List of stars in Corona Australis

Last updated October 14, 2023

This is the list of notable stars in the constellation Corona Australis, sorted by decreasing brightness.

Name

B

Var

HD

HIP

RA

Dec

vis.
mag.

abs.
mag.

Dist. (ly)

Sp. class

Notes

β CrA

β

178345

94160

19^h 10^m 01.75^s

−39° 20′ 26.5″

4.10

−1.86

508

K0II/IIICN.

suspected variable

α CrA

α

178253

94114

19^h 09^m 28.28^s

−37° 54′ 15.3″

4.11

1.11

130

A0/A1V

Meridiana (traditionally Alphekka Meridiana, Alfecca Meridiana)

γ CrA A

γ

177474

93825

19^h 06^m 25.04^s

−37° 03′ 45.9″

4.23

2.97

58

F7IV-V

double star

δ CrA

δ

177873

94005

19^h 08^m 20.93^s

−40° 29′ 47.9″

4.57

0.93

175

K1III

θ CrA

θ

170845

90982

18^h 33^m 30.16^s

−42° 18′ 44.9″

4.62

−2.50

867

G5III

ζ CrA

ζ

176638

93542

19^h 03^m 06.83^s

−42° 05′ 42.0″

4.74

0.99

184

A0Vn

ε CrA

ε

175813

93174

18^h 58^m 43.47^s

−37° 06′ 25.5″

4.83

2.45

98

F3IV/V

W UMa variable, V_max = 4.74^m, V_min = 5^m, P = 0.5914264 d

HD 165189

165189

88726

18^h 06^m 49.88^s

−43° 25′ 29.9″

4.92

1.71

143

A5V

γ CrA B

γ

177475

19^h 06^m 25.10^s

−37° 03′ 48.0″

4.99

component of the γ CrA system

HD 168592

168592

90037

18^h 22^m 18.60^s

−38° 39′ 24.6″

5.09

−0.85

503

K4/K5III

λ CrA

λ

172777

91875

18^h 43^m 46.94^s

−38° 19′ 23.9″

5.11

1.15

202

A0/A1V

suspected variable, ΔV = 0.07^m

HD 170642

170642

90887

18^h 32^m 21.31^s

−39° 42′ 14.1″

5.16

1.02

220

A3V

μ CrA

μ

173540

92226

18^h 47^m 44.60^s

−40° 24′ 22.0″

5.20

−0.20

393

G5/G6III

HD 168905

168905

90200

18^h 24^m 18.24^s

−44° 06′ 36.7″

5.24

−0.79

524

B2.5Vn

suspected variable

HD 175219

175219

92953

18^h 56^m 16.97^s

−42° 42′ 38.2″

5.35

0.46

310

G6III-IV

V686 CrA

V686

175362

92989

18^h 56^m 40.49^s

−37° 20′ 35.5″

5.36

−0.22

425

B3V

α² CVn variable, V_max = 5.25^m, V_min = 5.41^m, P = 7.34 d

HD 172991

172991

91989

18^h 44^m 57.15^s

−39° 41′ 10.2″

5.40

−2.64

1320

K1/K2III+..

V718 CrA

V718

171967

91494

18^h 39^m 35.18^s

−43° 11′ 08.8″

5.42

−1.58

817

M2III

slow irregular variable

HD 167096

167096

89507

18^h 15^m 53.39^s

−44° 12′ 23.4″

5.45

0.87

268

G8/K0III

η¹ CrA

η¹

173715

92308

18^h 48^m 50.47^s

−43° 40′ 48.0″

5.46

0.33

347

A2Vn

V692 CrA

V692

166596

89290

18^h 13^m 12.70^s

−41° 20′ 09.9″

5.47

−3.06

1655

B2.5III

SX Ari variable, ΔV = 0.05^m, P = 1.67 d

η² CrA

η²

173861

92382

18^h 49^m 35.00^s

−43° 26′ 02.5″

5.60

−0.75

607

B9IV

HD 169853

169853

90541

18^h 28^m 27.11^s

−38° 59′ 44.1″

5.63

−0.29

498

A2m...

κ² CrA

κ²

170868

90968

18^h 33^m 23.13^s

−38° 43′ 33.4″

5.67

−2.94

1716

B9.5

HD 170521

170521

90842

18^h 31^m 56.22^s

−43° 30′ 26.5″

5.71

−2.20

1244

K2III

V701 CrA

V701

176723

93552

19^h 03^m 17.69^s

−38° 15′ 11.5″

5.73

1.68

211

F2III/IV

δ Sct variable, V_max = 5.69^m, V_min = 5.73^m

HD 166114

166114

89099

18^h 11^m 05.54^s

−41° 21′ 32.5″

5.86

1.28

269

F0Vn

suspected variable

HD 178322

178322

94157

19^h 09^m 57.65^s

−41° 53′ 32.0″

5.86

−1.14

817

B5V

suspected variable

HD 179433

179433

94556

19^h 14^m 39.52^s

−45° 11′ 36.4″

5.91

1.12

296

G8III

HD 170384

170384

90759

18^h 31^m 02.95^s

−41° 54′ 49.5″

6.02

1.55

255

A3V

HD 177565

177565

93858

19^h 06^m 52.60^s

−37° 48′ 35.2″

6.15

4.98

56

G8V

has a planet (b)

HD 176425

176425

93470

19^h 02^m 08.50^s

−41° 54′ 37.7″

6.21

1.04

352

A0V

HD 170773

170773

90936

18^h 33^m 00.85^s

−39° 53′ 30.6″

6.22

3.43

118

F5V

HD 175395

175395

93049

18^h 57^m 14.31^s

−43° 55′ 01.0″

6.27

−0.43

712

B9V

HD 175529

175529

93074

18^h 57^m 34.39^s

−39° 49′ 23.8″

6.29

2.34

201

A5IV/V

HD 167756

167756

89726

18^h 18^m 40.15^s

−42° 17′ 18.2″

6.30

B0.5Ia

suspected variable, ΔV = 0.03^m

κ¹ CrA

κ¹

170867

90969

18^h 33^m 23.08^s

−38° 43′ 12.0″

6.31

0.43

489

B8

HD 178628

178628

94243

19^h 11^m 01.91^s

−39° 00′ 16.9″

6.34

−3.19

2629

B7II/III

HD 169943

169943

90597

18^h 29^m 12.87^s

−43° 50′ 45.6″

6.36

0.38

512

G8III

HD 176270

176270

93371

19^h 01^m 04.30^s

−37° 03′ 41.4″

6.44

2.00

252

B9.5IV:

HD 178254

178254

94130

19^h 09^m 39.76^s

−39° 49′ 37.9″

6.44

1.29

350

K0III

HD 168357

168357

89920

18^h 20^m 55.19^s

−37° 29′ 15.5″

6.46

−2.76

2280

K2II

HD 174407

174407

92608

18^h 52^m 11.95^s

−41° 42′ 32.8″

6.47

−0.13

682

K3III

HD 175093

175093

92866

18^h 55^m 23.55^s

−37° 23′ 11.8″

6.48

0.91

424

K1III

HD 175855

175855

93209

18^h 59^m 10.97^s

−39° 32′ 04.7″

6.49

0.62

486

B9.5V

HD 174152

174152

92487

18^h 50^m 58.65^s

−41° 03′ 45.6″

6.50

−2.18

1772

B5III

V693 CrA

V693

18^h 41^m 57.8^s

−37° 31′ 14″

6.50

nova, V_max = 6.5^m, V_min = <19.0^m

V394 CrA

V394

18^h 00^m 25.97^s

−39° 00′ 35.1″

7.50

recurrent nova and eclipsing binary, V_max = 7.2^m, V_min = 19.7^m, P = 1.515682 d

HD 166473

V694

166473

18^h 12^m 25.83^s

−37° 45′ 09.2″

7.92

A5p

rapidly oscillating Ap star and α² CVn variable

HD 166724

166724

89354

18^h 14^m 00^s

−42° 34′ 31″

9.31

138

K0IV

has a planet (b)

TY CrA

TY

19^h 01^m 40.83^s

−36° 52′ 33.9″

9.39

B8e

Orion and Algol variable, V_max = 9.39^m, V_min = 9.81^m, P = 2.8877912 d

V CrA

V

173539

92207

18^h 47^m 32.31^s

−38° 09′ 32.3″

9.40

R...

R Coronae Borealis variable, V_max = 9.4^m, V_min = 17.9^m

S CrA

S

19^h 01^m 08.60^s

−36° 57′ 20.0″

10.49

G0Ve+K0Ve

Orion variable in nebula, V_max = 10.49^m, V_min = 13.2^m

R CrA

R

93449

19^h 01^m 53.65^s

−36° 57′ 07.6″

11.50

79.64

A5IIev

Orion variable in nebula

T CrA

T

19^h 01^m 58.78^s

−36° 57′ 49.9″

11.67

F0e

Orion variable in nebula, V_max = 11.67^m, V_min = 14.3^m

2A 1822-371

V691

18^h 25^m 46.81^s

−37° 06′ 18.6″

15.10

Low-mass X-ray binary (pulsar) and eclipsing binary

RX J1856.5-3754

18^h 56^m 35.11^s

−37° 54′ 30.5″

25.7

400

closest known neutron star to Earth; possible quark star

Y CrA

Y

166813

18^h 14^m 22.95^s

−42° 50′ 32.4″

M6

Z Andromedae variable

RU CrA

RU

180206

19^h 17^m 23.46^s

−39° 36′ 46.40″

[WC3/4]

slow irregular variable; central star of planetary nebula IC 1297

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 2006-12-26.
Kostjuk, N. D. (2002). "HD-DM-GC-HR-HIP-Bayer-Flamsteed Cross Index" . Retrieved 2006-12-26.
Roman, N. G. (1987). "Identification of a Constellation from a Position" . Retrieved 2006-12-26.
"SIMBAD Astronomical Database". Centre de Données astronomiques de Strasbourg. Retrieved 2007-01-02.
Gould, B. A. "Uranometria Argentina". Reprinted and updated by Pilcher, F. Archived from the original on 2012-02-27. Retrieved 2010-07-19.
"AAVSO Website". American Association of Variable Star Observers. Retrieved 9 March 2014.

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List of stars in Corona Australis

See also

References