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:
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See also
editReferences
edit- ^ Ayres, Thomas R.; Brown, Alexander; Harper, Graham M. (2007-03-02). "α TrA Junior". The Astrophysical Journal. 658 (2): L107. Bibcode:2007ApJ...658L.107A. doi:10.1086/514818. ISSN 0004-637X.
- ^ 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. Bibcode:2006AJ....132..161G. doi:10.1086/504637. ISSN 0004-6256.
- ^ Warner, B. (1963-02-01). "Spectral Classification 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.
- 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.