List of stars in Triangulum

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

Notes

β Tri

β

4

13161

10064

02^h 09^m 32.52^s

+34° 59′ 14.6″

3.00

0.09

124

A5III

α Tri

α

2

11443

8796

01^h 53^m 04.90^s

+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

02^h 17^m 18.84^s

+33° 50′ 50.4″

4.03

1.24

118

A1Vnn

δ Tri

δ

8

13974

10644

02^h 17^m 02.42^s

+34° 13′ 29.4″

4.84

4.66

35

G0V

ι Tri

ι

6

TZ

13480

10280

02^h 12^m 22.32^s

+30° 18′ 11.6″

4.94

0.08

305

F5V comp SB

RS CVn variable, ΔV = 0.09^m, P = 14.732 d

14 Tri

14

15656

11784

02^h 32^m 06.14^s

+36° 08′ 50.0″

5.15

−0.25

391

K5III

variable star, ΔV = 0.006^m, P = 0.08576 d

7 Tri

7

13869

10559

02^h 15^m 56.30^s

+33° 21′ 32.3″

5.25

0.48

293

A0V

10 Tri

10

14252

10793

02^h 18^m 56.99^s

+28° 38′ 33.6″

5.29

0.13

350

A2V

12 Tri

12

15257

11486

02^h 28^m 09.99^s

+29° 40′ 10.3″

5.29

1.90

155

F0III

15 Tri

15

16058

12086

02^h 35^m 46.80^s

+34° 41′ 15.7″

5.38

M3III

suspected slow irregular variable, ΔV = 0.14^m

R Tri

R

16210

12193

02^h 37^m 02.50^s

+34° 15′ 50.0″

5.40

1299

M4IIIe

Mira variable, V_max = 5.4^m, V_min = 12.6^m, P = 266.9 d

ε Tri

ε

3

12471

9570

02^h 02^m 57.97^s

+33° 17′ 02.9″

5.50

0.22

370

A2V

binary star

11 Tri

11

15176

11432

02^h 27^m 27.79^s

+31° 48′ 04.9″

5.55

0.83

286

K1III:

HD 10390

10390

7943

01^h 42^m 03.45^s

+35° 14′ 44.8″

5.63

1.13

259

B9IV-V

HD 11007

11007

8433

01^h 48^m 41.68^s

+32° 41′ 22.2″

5.78

3.60

89

F8V

HD 11928

11928

9132

01^h 57^m 43.74^s

+27° 48′ 16.3″

5.84

0.02

476

M2III

variable star, ΔV = 0.013^m, P = 50.65856 d

HD 15755

15755

11840

02^h 32^m 52.66^s

+34° 32′ 32.8″

5.84

1.33

260

K0III

13 Tri

13

15335

11548

02^h 28^m 48.54^s

+29° 55′ 53.7″

5.89

3.45

100

G0V

HD 10348

10348

7906

01^h 41^m 39.24^s

+30° 02′ 49.7″

5.97

−0.06

523

K0III

HD 16187

16187

12160

02^h 36^m 43.05^s

+31° 36′ 27.6″

6.07

0.36

452

K0

HD 16220

16220

12200

02^h 37^m 06.51^s

+32° 53′ 27.7″

6.23

2.52

180

F8V

5 Tri

5

13372

10220

02^h 11^m 25.00^s

+31° 31′ 35.1″

6.24

0.39

482

A1m

HD 15464

15464

11651

02^h 30^m 16.56^s

+33° 50′ 01.8″

6.26

0.98

371

K1III

variable star, ΔV = 0.005^m, P = 0.26973 d

HD 10588

10588

8086

01^h 43^m 50.15^s

+32° 11′ 31.2″

6.32

0.57

460

G8III-IV SB

HD 13747

13747

10446

02^h 14^m 37.88^s

+28° 41′ 29.1″

6.35

2.48

194

K1III

HD 9298

9298

7147

01^h 32^m 07.58^s

+34° 47′ 59.9″

6.39

−0.90

937

B7IIIMNp...

1 Tri

1

1047

7948

01^h 42^m 05.92^s

+29° 30′ 21.85″

7.52

0.78

730

A2V

HD 13189

13189

10085

02^h 09^m 40.17^s

+32° 18′ 59.2″

7.57

1.23

602

K3II

has a planet or a brown dwarf companion (b)

HD 9446

9446

7245

01^h 33^m 20.18^s

+29° 15′ 54.5″

8.35

4.74

172

G5V

has two planets (b & c)

HD 12545

XX

12545

9630

02^h 03^m 47.11^s

+35° 35′ 28.7″

8.42

522

K0III

RS CVn variable, V_max = 8.1^m, V_min = 8.7^m, P = 24.26007 d

X Tri

X

12211

9383

02^h 00^m 33.72^s

+27° 53′ 19.3″

8.86

2.76

541

A7V

Algol variable, V_max = 8.55^m, V_min = 11.27^m, P = 0.9715352 d

V Tri

V

01^h 31^m 47.10^s

+30° 22′ 01.6″

10.96

A3

β Lyr variable, V_max = 10.7^m, V_min = 11.8^m, P = 0.5852057 d

RV Tri

RV

02^h 13^m 18.16^s

+31° 01′ 01.6″

11.21

A2:

Algol variable

WASP-56

01^h 44^m 19.59^s

+31° 41′ 22.5″

11.46

G6

has a planet

RW Tri

RW

02^h 25^m 36.15^s

+28° 05′ 50.9″

12.50

M0V

Algol variable and nova-like star, V_max = 12.5^m, V_min = 15.61^m, P = 0.231883392 d

HAT-P-38

02^h 21^m 31.9^s

+32° 14′ 47″

12.56

812

G

Horna; has a planet (b)

AI Tri

AI

02^h 03^m 48.61^s

+29° 59′ 25.8″

15.30

M2.5

AM Her variable, V_max = 14.7^m, V_min = 18.2^m, P = 0.19174566 d

Var 83

01^h 34^m 10.91^s

+30° 34′ 37.4″

15.40

3000000

in Triangulum Galaxy; luminous blue variable, V_max = 15.4^m, V_min = 16.6^m; one of the most luminous stars known

Var B

01^h 33^m 49.20^s

+30° 38′ 09.1″

16.21

3000000

A

in Triangulum Galaxy; luminous blue variable; one of the most luminous stars known

Var C

01^h 33^m 35.14^s

+30° 36′ 00.4″

16.43

3000000

B

in Triangulum Galaxy; luminous blue variable, V_max = 15.2^m, V_min = 17.2^m; one of the most luminous stars known

Var 19

01^h 33^m 57.1^s

+30° 45′ 12″

18.20

3000000

in Triangulum Galaxy; formerly thought to be a Cepheid variable

M33 X-7

01^h 33^m 34.13^s

+30° 32′ 11.3″

18.70

3000000

O6III

in Triangulum Galaxy; High-mass X-ray binary; contains largest known stellar black hole

Var A

01^h 32^m 32.52^s

+30° 30′ 22.4″

3000000

F8Ia

in Triangulum Galaxy; luminous blue variable; one of the most luminous stars known

Var 2

Y

01^h 34^m 18.4^s

+30° 38′ 27″

3000000

Ofpe/WN9

in Triangulum Galaxy; luminous blue variable; one of the most luminous stars known

LSPM J0207+3331

02^h 07^m 33.81^s

+33° 31′ 29.53″

145

DA

oldest white dwarf to host a circumstellar disk

Table legend:

• Name = Proper name
• B = Bayer designation
• F or/and G. = Flamsteed designation or Gould designation
• Var = Variable star designation
• HD = Henry Draper Catalogue designation number
• HIP = Hipparcos Catalogue designation number
• RA = Right ascension for the Epoch/Equinox J2000.0
• Dec = Declination for the Epoch/Equinox J2000.0

• vis. mag. = visual magnitude (m or m_v), also known as apparent magnitude
• abs. mag. = absolute magnitude (M_v)
• Dist. (ly) = Distance in light-years from Earth
• Sp. class = Spectral class of the star in the stellar classification system
• Notes = Common name(s) or alternate name(s); comments; notable properties [for example: multiple star status, range of variability if it is a variable star, exoplanets, etc.]

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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See also

References