List of stars in Triangulum explained

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

NameBFVarHDHIPRADecvis.
mag.
abs.
mag.
Dist. (ly)Sp. classNotes
β 4 13161 10064 3.00 0.09 124 A5III
α 2 11443 8796 3.42 1.95 64 F6IV Mothallah, Ras al Mothallah, Caput Trianguli; rotating ellipsoidal variable
γ 9 14055 10670 4.03 1.24 118 A1Vnn
δ 8 13974 10644 4.84 4.66 35 G0V
ι 6 TZ 13480 10280 4.94 0.08 305 F5V comp SB RS CVn variable,
14 15656 11784 5.15 −0.25 391 K5III variable star,
7 13869 10559 5.25 0.48 293 A0V
10 14252 10793 5.29 0.13 350 A2V
12 15257 11486 5.29 1.90 155 F0III
15 16058 12086 5.38 M3III suspected slow irregular variable,
R 16210 12193 5.40 1299 M4IIIe Mira variable,
ε 3 12471 9570 5.50 0.22 370 A2V binary star
11 15176 11432 5.55 0.83 286 K1III:
10390 7943 5.63 1.13 259 B9IV-V
11007 8433 5.78 3.60 89 F8V
11928 9132 5.84 0.02 476 M2III variable star,
15755 11840 5.84 1.33 260 K0III
13 15335 11548 5.89 3.45 100 G0V
10348 7906 5.97 −0.06 523 K0III
16187 12160 6.07 0.36 452 K0
16220 12200 6.23 2.52 180 F8V
5 13372 10220 6.24 0.39 482 A1m
15464 11651 6.26 0.98 371 K1III variable star,
10588 8086 6.32 0.57 460 G8III-IV SB
13747 10446 6.35 2.48 194 K1III
9298 7147 6.39 −0.90 937 B7IIIMNp...
1 1047 7948 7.52 0.78 730 A2V
13189 10085 7.57 1.23 602 K3II has a planet or a brown dwarf companion (b)
9446 7245 8.35 4.74 172 G5V has two planets (b & c)
XX 12545 9630 8.42 522 K0III RS CVn variable, -X 12211 9383 8.86 2.76 541 A7V Algol variable,
V 10.96 A3 β Lyr variable,
RV 11.21 A2: Algol variable
11.46 G6 has a planet
RW 12.50 M0V Algol variable and nova-like star,
12.56812G Horna; has a planet (b)
AI 15.30 M2.5 AM Her variable,
15.40 3000000 in Triangulum Galaxy; luminous blue variable, ; one of the most luminous stars known
16.213000000 A in Triangulum Galaxy; luminous blue variable; one of the most luminous stars known
16.43 3000000 B in Triangulum Galaxy; luminous blue variable, ; one of the most luminous stars known
18.20 3000000 in Triangulum Galaxy; formerly thought to be a Cepheid variable
18.70 3000000 O6III in Triangulum Galaxy; High-mass X-ray binary; contains largest known stellar black hole
3000000 F8Ia in Triangulum Galaxy; luminous blue variable; one of the most luminous stars known
Y 3000000 Ofpe/WN9 in Triangulum Galaxy; luminous blue variable; one of the most luminous stars known
145 DA oldest white dwarf to host a circumstellar disk

See also

References