Constellation
Triangulum
Triangulum (Tri) is one of the 88 constellations recognised by the International Astronomical Union. Its brightest star is β Tri (magnitude 3.00).
| Latin name | Triangulum |
|---|---|
| Abbreviation | Tri |
| Brightest star | β Tri |
| Stars in this encyclopedia | 45 |
| Stars with exoplanets | 3 |
| Deep-sky objects | 1 |
| Galaxies | 85 |
In the sky
Visible from the whole Northern Hemisphere and south to latitude 57° S. North of latitude 57° N it never sets. It stands highest at midnight in October, the best time to observe it.
Its brightest stars
- β Tri 3.00 · 126.9 light-years
- Mothallah 3.42 · 63.5 light-years
- γ Tri 4.03 · 116.6 light-years
- δ Tri 4.84 · 35.6 light-years
- 6 Tri 4.94 · 288.6 light-years
- 14 Tri 5.15 · 433.0 light-years
- 7 Tri 5.25 · 359.7 light-years
- 10 Tri 5.29 · 362.5 light-years
- 12 Tri 5.29 · 159.8 light-years
- 15 Tri 5.38 · 678.4 light-years
- ε Tri 5.50 · 358.2 light-years
- 11 Tri 5.55 · 280.6 light-years
- HIP 7943 5.63 · 291.5 light-years
- GJ 3115 5.78 · 90.4 light-years
- HIP 9132 5.84 · 530.9 light-years
- HIP 11840 5.84 · 269.1 light-years
- 13 Tri 5.89 · 102.9 light-years
- HIP 7906 5.97 · 568.3 light-years
- HIP 12160 6.07 · 360.7 light-years
- HIP 12200 6.23 · 161.4 light-years
- 5 Tri 6.24 · 383.6 light-years
- HIP 11651 6.26 · 414.1 light-years
- HIP 8086 6.32 · 421.7 light-years
- HIP 10446 6.35 · 212.0 light-years
- HIP 7147 6.39 · 894.3 light-years
Its stars with exoplanets
Deep-sky objects
- NGC 604 Nebula
Galaxies
- Triangulum (M33) 2.74 million light-years
- IC 1727 23.5 million light-years
- NGC 672 23.5 million light-years
- NGC 855 31.7 million light-years
- KK 16 17.8 million light-years
- KK 17 16.0 million light-years
- NGC 784 16.2 million light-years
- UGC 1281 16.1 million light-years
- UGC 1703 13.7 million light-years
- d0226+3325 30.3 million light-years
- DDO 25 30.3 million light-years
- NGC 925 30.3 million light-years
- Halogas 30.3 million light-years
- DDO 19 30.3 million light-years
- IC 1823 241.7 million light-years
- IC 188 233.4 million light-years
- IC 1731 163.2 million light-years
- NGC 684 164.7 million light-years
- NGC 670 172.2 million light-years
- IC 227 479.6 million light-years
- IC 226 507.6 million light-years
- NGC 780 243.3 million light-years
- IC 221 237.2 million light-years
- NGC 865 139.6 million light-years
- NGC 661 177.9 million light-years
- NGC 805 211.8 million light-years
- NGC 807 222.0 million light-years
- NGC 819 306.4 million light-years
- NGC 953 220.1 million light-years
- NGC 826 226.7 million light-years
- NGC 860 411.8 million light-years
- NGC 804 245.5 million light-years
- NGC 769 205.8 million light-years
- IC 200 245.8 million light-years
- NGC 931 232.6 million light-years
- NGC 778 253.1 million light-years
- NGC 777 233.7 million light-years
- NGC 940 238.5 million light-years
- NGC 785 232.3 million light-years
- NGC 783 241.8 million light-years
- NGC 917 251.0 million light-years
- NGC 789 245.4 million light-years
- NGC 798 237.1 million light-years
- IC 1789 223.4 million light-years
- NGC 1060 241.8 million light-years
- IC 1815 219.1 million light-years
- NGC 1061 187.6 million light-years
- NGC 1066 202.5 million light-years
- NGC 1057 269.6 million light-years
- NGC 973 226.2 million light-years
- NGC 1067 211.2 million light-years
- IC 1793 247.5 million light-years
- IC 1784 224.4 million light-years
- IC 1785 221.7 million light-years
- NGC 978 NED01 221.1 million light-years
- NGC 969 210.0 million light-years
- NGC 974 209.7 million light-years
- NGC 740 214.7 million light-years
- NGC 736 202.9 million light-years
- IC 1733 497.9 million light-years
- IC 1735 530.8 million light-years
- NGC 750 240.9 million light-years
- NGC 890 185.4 million light-years
- NGC 739 211.0 million light-years
- NGC 987 211.3 million light-years
- NGC 761 234.3 million light-years
- NGC 582 202.8 million light-years
- NGC 579 232.6 million light-years
- NGC 608 237.8 million light-years
- NGC 614 240.5 million light-years
- NGC 735 215.7 million light-years
- NGC 666 220.5 million light-years
- NGC 1093 246.5 million light-years
- IC 1792 488.6 million light-years
- NGC 968 169.0 million light-years
- NGC 983 219.9 million light-years
- IC 171 249.7 million light-years
- NGC 688 193.4 million light-years
- NGC 587 211.1 million light-years
- NGC 634 229.5 million light-years
- NGC 959 27.8 million light-years
- NGC 621 240.5 million light-years
- NGC 669 217.8 million light-years
- NGC 861 382.0 million light-years
- NGC 949 28.4 million light-years