List of stars in Serpens

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

G.^[1]

Var

HD

Dist. (ly)

Notes

α

24

21 Cap

140573

77070

15^h 44^m 16.00^s

+06° 25′ 31.9″

2.63

0.87

73

K2III

Unukalhai, Unukalhay, Unuk al Hay, Unuk Elhai, Unuk, Cor Serpentis

η Ser

η

58

34 Cau

168723

89962

18^h 21^m 18.92^s

−02° 53′ 49.6″

3.23

1.84

62

K0III-IV

Donghai, Tung Hae^[2]

μ Ser

μ

32

27 Cap

141513

77516

15^h 49^m 37.27^s

−03° 25′ 48.5″

3.54

0.14

156

A0V

Tiānrǔ (天乳)^[3]

ξ Ser

ξ

55

8 Cau

159876

86263

17^h 37^m 35.23^s

−15° 23′ 54.3″

3.54

0.99

105

F0IIIp

Nanhai, Nan Hae^[2]

β Ser

β

28

141003

77233

15^h 46^m 11.21^s

+15° 25′ 18.9″

3.65

0.29

153

A3V

Chow

ε Ser

ε

37

29 Cap

141795

77622

15^h 50^m 48.89^s

+04° 28′ 39.3″

3.71

2.04

70

A2m

Ba, Pa,^[2] component of the δ Ser system; quadruple star; Delta Scuti-type variable star

γ Ser

γ

41

142860

78072

15^h 56^m 26.99^s

+15° 39′ 53.0″

5.20

3.62

36

F6V

Ainalhai, Zheng, Ching^[2]

κ Ser

κ

35

141477

77450

15^h 48^m 44.41^s

+18° 08′ 30.4″

4.09

−1.05

348

M1III

Gudja^[4]

δ Ser A

δ

13

138917

76276

15^h 34^m 48.19^s

+10° 32′ 19.9″

3.80

−0.24

210

F0IV

quadruple star; Delta Scuti-type variable star

ο Ser

ο

56

11 Cau

160613

86565

17^h 41^m 24.92^s

−12° 52′ 30.6″

4.24

0.68

168

A2Va

Delta Scuti-type variable star

ν Ser

ν

53

1 Cau

156928

84880

17^h 20^m 49.64^s

−12° 50′ 48.8″

4.32

0.45

193

A0/A1V

λ Ser

λ

27

25 Cap

141004

77257

15^h 46^m 26.75^s

+07° 21′ 11.7″

4.42

4.07

38

G0Vvar

ι Ser

ι

21

140159

76852

15^h 41^m 33.09^s

+19° 40′ 13.8″

4.51

0.66

192

A1V

ζ Ser

ζ

57

17 Cau

164259

88175

18^h 00^m 28.92^s

−03° 41′ 24.6″

4.62

2.79

76

F3V

θ¹ Ser

θ¹

63

71 Cau

175638

92946

18^h 56^m 13.16^s

+04° 12′ 12.7″

4.62

1.59

132

A5V

Alya, Alga, Dzaneb al Haiyet, Cauda Serpentis^[5]

ρ Ser

ρ

38

141992

77661

15^h 51^m 15.94^s

+20° 58′ 40.4″

4.74

−0.68

395

K5III

π Ser

π

44

143894

78554

16^h 02^m 17.69^s

+22° 48′ 15.8″

4.82

1.15

177

A3V

σ Ser

σ

50

49 Cap

147449

80179

16^h 22^m 04.44^s

+01° 01′ 44.1″

4.82

2.64

89

F0V

θ² Ser

θ²

63

72 Cau

175639

92951

18^h 56^m 14.61^s

+04° 12′ 07.4″

4.98

1.77

143

A5Vn

5 Ser

5

9 Cap

MQ

136202

74975

15^h 19^m 18.58^s

+01° 46′ 00.0″

5.04

3.08

81

F8III-IV

MQ Ser; BY Draconis variable

b Ser

b

36

30 Cap

141851

77660

15^h 51^m 15.65^s

−03° 05′ 25.5″

5.09

1.65

159

A3Vn

10 Ser

10

13 Cap

137898

75761

15^h 28^m 38.29^s

+01° 50′ 31.8″

5.15

2.28

122

A8IV

τ¹ Ser

τ¹

9

137471

75530

15^h 25^m 47.41^s

+15° 25′ 41.0″

5.16

−2.09

918

M1III

R Ser

R

141850

77615

15^h 50^m 41.70^s

+15° 08′ 01.0″

5.20

Mira variable

d Ser B

d

59

169986

18^h 27^m 12.20^s

+00° 11′ 48.0″

5.20

d Ser

d

59

41 Cau

169985

90441

18^h 27^m 12.51^s

+00° 11′ 46.1″

5.20

−0.63

479

G0III+...

δ Ser B

δ

13

138918

15^h 34^m 48.10^s

+10° 32′ 21.0″

4.20

210

F0IV

ω Ser

ω

34

28 Cap

141680

77578

15^h 50^m 17.53^s

+02° 11′ 47.8″

5.21

0.68

263

G8III

has a planet (b)

16 Ser

16

139195

76425

15^h 36^m 29.55^s

+10° 00′ 37.6″

5.26

0.97

235

K0p

3 Ser

3

2 Cap

135482

74649

15^h 15^m 11.37^s

+04° 56′ 21.7″

5.32

−0.46

467

K0III

χ Ser

χ

20

140160

76866

15^h 41^m 47.39^s

+12° 50′ 51.1″

5.34

1.11

228

A0p Sr

α² CVn-type variable star

6 Ser

6

11 Cap

136514

75119

15^h 21^m 02.02^s

+00° 42′ 56.1″

5.35

0.98

244

K3III

c Ser

c

60

45 Cau

170474

90642

18^h 29^m 40.96^s

−01° 59′ 06.8″

5.38

1.08

236

K0III

A² Ser

A²

25

24 Cap

PT

140873

77227

15^h 46^m 05.65^s

−01° 48′ 14.8″

5.39

−0.10

408

B8III

PT Ser

43 G. Ser Cap

43 Cap

145206

79195

16^h 09^m 50.53^s

−03° 28′ 00.2″

5.39

−0.51

494

K4III

32 G. Ser Cau

32 Cau

168415

89851

18^h 20^m 08.77^s

−15° 49′ 53.8″

5.39

−0.41

470

K3III

QY Ser

QY

142574

77902

15^h 54^m 34.66^s

+20° 18′ 39.1″

5.45

−0.88

601

M0III

A¹ Ser

A¹

11

15 Cap

138562

76133

15^h 32^m 57.95^s

−01° 11′ 10.7″

5.50

0.91

270

K0III

φ Ser

φ

142980

78132

15^h 57^m 14.64^s

+14° 24′ 51.4″

5.54

1.33

227

K1IV

6 G. Ser Cau

6 Cau

159358

86019

17^h 34^m 46.35^s

−11° 14′ 31.2″

5.54

0.23

377

B8Vn

64 Ser

64

74 Cau

175869

93051

18^h 57^m 16.59^s

+02° 32′ 07.4″

5.56

−2.08

1101

B9IIIp...

22 G. Ser Cap

22 Cap

140775

77163

15^h 45^m 23.47^s

+05° 26′ 50.4″

5.57

0.21

384

A1V

4 Ser

4

3 Cap

135559

74689

15^h 15^m 49.14^s

+00° 22′ 19.6″

5.62

2.15

161

A4V

45 Ser

45

144874

79007

16^h 07^m 37.55^s

+09° 53′ 30.3″

5.63

1.05

269

A7V

136138

74896

15^h 18^m 24.51^s

+20° 34′ 22.1″

5.68

0.93

290

G5IV

47 Ser

47

39 Cap

FS

145002

79072

16^h 08^m 28.08^s

+08° 32′ 03.6″

5.69

−0.52

568

M3.5IIIa

FS Ser

υ Ser

υ

31

141187

77336

15^h 47^m 17.35^s

+14° 06′ 55.0″

5.71

1.27

252

A3V

44 G. Ser Cau

44 Cau

170200

90497

18^h 27^m 58.77^s

+06° 11′ 39.0″

5.71

−1.07

739

B8III-IV

10 G. Ser Cau

10 Cau

160018

86313

17^h 38^m 09.51^s

−10° 55′ 34.5″

5.74

0.16

425

K0III

20 G. Ser Cau

20 Cau

165438

88684

18^h 06^m 15.11^s

−04° 45′ 04.2″

5.74

3.02

114

K1IV

e Ser

e

57 Cau

171978

91322

18^h 37^m 35.95^s

−00° 18′ 33.9″

5.76

−0.72

644

A2V

τ⁷ Ser

τ⁷

22

140232

76878

15^h 41^m 54.76^s

+18° 27′ 50.0″

5.80

2.17

174

A2m

3 Her

(3)

34 Cap

143553

78442

16^h 00^m 51.16^s

+04° 25′ 37.8″

5.82

1.49

239

K0III:

66 G. Ser Cau

66 Cau

173495

92027

18^h 45^m 28.36^s

+05° 30′ 00.4″

5.82

−0.87

709

A1V

19 G. Ser Cau

19 Cau

165402

88670

18^h 06^m 07.40^s

−08° 19′ 26.1″

5.84

−0.37

570

B8III-IV

ψ Ser

ψ

23

20 Cap

140538

77052

15^h 44^m 01.85^s

+02° 30′ 55.9″

5.86

5.03

48

G5V

Triple star; solar analog

6 G. Ser Cap

6 Cap

136028

74901

15^h 18^m 26.13^s

−00° 27′ 40.5″

5.88

−1.51

979

K5III

FL Ser

FL

134943

74386

15^h 12^m 04.27^s

+18° 58′ 33.6″

5.90

−1.13

830

M4III

τ⁵ Ser

τ⁵

18

139225

76424

15^h 36^m 29.20^s

+16° 07′ 08.8″

5.93

2.48

160

F3V

41 G. Ser Cap

41 Cap

145085

79120

16^h 08^m 58.90^s

+03° 27′ 16.0″

5.93

0.33

430

K5III

42 G. Ser Cap

42 Cap

145148

79137

16^h 09^m 11.06^s

+06° 22′ 49.8″

5.93

3.51

99

K1+...

13 G. Ser Cau

13 Cau

161701

87074

17^h 47^m 36.79^s

−14° 43′ 32.8″

5.93

−0.04

510

B9V

16 G. Ser Cau

16 Cau

163336

87813

17^h 56^m 19.04^s

−15° 48′ 44.5″

5.93

1.52

249

A0V

61 Ser

61

48 Cau

170920

90844

18^h 31^m 56.99^s

−01° 00′ 10.7″

5.93

−0.28

570

A4III

9 G. Ser Cau

9 Cau

159877

86266

17^h 37^m 36.20^s

−15° 34′ 15.7″

5.94

−3.63

2672

F0IV

141353

77412

15^h 48^m 13.31^s

+13° 47′ 21.6″

5.98

0.33

440

K2III

28 G. Ser Cau

28 Cau

167768

89587

18^h 16^m 53.09^s

−03° 00′ 24.3″

5.99

0.97

329

G3III

τ⁶ Ser

τ⁶

19

140027

76810

15^h 40^m 59.09^s

+16° 01′ 28.7″

6.00

0.30

450

G8III

137853

75674

15^h 27^m 38.87^s

+25° 06′ 06.0″

6.01

−0.90

786

M1III

139087

76372

15^h 35^m 53.39^s

+11° 15′ 56.5″

6.04

−0.64

706

K0III:

39 Ser

39

142267

77801

15^h 53^m 12.19^s

+13° 11′ 52.8″

6.07

4.86

57

G0IV

43 Ser

43

35 Cap

144046

78685

16^h 03^m 45.71^s

+04° 59′ 12.5″

6.07

0.68

389

G9III

τ³ Ser

τ³

15

139074

76337

15^h 35^m 33.28^s

+17° 39′ 20.1″

6.10

0.58

414

G8III:

8 Ser

8

12 Cap

137006

75342

15^h 23^m 43.67^s

−01° 01′ 20.3″

6.11

2.41

179

F0V

NW Ser

35 Cau

NW

168797

89977

18^h 21^m 28.40^s

+05° 26′ 08.7″

6.14

−3.93

3361

B3Ve

Be star

73 G. Ser Cau

73 Cau

175679

92968

18^h 56^m 25.60^s

+02° 28′ 16.3″

6.14

0.11

523

G8III

τ⁸ Ser

τ⁸

26

140729

77111

15^h 44^m 42.15^s

+17° 15′ 51.2″

6.15

1.18

321

A0V

144889

78985

16^h 07^m 22.19^s

+21° 49′ 21.8″

6.15

−0.05

566

K4III

37 G. Ser Cau

37 Cau

169493

90253

18^h 24^m 57.21^s

−01° 34′ 45.9″

6.15

0.54

432

F1V

14 G. Ser Cau

14 Cau

162757

87540

17^h 53^m 03.51^s

−10° 53′ 58.2″

6.17

1.56

273

K1III:

47 Oph

(47)^[6]

5 Cau

157968

85397

17^h 27^m 02.12^s

−12° 30′ 44.4″

6.20

2.92

148

F7V

67 G. Ser Cau

67 Cau

173954

92254

18^h 48^m 02.67^s

+04° 14′ 29.0″

6.20

−0.97

886

K5

142357

77835

15^h 53^m 34.86^s

+16° 04′ 30.0″

6.21

1.48

288

F5II-III

τ² Ser

τ²

12

138527

76069

15^h 32^m 09.68^s

+16° 03′ 22.1″

6.22

0.61

431

B9V

139862

76733

15^h 40^m 10.36^s

+12° 03′ 10.6″

6.22

−1.34

1058

G8II

137510

75535

15^h 25^m 53.30^s

+19° 28′ 50.6″

6.26

3.16

136

G0V

142763

77995

15^h 55^m 39.86^s

+18° 37′ 14.8″

6.26

−2.26

1646

B8III

38 G. Ser Cap

38 Cap

144426

78840

16^h 05^m 37.93^s

+08° 05′ 46.5″

6.27

0.81

402

A3m

40 Ser

40

32 Cap

FP

142500

77910

15^h 54^m 40.27^s

+08° 34′ 49.2″

6.28

1.94

241

A7Vn

FP Ser; Delta Scuti-type

7 Ser

7

136831

75230

15^h 22^m 23.24^s

+12° 34′ 03.1″

6.29

0.62

445

A0V

142244

77782

15^h 52^m 56.15^s

+17° 24′ 11.4″

6.29

0.43

485

K0

29 G. Ser Cau

29 Cau

167833

89623

18^h 17^m 24.16^s

−09° 45′ 30.5″

6.29

0.69

430

A8V

135263

74505

15^h 13^m 31.84^s

+22° 58′ 59.4″

6.31

1.63

282

A2V

23 G. Ser Cap

23 Cap

140815

77186

15^h 45^m 39.50^s

+00° 53′ 27.8″

6.32

−0.07

619

K0III

21 G. Ser Cau

21 Cau

165462

88671

18^h 06^m 07.44^s

−00° 26′ 46.0″

6.32

0.36

507

G8IIp

10 G. Ser Cap

10 Cap

136442

75101

15^h 20^m 47.17^s

−02° 24′ 46.5″

6.34

3.50

120

K0V

27 G. Ser Cau

27 Cau

167564

89512

18^h 15^m 57.93^s

−03° 37′ 04.7″

6.35

0.55

472

A4V

136643

75125

15^h 21^m 06.90^s

+24° 57′ 29.0″

6.36

0.20

555

K0

12 G. Ser Cau

12 Cau

161023

86769

17^h 43^m 48.45^s

−13° 30′ 30.3″

6.36

3.21

139

F0V

36 G. Ser Cau

36 Cau

169268

90174

18^h 24^m 03.60^s

−03° 34′ 58.9″

6.36

2.25

216

F6III-IV

63 G. Ser Cau

63 Cau

172365

91499

18^h 39^m 36.88^s

+05° 15′ 51.4″

6.36

−1.25

1087

F8Ib-II

138085

75810

15^h 29^m 12.14^s

+16° 23′ 43.7″

6.38

0.45

499

G8III-IV

24 G. Ser Cau

24 Cau

166103

88981

18^h 09^m 43.37^s

−13° 56′ 03.9″

6.38

−0.18

669

K1II

MV Ser

49 Cau

MV

170973

90858

18^h 32^m 06.88^s

+03° 39′ 34.5″

6.41

−1.41

1194

A0sp...

α² CVn-type variable star

45 G. Ser Cap

45 Cap

145936

79522

16^h 13^m 38.63^s

−01° 28′ 30.5″

6.45

1.46

324

K0

2 G. Ser Cau

2 Cau

156971

84883

17^h 20^m 52.60^s

−10° 41′ 46.9″

6.46

3.09

154

F1III+...

4 G. Ser Cap

4 Cap

135615

74695

15^h 15^m 53.57^s

+06° 27′ 53.6″

6.47

−1.38

1212

K0

FQ Ser

40 Cap

FQ

145050

79086

16^h 08^m 36.53^s

+08° 36′ 47.7″

6.47

0.69

468

M4III

FR Ser

51 Cau

FR

171586

91142

18^h 35^m 36.48^s

+04° 56′ 09.8″

6.47

1.41

335

A2pvar

α² CVn-type variable star

140438

76985

15^h 43^m 10.54^s

+13° 40′ 03.9″

6.48

0.05

629

G5III

4 G. Ser Cau

4 Cau

157969

85405

17^h 27^m 09.89^s

−15° 51′ 12.0″

6.48

0.70

466

K0II/III

138803

76198

15^h 33^m 52.74^s

+17° 08′ 14.9″

6.49

2.50

205

F3III

60 G. Ser Cau

60 Cau

172088

91394

18^h 38^m 23.80^s

−03° 11′ 37.4″

6.49

3.00

163

F9IV

135061

74441

15^h 12^m 47.19^s

+10° 42′ 08.9″

6.50

−0.06

669

K2

5 G. Ser Cap

5 Cap

136027

74895

15^h 18^m 22.62^s

+00° 56′ 22.0″

6.50

0.89

432

K0

48 G. Ser Cap

48 Cap

146740

79834

16^h 17^m 43.37^s

+01° 29′ 48.2″

6.50

0.18

598

K0

τ⁴ Ser

τ⁴

17

139216

76423

15^h 36^m 28.19^s

+15° 06′ 05.0″

6.51

0.50

520

M5II-III

semiregular variable star

14 Ser

14

19 Cap

139137

76427

15^h 36^m 33.72^s

−00° 33′ 41.3″

6.51

0.52

514

G8III+...

29 Ser

29

45 Cap

141040

77249

15^h 46^m 24.02^s

+15° 31′ 36.1″

6.70

−0.19

780

A3

46 Ser

46

144937

79047

16^h 08^m 05.73^s

+10° 04′ 49.8″

6.74

1.55

355

A3

HD 168443

168443

89844

18^h 20^m 03.93^s

−09° 35′ 44.6″

6.92

4.03

124

G5IV

has a planet (b) and a brown dwarf

HD 136118

8 Cap

136118

74948

15^h 18^m 55.47^s

−01° 35′ 32.6″

6.94

3.35

171

F9V

has a brown dwarf companion that was formerly a candidate planet

HD 142245

142245

77783

15^h 52^m 56^s

+15° 25′ 51″

7.63

357

K0

has a planet (b)

HD 168746

168746

90004

18^h 21^m 49.78^s

−11° 55′ 21.7″

7.95

4.78

141

G5V

Alasia,^[7] has a planet (b)

HD 175541

175541

92895

18^h 55^m 40.88^s

+04° 15′ 55.2″

8.03

2.49

417

G8IV

Kaveh,^[8] has a planet (b)

Gliese 710

168442

89825

18^h 19^m 50.84^s

−01° 56′ 19.0″

9.66

8.26

63

K7V

future encounter at 0.17 ly

AO Ser

AO

15^h 58^m 18.41^s

+17° 16′ 10.0″

11.04

1.88

1,530

A2

Eclipsing binary/Delta Scuti var.

HAT-P-46

18^h 01^m 47.0^s

−02° 58′ 15″

11.94

965

has two transiting planets (b & c)

HAT-P-45

18^h 17^m 30.0^s

−03° 22′ 52″

12.79

995

has two transiting planets (b)

COROT-11

18^h 42^m 44.95^s

+05° 56′ 15.7″

12.94

4.20

~1820

F6V

has a transiting planet (b)

LX Ser

15^h 35^m 44^s

+19° 01′ 30″

13.2

Stepanian's Star; flare star

COROT-28

18^h 34^m 45.0^s

+05° 34′ 26″

13.49

1826

G8/9IV

has a transiting planet (b)

COROT-9

18^h 43^m 09.18^s

+06° 12′ 14.9″

13.7

5.4

1500

G3V

has a transiting planet (b)

COROT-33

18^h 38^m 34.0^s

+05° 37′ 29″

14.7

G9V

has a transiting planet (b)

COROT-27

18^h 33^m 59.0^s

+05° 32′ 19″

15.54

G2

has a transiting planet (b)

COROT-23

18^h 39^m 08^s

+04° 21′ 28″

15.63

F9/G0V

has a transiting planet (b)

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.
Gould, B. A. "Uranometria Argentina". Reprinted and updated by Pilcher, F. Archived from the original on 2012-02-27. Retrieved 2010-07-16.

↑ Cap = Caput, Cau = Cauda
1 2 3 4 Star Name - R.H. Allen p. 374
↑ (in Chinese) AEEA (Activities of Exhibition and Education in Astronomy) 天文教育資訊網 2006 年 6 月 29 日
↑ "IAU Catalog of Star Names". International Astronomical Union. Retrieved 2018-09-17.
↑ E.B Knobel - On a catalogue of stars in the Calendarium of Al Achsasi Al Mouakket
↑ Although SIMBAD and other sources report 47 Ophiuchi as being a 4th-magnitude star in Ophiuchus, this is an error.
↑ "Cyprus". NameExoWorlds. Retrieved 2020-03-10.
↑ "Iran". NameExoWorlds. Retrieved 2020-03-10.

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[1] Cap = Caput, Cau = Cauda

[sb0-2] 1 2 3 4 Star Name - R.H. Allen p. 374

[3] (in Chinese) AEEA (Activities of Exhibition and Education in Astronomy) 天文教育資訊網 2006 年 6 月 29 日

[IAU-CSN-4] "IAU Catalog of Star Names". International Astronomical Union. Retrieved 2018-09-17.

[5] E.B Knobel - On a catalogue of stars in the Calendarium of Al Achsasi Al Mouakket

[6] Although SIMBAD and other sources report 47 Ophiuchi as being a 4th-magnitude star in Ophiuchus, this is an error.

[7] "Cyprus". NameExoWorlds. Retrieved 2020-03-10.

[8] "Iran". NameExoWorlds. Retrieved 2020-03-10.

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See also

References