This is a list of notable stars in the constellation Triangulum, sorted by decreasing brightness.
Name | B | F | Var | HD | HIP | RA | Dec | vis. mag. |
abs. mag. |
Dist. (ly) | Sp. class | Notes | |||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
β Tri | β | 4 | 13161 | 10064 | 02h 09m 32.52s | +34° 59′ 14.6″ | 3.00 | 0.09 | 124 | A5III | |||||
α Tri | α | 2 | 11443 | 8796 | 01h 53m 04.90s | +29° 34′ 45.8″ | 3.42 | 1.95 | 64 | F6IV | Mothallah, Ras al Mothallah, Caput Trianguli; rotating ellipsoidal variable | ||||
γ Tri | γ | 9 | 14055 | 10670 | 02h 17m 18.84s | +33° 50′ 50.4″ | 4.03 | 1.24 | 118 | A1Vnn | |||||
δ Tri | δ | 8 | 13974 | 10644 | 02h 17m 02.42s | +34° 13′ 29.4″ | 4.84 | 4.66 | 35 | G0V | |||||
ι Tri | ι | 6 | TZ | 13480 | 10280 | 02h 12m 22.32s | +30° 18′ 11.6″ | 4.94 | 0.08 | 305 | F5V comp SB | RS CVn variable, ΔV = 0.09m, P = 14.732 d | |||
14 Tri | 14 | 15656 | 11784 | 02h 32m 06.14s | +36° 08′ 50.0″ | 5.15 | −0.25 | 391 | K5III | variable star, ΔV = 0.006m, P = 0.08576 d | |||||
7 Tri | 7 | 13869 | 10559 | 02h 15m 56.30s | +33° 21′ 32.3″ | 5.25 | 0.48 | 293 | A0V | ||||||
10 Tri | 10 | 14252 | 10793 | 02h 18m 56.99s | +28° 38′ 33.6″ | 5.29 | 0.13 | 350 | A2V | ||||||
12 Tri | 12 | 15257 | 11486 | 02h 28m 09.99s | +29° 40′ 10.3″ | 5.29 | 1.90 | 155 | F0III | ||||||
15 Tri | 15 | 16058 | 12086 | 02h 35m 46.80s | +34° 41′ 15.7″ | 5.38 | M3III | suspected slow irregular variable, ΔV = 0.14m | |||||||
R Tri | R | 16210 | 12193 | 02h 37m 02.50s | +34° 15′ 50.0″ | 5.40 | 1299 | M4IIIe | Mira variable, Vmax = 5.4m, Vmin = 12.6m, P = 266.9 d | ||||||
ε Tri | ε | 3 | 12471 | 9570 | 02h 02m 57.97s | +33° 17′ 02.9″ | 5.50 | 0.22 | 370 | A2V | binary star | ||||
11 Tri | 11 | 15176 | 11432 | 02h 27m 27.79s | +31° 48′ 04.9″ | 5.55 | 0.83 | 286 | K1III: | ||||||
HD 10390 | 10390 | 7943 | 01h 42m 03.45s | +35° 14′ 44.8″ | 5.63 | 1.13 | 259 | B9IV-V | |||||||
HD 11007 | 11007 | 8433 | 01h 48m 41.68s | +32° 41′ 22.2″ | 5.78 | 3.60 | 89 | F8V | |||||||
HD 11928 | 11928 | 9132 | 01h 57m 43.74s | +27° 48′ 16.3″ | 5.84 | 0.02 | 476 | M2III | variable star, ΔV = 0.013m, P = 50.65856 d | ||||||
HD 15755 | 15755 | 11840 | 02h 32m 52.66s | +34° 32′ 32.8″ | 5.84 | 1.33 | 260 | K0III | |||||||
13 Tri | 13 | 15335 | 11548 | 02h 28m 48.54s | +29° 55′ 53.7″ | 5.89 | 3.45 | 100 | G0V | ||||||
HD 10348 | 10348 | 7906 | 01h 41m 39.24s | +30° 02′ 49.7″ | 5.97 | −0.06 | 523 | K0III | |||||||
HD 16187 | 16187 | 12160 | 02h 36m 43.05s | +31° 36′ 27.6″ | 6.07 | 0.36 | 452 | K0 | |||||||
HD 16220 | 16220 | 12200 | 02h 37m 06.51s | +32° 53′ 27.7″ | 6.23 | 2.52 | 180 | F8V | |||||||
5 Tri | 5 | 13372 | 10220 | 02h 11m 25.00s | +31° 31′ 35.1″ | 6.24 | 0.39 | 482 | A1m | ||||||
HD 15464 | 15464 | 11651 | 02h 30m 16.56s | +33° 50′ 01.8″ | 6.26 | 0.98 | 371 | K1III | variable star, ΔV = 0.005m, P = 0.26973 d | ||||||
HD 10588 | 10588 | 8086 | 01h 43m 50.15s | +32° 11′ 31.2″ | 6.32 | 0.57 | 460 | G8III-IV SB | |||||||
HD 13747 | 13747 | 10446 | 02h 14m 37.88s | +28° 41′ 29.1″ | 6.35 | 2.48 | 194 | K1III | |||||||
HD 9298 | 9298 | 7147 | 01h 32m 07.58s | +34° 47′ 59.9″ | 6.39 | −0.90 | 937 | B7IIIMNp... | |||||||
1 Tri | 1 | 1047 | 7948 | 01h 42m 05.92s | +29° 30′ 21.85″ | 7.52 | 0.78 | 730 | A2V | ||||||
HD 13189 | 13189 | 10085 | 02h 09m 40.17s | +32° 18′ 59.2″ | 7.57 | 1.23 | 602 | K3II | has a planet or a brown dwarf companion (b) | ||||||
HD 9446 | 9446 | 7245 | 01h 33m 20.18s | +29° 15′ 54.5″ | 8.35 | 4.74 | 172 | G5V | has two planets (b & c) | ||||||
HD 12545 | XX | 12545 | 9630 | 02h 03m 47.11s | +35° 35′ 28.7″ | 8.42 | 522 | K0III | RS CVn variable, Vmax = 8.1m, Vmin = 8.7m, P = 24.26007 d | ||||||
X Tri | X | 12211 | 9383 | 02h 00m 33.72s | +27° 53′ 19.3″ | 8.86 | 2.76 | 541 | A7V | Algol variable, Vmax = 8.55m, Vmin = 11.27m, P = 0.9715352 d | |||||
V Tri | V | 01h 31m 47.10s | +30° 22′ 01.6″ | 10.96 | A3 | β Lyr variable, Vmax = 10.7m, Vmin = 11.8m, P = 0.5852057 d | |||||||||
RV Tri | RV | 02h 13m 18.16s | +31° 01′ 01.6″ | 11.21 | A2: | Algol variable | |||||||||
WASP-56 | 12h 13m 27.89s | +23° 03′ 20.45″ | 11.46 | G6 | has a planet | ||||||||||
RW Tri | RW | 02h 25m 36.15s | +28° 05′ 50.9″ | 12.50 | M0V | Algol variable and nova-like star, Vmax = 12.5m, Vmin = 15.61m, P = 0.231883392 d | |||||||||
HAT-P-38 | 02h 21m 31.9s | +32° 14′ 47″ | 12.56 | 812 | G | Horna; has a planet (b) | |||||||||
AI Tri | AI | 02h 03m 48.61s | +29° 59′ 25.8″ | 15.30 | M2.5 | AM Her variable, Vmax = 14.7m, Vmin = 18.2m, P = 0.19174566 d | |||||||||
Var 83 | 01h 34m 10.91s | +30° 34′ 37.4″ | 15.40 | 3000000 | in Triangulum Galaxy; luminous blue variable, Vmax = 15.4m, Vmin = 16.6m; one of the most luminous stars known | ||||||||||
Var B | 01h 33m 49.20s | +30° 38′ 09.1″ | 16.21 | 3000000 | A | in Triangulum Galaxy; luminous blue variable; one of the most luminous stars known | |||||||||
Var C | 01h 33m 35.14s | +30° 36′ 00.4″ | 16.43 | 3000000 | B | in Triangulum Galaxy; luminous blue variable, Vmax = 15.2m, Vmin = 17.2m; one of the most luminous stars known | |||||||||
Var 19 | 01h 33m 57.1s | +30° 45′ 12″ | 18.20 | 3000000 | in Triangulum Galaxy; formerly thought to be a Cepheid variable | ||||||||||
M33 X-7 | 01h 33m 34.13s | +30° 32′ 11.3″ | 18.70 | 3000000 | O6III | in Triangulum Galaxy; High-mass X-ray binary; contains largest known stellar black hole | |||||||||
Var A | 01h 32m 32.52s | +30° 30′ 22.4″ | 3000000 | F8Ia | in Triangulum Galaxy; luminous blue variable; one of the most luminous stars known | ||||||||||
Var 2 | Y | 01h 34m 18.4s | +30° 38′ 27″ | 3000000 | Ofpe/WN9 | in Triangulum Galaxy; luminous blue variable; one of the most luminous stars known | |||||||||
LSPM J0207+3331 | 02h 07m 33.81s | +33° 31′ 29.53″ | 145 | DA | oldest white dwarf to host a circumstellar disk | ||||||||||
Table legend:
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See also
[edit]References
[edit]- 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.