List of stars in Triangulum Australe

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

Name

B

Var

HD

HIP

RA

Dec

Dist. (ly)

Notes

α

150798

82273

16^h 48^m 39.87^s

−69° 01′ 39.5″

1.91

−3.62

391

K2IIb-IIIa

Atria, possible binary star^[1]

β TrA

β

141891

77952

15^h 55^m 08.81^s

−63° 25′ 47.1″

2.83

2.38

40

F1 V^[2]

γ TrA

γ

135382

74946

15^h 18^m 54.69^s

−68° 40′ 46.1″

2.87

−0.87

183

A1V

δ TrA

δ

145544

79664

16^h 15^m 26.27^s

−63° 41′ 08.3″

3.86

−2.54

621

G5II

ε TrA

ε

138538

76440

15^h 36^m 43.19^s

−66° 19′ 00.9″

4.11

0.00

216

K0III

ζ TrA

ζ

147584

80686

16^h 28^m 27.80^s

−70° 05′ 04.8″

4.90

4.49

39

F9V

LP TrA

LP

150549

82129

16^h 46^m 40.01^s

−67° 06′ 34.8″

5.10

−1.32

626

A0II-IIIp

α² CVn variable, ΔV = 0.033^m, P = 3.76 d

κ TrA

κ

141767

77982

15^h 55^m 29.61^s

−68° 36′ 10.8″

5.11

−4.70

2991

G6IIa

semiregular variable, V_max = 5.08^m, V_min = 5.11^m, P = 600 d

HD 148291

148291

80874

16^h 30^m 49.37^s

−61° 38′ 00.5″

5.19

−1.37

669

K0II/IIICN.

ι TrA

ι

147787

80645

16^h 27^m 57.27^s

−64° 03′ 28.8″

5.28

2.25

132

F4IV

γ Dor variable, triple star

θ TrA

θ

148890

81252

16^h 35^m 44.77^s

−65° 29′ 43.2″

5.50

0.49

328

G8/K0III

HD 140483

140483

77390

15^h 47^m 53.10^s

−65° 26′ 31.9″

5.54

0.06

406

A5

LX TrA

LX

137066

75665

15^h 27^m 33.10^s

−64° 31′ 53.2″

5.71

−0.88

679

K5/M0III

semiregular variable

HD 142514

142514

78279

15^h 58^m 58.16^s

−65° 02′ 15.2″

5.74

−1.08

753

B7III

X TrA

X

134453

74582

15^h 14^m 19.17^s

−70° 04′ 46.0″

5.75

−2.56

1495

C5.5^[3]

semiregular variable, V_max = 5.03^m, V_min = 6.05^m, P = 361.1 d

HD 133683

133683

74184

15^h 09^m 29.92^s

−67° 05′ 02.9″

5.76

−5.58

6037

F8Iab-Ib

HD 142139

142139

78045

15^h 56^m 05.96^s

−60° 28′ 56.3″

5.76

1.66

215

A3V

MX TrA

MX

152564

83150

16^h 59^m 33.98^s

−69° 16′ 05.3″

5.79

−1.60

982

Ap Si

α² CVn variable

HD 136672

136672

75565

15^h 26^m 14.53^s

−68° 18′ 33.1″

5.89

0.84

334

K0III

η¹ TrA

η¹

149671

81710

16^h 41^m 23.13^s

−68° 17′ 45.9″

5.89

−0.73

688

B7IV

HD 145689

145689

79797

16^h 17^m 05.48^s

−67° 56′ 27.9″

5.95

2.24

180

A4V

suspected variable

HD 150026

150026

81873

16^h 43^m 22.11^s

−67° 25′ 56.3″

6.02

1.17

305

A0Vn

suspected variable

HD 151441

151441

82517

16^h 51^m 53.88^s

−65° 22′ 31.5″

6.12

−1.20

948

B8II/III

HD 141913

141913

77927

15^h 54^m 52.64^s

−60° 44′ 37.1″

6.14

−2.45

1707

B9II

suspected variable, V_max = 6.11^m, V_min = 6.15^m

HD 147349

147349

80455

16^h 25^m 22.15^s

−63° 07′ 30.9″

6.14

0.55

428

A1V

HD 133456

133456

74047

15^h 07^m 56.75^s

−65° 16′ 31.6″

6.18

−0.75

793

K3III

34 G. Cir

HD 141585

141585

77817

15^h 53^m 22.94^s

−62° 36′ 23.6″

6.22

−0.19

623

K3III

suspected variable, V_max = 6.18^m, V_min = 6.21^m

HD 150097

150097

81823

16^h 42^m 48.42^s

−62° 33′ 14.1″

6.23

−2.04

1468

K3III

HD 143238

143238

78603

16^h 02^m 52.53^s

−62° 32′ 29.5″

6.25

1.17

339

B9.5V

HD 135737

135737

75091

15^h 20^m 40.56^s

−67° 28′ 53.4″

6.27

−1.66

1254

B3V

suspected variable

HD 151404

151404

82539

16^h 52^m 17.78^s

−67° 40′ 53.4″

6.33

1.01

377

K2III

R TrA

R

135592

75018

15^h 19^m 45.71^s

−66° 29′ 45.7″

6.39

3500

F7Ib/II

Cepheid variable, V_max = 6.33^m, V_min = 7^m, P = 3.389287 d

S TrA

S

142941

78476

16^h 01^m 10.72^s

−63° 46′ 35.5″

6.42

−2.57

2050

F8II

Cepheid variable, V_max = 5.95^m, V_min = 6.81^m, P = 6.32344 d

HD 138965

138965

76736

15^h 40^m 11.63^s

−70° 13′ 39.9″

6.45

2.01

252

A5V

HD 153389

153389

83556

17^h 04^m 33.70^s

−68° 16′ 43.1″

6.47

−1.46

1254

M3/M4III

suspected irregular variable

HD 144481

144481

79208

16^h 09^m 59.19^s

−62° 58′ 01.2″

6.50

1.41

340

A3m...

U TrA

U

143999

78978

16^h 07^m 09.01^s

−62° 54′ 38.0″

7.89

3130

F8Ib/II

Cepheid variable, V_max = 7.3^m, V_min = 8.29^m, P = 2.568423 d

HD 147018

147018

80250

16^h 23^m 00.15^s

−61° 41′ 19.5″

8.37

5.22

139

G9V

has two planets (b & c)

RT TrA

RT

81157

16^h 34^m 30.89^s

−63° 08′ 00.8″

9.70

2590

G2Ib-II:

W Virginis variable, V_max = 9.43^m, V_min = 10.18^m, P = 1.9461124 d

WR 71

LT

143414

78689

16^h 03^m 49.34^s

−62° 41′ 36.0″

10.10

2940

WN6w

Wolf–Rayet star, ΔV = 0.13^m

EK TrA

EK

15^h 14^m 01.47^s

−65° 05′ 32.1″

10.40

SU Ursae Majoris variable, V_max = 10.4^m, V_min = <15.0^m, P = 0.06288 d

HD 141969

MM

141969

78034

15^h 56^m 01.69^s

−66° 09′ 09.2″

11.00

3500

BC0Ibe

central star of planetary nebula He 2-138

KX TrA

KX

16^h 44^m 35.47^s

−62° 37′ 14.08″

11.38

M6

Z Andromedae variable

4U 1626-67

KZ

16^h 32^m 16.8^s

−67° 27′ 43″

18.50

Low-mass X-ray binary, V_max = 18.23^m, V_min = 19^m

X1556-605

LU

16^h 01^m 02.3^s

−60° 44′ 18″

18.60

Low-mass X-ray binary, V_max = 18.6^m, V_min = 19.2^m, P = 0.46229 d

TrA X-1

KY

15^h 28^m 17.2^s

−61° 52′ 58″

Low-mass X-ray binary

WISE 1639-6847

16^h 39^m 40.83^s

−68° 47′ 38.6″

16

Y

brown dwarf

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.]

^ Ayres, Thomas R.; Brown, Alexander; Harper, Graham M. (2007-03-02). "α TrA Junior". The Astrophysical Journal. 658 (2): L107. Bibcode:2007ApJ...658L.107A. doi:10.1086/514818. ISSN 0004-637X.
^ Gray, R. O.; Corbally, C. J.; Garrison, R. F.; McFadden, M. T.; Bubar, E. J.; McGahee, C. E.; O'Donoghue, A. A.; Knox, E. R. (July 2006). "Contributions to the Nearby Stars (NStars) Project: Spectroscopy of Stars Earlier than M0 within 40 parsecs: The Southern Sample". The Astronomical Journal. 132 (1): 161–170. arXiv:astro-ph/0603770. Bibcode:2006AJ....132..161G. doi:10.1086/504637. ISSN 0004-6256.
^ Warner, B. (1963-02-01). "Spectral Classification of Some Southern Late-Type Peculiar Stars". Monthly Notices of the Royal Astronomical Society. 126 (1): 61–65. doi:10.1093/mnras/126.1.61. ISSN 0035-8711.

[1] Ayres, Thomas R.; Brown, Alexander; Harper, Graham M. (2007-03-02). "α TrA Junior". The Astrophysical Journal. 658 (2): L107. Bibcode:2007ApJ...658L.107A. doi:10.1086/514818. ISSN 0004-637X.

[2] Gray, R. O.; Corbally, C. J.; Garrison, R. F.; McFadden, M. T.; Bubar, E. J.; McGahee, C. E.; O'Donoghue, A. A.; Knox, E. R. (July 2006). "Contributions to the Nearby Stars (NStars) Project: Spectroscopy of Stars Earlier than M0 within 40 parsecs: The Southern Sample". The Astronomical Journal. 132 (1): 161–170. arXiv:astro-ph/0603770. Bibcode:2006AJ....132..161G. doi:10.1086/504637. ISSN 0004-6256.

[3] Warner, B. (1963-02-01). "Spectral Classification of Some Southern Late-Type Peculiar Stars". Monthly Notices of the Royal Astronomical Society. 126 (1): 61–65. doi:10.1093/mnras/126.1.61. ISSN 0035-8711.

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