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

More information Name, B ...
Name B F Var HD HIP RA Dec vis.
mag.
abs.
mag.
Dist. (ly) Sp. class Notes
β Triβ4131611006402h 09m 32.52s+34° 59 14.63.000.09124A5III
α Triα211443879601h 53m 04.90s+29° 34 45.83.421.9564F6IVMothallah, Ras al Mothallah, Caput Trianguli; rotating ellipsoidal variable
γ Triγ9140551067002h 17m 18.84s+33° 50 50.44.031.24118A1Vnn
δ Triδ8139741064402h 17m 02.42s+34° 13 29.44.844.6635G0V
ι Triι6TZ134801028002h 12m 22.32s+30° 18 11.64.940.08305F5V comp SBRS CVn variable, ΔV = 0.09m, P = 14.732 d
14 Tri14156561178402h 32m 06.14s+36° 08 50.05.15−0.25391K5IIIvariable star, ΔV = 0.006m, P = 0.08576 d
7 Tri7138691055902h 15m 56.30s+33° 21 32.35.250.48293A0V
10 Tri10142521079302h 18m 56.99s+28° 38 33.65.290.13350A2V
12 Tri12152571148602h 28m 09.99s+29° 40 10.35.291.90155F0III
15 Tri15160581208602h 35m 46.80s+34° 41 15.75.38M3IIIsuspected slow irregular variable, ΔV = 0.14m
R TriR162101219302h 37m 02.50s+34° 15 50.05.401299M4IIIeMira variable, Vmax = 5.4m, Vmin = 12.6m, P = 266.9 d
ε Triε312471957002h 02m 57.97s+33° 17 02.95.500.22370A2Vbinary star
11 Tri11151761143202h 27m 27.79s+31° 48 04.95.550.83286K1III:
HD 1039010390794301h 42m 03.45s+35° 14 44.85.631.13259B9IV-V
HD 1100711007843301h 48m 41.68s+32° 41 22.25.783.6089F8V
HD 1192811928913201h 57m 43.74s+27° 48 16.35.840.02476M2IIIvariable star, ΔV = 0.013m, P = 50.65856 d
HD 15755157551184002h 32m 52.66s+34° 32 32.85.841.33260K0III
13 Tri13153351154802h 28m 48.54s+29° 55 53.75.893.45100G0V
HD 1034810348790601h 41m 39.24s+30° 02 49.75.97−0.06523K0III
HD 16187161871216002h 36m 43.05s+31° 36 27.66.070.36452K0
HD 16220162201220002h 37m 06.51s+32° 53 27.76.232.52180F8V
5 Tri5133721022002h 11m 25.00s+31° 31 35.16.240.39482A1m
HD 15464154641165102h 30m 16.56s+33° 50 01.86.260.98371K1IIIvariable star, ΔV = 0.005m, P = 0.26973 d
HD 1058810588808601h 43m 50.15s+32° 11 31.26.320.57460G8III-IV SB
HD 13747137471044602h 14m 37.88s+28° 41 29.16.352.48194K1III
HD 92989298714701h 32m 07.58s+34° 47 59.96.39−0.90937B7IIIMNp...
1 Tri11047794801h 42m 05.92s+29° 30 21.857.520.78730A2V
HD 13189131891008502h 09m 40.17s+32° 18 59.27.571.23602K3IIhas a planet or a brown dwarf companion (b)
HD 94469446724501h 33m 20.18s+29° 15 54.58.354.74172G5Vhas two planets (b & c)
HD 12545XX12545963002h 03m 47.11s+35° 35 28.78.42522K0IIIRS CVn variable, Vmax = 8.1m, Vmin = 8.7m, P = 24.26007 d
X TriX12211938302h 00m 33.72s+27° 53 19.38.862.76541A7VAlgol variable, Vmax = 8.55m, Vmin = 11.27m, P = 0.9715352 d
V TriV01h 31m 47.10s+30° 22 01.610.96A3β Lyr variable, Vmax = 10.7m, Vmin = 11.8m, P = 0.5852057 d
RV TriRV02h 13m 18.16s+31° 01 01.611.21A2:Algol variable
WASP-5612h 13m 27.89s+23° 03 20.4511.46G6has a planet
RW TriRW02h 25m 36.15s+28° 05 50.912.50M0VAlgol variable and nova-like star, Vmax = 12.5m, Vmin = 15.61m, P = 0.231883392 d
HAT-P-3802h 21m 31.9s+32° 14 4712.56812GHorna; has a planet (b)
AI TriAI02h 03m 48.61s+29° 59 25.815.30M2.5AM Her variable, Vmax = 14.7m, Vmin = 18.2m, P = 0.19174566 d
Var 8301h 34m 10.91s+30° 34 37.415.403000000in Triangulum Galaxy; luminous blue variable, Vmax = 15.4m, Vmin = 16.6m; one of the most luminous stars known
Var B01h 33m 49.20s+30° 38 09.116.213000000Ain Triangulum Galaxy; luminous blue variable; one of the most luminous stars known
Var C01h 33m 35.14s+30° 36 00.416.433000000Bin Triangulum Galaxy; luminous blue variable, Vmax = 15.2m, Vmin = 17.2m; one of the most luminous stars known
Var 1901h 33m 57.1s+30° 45 1218.203000000in Triangulum Galaxy; formerly thought to be a Cepheid variable
M33 X-701h 33m 34.13s+30° 32 11.318.703000000O6IIIin Triangulum Galaxy; High-mass X-ray binary; contains largest known stellar black hole
Var A01h 32m 32.52s+30° 30 22.43000000F8Iain Triangulum Galaxy; luminous blue variable; one of the most luminous stars known
Var 2Y01h 34m 18.4s+30° 38 273000000Ofpe/WN9in Triangulum Galaxy; luminous blue variable; one of the most luminous stars known
LSPM J0207+333102h 07m 33.81s+33° 31 29.53145DAoldest white dwarf to host a circumstellar disk
Table legend:
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See also

References

  • ESA (1997). "The Hipparcos and Tycho Catalogues". Retrieved 30 July 2012.
  • Kostjuk, N. D. (2002). "HD-DM-GC-HR-HIP-Bayer-Flamsteed Cross Index". Retrieved 30 July 2012.
  • Roman, N. G. (1987). "Identification of a Constellation from a Position". Retrieved 30 July 2012.
  • Samus, N. N.; Durlevich, O. V.; et al. (2004). "Combined General Catalogue of Variable Stars (GCVS4.2)". Retrieved 30 July 2012.
  • Samus, N. N.; Durlevich, O. V.; et al. (2012). "General Catalog of Variable Stars (GCVS database, version 2012Feb)". Retrieved 30 July 2012.
  • "AAVSO Website". American Association of Variable Star Observers. Retrieved 9 March 2014.

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