List of stars in Triangulum Australe
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. | Sp. class | Notes |
| α TrA | α | 150798 | 82273 | 1.91 | −3.62 | 415 | K2IIb-IIIa | Atria | |||
| β TrA | β | 141891 | 77952 | 2.83 | 2.38 | 40 | F2III | Betria | |||
| γ TrA | γ | 135382 | 74946 | 2.87 | −0.87 | 183 | A1V | Gatria | |||
| δ TrA | δ | 145544 | 79664 | 3.86 | −2.54 | 621 | G5II | ||||
| ε TrA | ε | 138538 | 76440 | 4.11 | 0.00 | 216 | K0III | ||||
| ζ TrA | ζ | 147584 | 80686 | 4.90 | 4.49 | 39 | F9V | ||||
| LP TrA | LP | 150549 | 82129 | 5.10 | −1.32 | 626 | Ap | α² CVn variable, | |||
| κ TrA | κ | 141767 | 77982 | 5.11 | −4.70 | 2991 | G6IIa | semiregular variable, | |||
| HD 148291 | 148291 | 80874 | 5.19 | −1.37 | 669 | K0II/IIICN. | |||||
| ι TrA | ι | 147787 | 80645 | 5.28 | 2.25 | 132 | F4IV | γ Dor variable, triple star | |||
| θ TrA | θ | 148890 | 81252 | 5.50 | 0.49 | 328 | G8/K0III | ||||
| HD 140483 | 140483 | 77390 | 5.54 | 0.06 | 406 | A5 | |||||
| LX TrA | LX | 137066 | 75665 | 5.71 | −0.88 | 679 | K5/M0III | semiregular variable | |||
| HD 142514 | 142514 | 78279 | 5.74 | −1.08 | 753 | B7III | |||||
| X TrA | X | 134453 | 74582 | 5.75 | −2.56 | 1495 | N0v | semiregular variable, | |||
| HD 133683 | 133683 | 74184 | 5.76 | −5.58 | 6037 | F8Iab-Ib | |||||
| HD 142139 | 142139 | 78045 | 5.76 | 1.66 | 215 | A3V | |||||
| MX TrA | MX | 152564 | 83150 | 5.79 | −1.60 | 982 | Ap Si | α² CVn variable | |||
| HD 136672 | 136672 | 75565 | 5.89 | 0.84 | 334 | K0III | |||||
| η1 TrA | η1 | 149671 | 81710 | 5.89 | −0.73 | 688 | B7IV | ||||
| HD 145689 | 145689 | 79797 | 5.95 | 2.24 | 180 | A4V | suspected variable | ||||
| HD 150026 | 150026 | 81873 | 6.02 | 1.17 | 305 | A0Vn | suspected variable | ||||
| HD 151441 | 151441 | 82517 | 6.12 | −1.20 | 948 | B8II/III | |||||
| HD 141913 | 141913 | 77927 | 6.14 | −2.45 | 1707 | B9II | suspected variable, | ||||
| HD 147349 | 147349 | 80455 | 6.14 | 0.55 | 428 | A1V | |||||
| HD 133456 | 133456 | 74047 | 6.18 | −0.75 | 793 | K3III | 34 G. Cir | ||||
| HD 141585 | 141585 | 77817 | 6.22 | −0.19 | 623 | K3III | suspected variable, | ||||
| HD 150097 | 150097 | 81823 | 6.23 | −2.04 | 1468 | K3III | |||||
| HD 143238 | 143238 | 78603 | 6.25 | 1.17 | 339 | B9.5V | |||||
| HD 135737 | 135737 | 75091 | 6.27 | −1.66 | 1254 | B3V | suspected variable | ||||
| HD 151404 | 151404 | 82539 | 6.33 | 1.01 | 377 | K2III | |||||
| R TrA | R | 135592 | 75018 | 6.39 | 3500 | F7Ib/II | Cepheid variable, | ||||
| S TrA | S | 142941 | 78476 | 6.42 | −2.57 | 2050 | F8II | Cepheid variable, | |||
| HD 138965 | 138965 | 76736 | 6.45 | 2.01 | 252 | A5V | |||||
| HD 153389 | 153389 | 83556 | 6.47 | −1.46 | 1254 | M3/M4III | suspected irregular variable | ||||
| HD 144481 | 144481 | 79208 | 6.50 | 1.41 | 340 | A3m... | |||||
| U TrA | U | 143999 | 78978 | 7.89 | 3130 | F8Ib/II | Cepheid variable, | ||||
| HD 147018 | 147018 | 80250 | 8.37 | 5.22 | 139 | G9V | has two planets | ||||
| RT TrA | RT | 81157 | 9.70 | 2590 | G2Ib-II: | W Virginis variable, | |||||
| HD 143414 | LT | 143414 | 78689 | 10.10 | 2940 | WN+... | Wolf–Rayet star, | ||||
| EK TrA | EK | 10.40 | SU Ursae Majoris variable, | ||||||||
| HD 141969 | MM | 141969 | 78034 | 11.00 | 3500 | BC0Ibe | central star of planetary nebula He 2-138 | ||||
| KX TrA | KX | 11.38 | M6 | Z Andromedae variable | |||||||
| 4U 1626-67 | KZ | 18.50 | Low-mass X-ray binary, | ||||||||
| X1556-605 | LU | 18.60 | Low-mass X-ray binary, | ||||||||
| TrA X-1 | KY | Low-mass X-ray binary | |||||||||
| WISE 1639-6847 | 16 | Y | brown dwarf |