 621 G5II
ε TrA ε 138538 76440 15h 36m 43.19s −66° 19′ 00.9″ 4.11 0.00 216 K0III
ζ TrA ζ 147584 80686 16h 28m 27.80s −70° 05′ 04.8″ 4.90 4.49 39 F9V
LP TrA LP 150549 82129 16h 46m 40.01s −67° 06′ 34.8″ 5.10 −1.32 626 A0II-IIIp α² CVn variable, ΔV = 0.033m, P = 3.76 d
κ TrA κ 141767 77982 15h 55m 29.61s −68° 36′ 10.8″ 5.11 −4.70 2991 G6IIa semiregular variable, Vmax = 5.08m, Vmin = 5.11m, P = 600 d
HD 148291 148291 80874 16h 30m 49.37s −61° 38′ 00.5″ 5.19 −1.37 669 K0II/IIICN.
ι TrA ι 147787 80645 16h 27m 57.27s −64° 03′ 28.8″ 5.28 2.25 132 F4IV γ Dor variable, triple star
θ TrA θ 148890 81252 16h 35m 44.77s −65° 29′ 43.2″ 5.50 0.49 328 G8/K0III
HD 140483 140483 77390 15h 47m 53.10s −65° 26′ 31.9″ 5.54 0.06 406 A5
LX TrA LX 137066 75665 15h 27m 33.10s −64° 31′ 53.2″ 5.71 −0.88 679 K5/M0III semiregular variable
HD 142514 142514 78279 15h 58m 58.16s −65° 02′ 15.2″ 5.74 −1.08 753 B7III
X TrA X 134453 74582 15h 14m 19.17s −70° 04′ 46.0″ 5.75 −2.56 1495 C5.5[3] semiregular variable, Vmax = 5.03m, Vmin = 6.05m, P = 361.1 d
HD 133683 133683 74184 15h 09m 29.92s −67° 05′ 02.9″ 5.76 −5.58 6037 F8Iab-Ib
HD 142139 142139 78045 15h 56m 05.96s −60° 28′ 56.3″ 5.76 1.66 215 A3V
MX TrA MX 152564 83150 16h 59m 33.98s −69° 16′ 05.3″ 5.79 −1.60 982 Ap Si α² CVn variable
HD 136672 136672 75565 15h 26m 14.53s −68° 18′ 33.1″ 5.89 0.84 334 K0III
η1 TrA η1 149671 81710 16h 41m 23.13s −68° 17′ 45.9″ 5.89 −0.73 688 B7IV
HD 145689 145689 79797 16h 17m 05.48s −67° 56′ 27.9″ 5.95 2.24 180 A4V suspected variable
HD 150026 150026 81873 16h 43m 22.11s −67° 25′ 56.3″ 6.02 1.17 305 A0Vn suspected variable
HD 151441 151441 82517 16h 51m 53.88s −65° 22′ 31.5″ 6.12 −1.20 948 B8II/III
HD 141913 141913 77927 15h 54m 52.64s −60° 44′ 37.1″ 6.14 −2.45 1707 B9II suspected variable, Vmax = 6.11m, Vmin = 6.15m
HD 147349 147349 80455 16h 25m 22.15s −63° 07′ 30.9″ 6.14 0.55 428 A1V
HD 133456 133456 74047 15h 07m 56.75s −65° 16′ 31.6″ 6.18 −0.75 793 K3III 34 G. Cir
HD 141585 141585 77817 15h 53m 22.94s −62° 36′ 23.6″ 6.22 −0.19 623 K3III suspected variable, Vmax = 6.18m, Vmin = 6.21m
HD 150097 150097 81823 16h 42m 48.42s −62° 33′ 14.1″ 6.23 −2.04 1468 K3III
HD 143238 143238 78603 16h 02m 52.53s −62° 32′ 29.5″ 6.25 1.17 339 B9.5V
HD 135737 135737 75091 15h 20m 40.56s −67° 28′ 53.4″ 6.27 −1.66 1254 B3V suspected variable
HD 151404 151404 82539 16h 52m 17.78s −67° 40′ 53.4″ 6.33 1.01 377 K2III
R TrA R 135592 75018 15h 19m 45.71s −66° 29′ 45.7″ 6.39 3500 F7Ib/II Cepheid variable, Vmax = 6.33m, Vmin = 7m, P = 3.389287 d
S TrA S 142941 78476 16h 01m 10.72s −63° 46′ 35.5″ 6.42 −2.57 2050 F8II Cepheid variable, Vmax = 5.95m, Vmin = 6.81m, P = 6.32344 d
HD 138965 138965 76736 15h 40m 11.63s −70° 13′ 39.9″ 6.45 2.01 252 A5V
HD 153389 153389 83556 17h 04m 33.70s −68° 16′ 43.1″ 6.47 −1.46 1254 M3/M4III suspected irregular variable
HD 144481 144481 79208 16h 09m 59.19s −62° 58′ 01.2″ 6.50 1.41 340 A3m...
U TrA U 143999 78978 16h 07m 09.01s −62° 54′ 38.0″ 7.89 3130 F8Ib/II Cepheid variable, Vmax = 7.3m, Vmin = 8.29m, P = 2.568423 d
HD 147018 147018 80250 16h 23m 00.15s −61° 41′ 19.5″ 8.37 5.22 139 G9V has two planets (b & c)
RT TrA RT 81157 16h 34m 30.89s −63° 08′ 00.8″ 9.70 2590 G2Ib-II: W Virginis variable, Vmax = 9.43m, Vmin = 10.18m, P = 1.9461124 d
WR 71 LT 143414 78689 16h 03m 49.34s −62° 41′ 36.0″ 10.10 2940 WN6w Wolf–Rayet star, ΔV = 0.13m
EK TrA EK 15h 14m 01.47s −65° 05′ 32.1″ 10.40 SU Ursae Majoris variable, Vmax = 10.4m, Vmin = <15.0m, P = 0.06288 d
HD 141969 MM 141969 78034 15h 56m 01.69s −66° 09′ 09.2″ 11.00 3500 BC0Ibe central star of planetary nebula He 2-138
KX TrA KX 16h 44m 35.47s −62° 37′ 14.08″ 11.38 M6 Z Andromedae variable
4U 1626-67 KZ 16h 32m 16.8s −67° 27′ 43″ 18.50 Low-mass X-ray binary, Vmax = 18.23m, Vmin = 19m
X1556-605 LU 16h 01m 02.3s −60° 44′ 18″ 18.60 Low-mass X-ray binary, Vmax = 18.6m, Vmin = 19.2m, P = 0.46229 d
TrA X-1 KY 15h 28m 17.2s −61° 52′ 58″ Low-mass X-ray binary
WISE 1639-6847 16h 39m 40.83s −68° 47′ 38.6″ 16 Y brown dwarf
Table legend:

See also

References

  1. ^ Ayres, Thomas R.; Brown, Alexander; Harper, Graham M. (2007-03-02). "α TrA Junior". The Astrophysical Journal. 658 (2): L107. doi:10.1086/514818. ISSN 0004-637X.
  2. ^ Gray, R. O.; Corbally, C. J.; Garrison, R. F.; McFadden, M. T.; Bubar, E. J.; McGahee, C. E.; O'Donoghue, A. A.; Knox, E. R. (July 2006). "Contributions to the Nearby Stars (NStars) Project: Spectroscopy of Stars Earlier than M0 within 40 parsecs: The Southern Sample". The Astronomical Journal. 132 (1): 161–170. arXiv:astro-ph/0603770. doi:10.1086/504637. ISSN 0004-6256.
  3. ^ Warner, B. (1963-02-01). "Spectral Classfication of Some Southern Late-Type Peculiar Stars". Monthly Notices of the Royal Astronomical Society. 126 (1): 61–65. doi:10.1093/mnras/126.1.61. ISSN 0035-8711.
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