This is the list of notable stars in the constellation Serpens, sorted by decreasing brightness.
Notes
α
24
21 Cap
140573
77070
15h44m 16.00s
+06° 25′ 31.9″
2.63
0.87
73
K2III
Unukalhai, Unukalhay, Unuk al Hay, Unuk Elhai, Unuk, Cor Serpentis
η
58
34 Cau
168723
89962
18h21m 18.92s
−02° 53′ 49.6″
3.23
1.84
62
K0III-IV
Donghai, Tung Hae[2]
μ
32
27 Cap
141513
77516
15h49m 37.27s
−03° 25′ 48.5″
3.54
0.14
156
A0V
Tiānrǔ (天乳)[3]
ξ
55
8 Cau
159876
86263
17h37m 35.23s
−15° 23′ 54.3″
3.54
0.99
105
F0IIIp
Nanhai, Nan Hae[2]
β
28
141003
77233
15h46m 11.21s
+15° 25′ 18.9″
3.65
0.29
153
A3V
Chow
ε
37
29 Cap
141795
77622
15h50m 48.89s
+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
41
142860
78072
15h56m 26.99s
+15° 39′ 53.0″
5.20
3.62
36
F6V
Ainalhai, Zheng, Ching[2]
κ
35
141477
77450
15h48m 44.41s
+18° 08′ 30.4″
4.09
−1.05
348
M1III
Gudja[4]
δ
13
138917
76276
15h34m 48.19s
+10° 32′ 19.9″
3.80
−0.24
210
F0IV
quadruple star; Delta Scuti-type variable star
ο
56
11 Cau
160613
86565
17h41m 24.92s
−12° 52′ 30.6″
4.24
0.68
168
A2Va
Delta Scuti-type variable star
ν
53
1 Cau
156928
84880
17h20m 49.64s
−12° 50′ 48.8″
4.32
0.45
193
A0/A1V
λ
27
25 Cap
141004
77257
15h46m 26.75s
+07° 21′ 11.7″
4.42
4.07
38
G0Vvar
ι
21
140159
76852
15h41m 33.09s
+19° 40′ 13.8″
4.51
0.66
192
A1V
ζ
57
17 Cau
164259
88175
18h00m 28.92s
−03° 41′ 24.6″
4.62
2.79
76
F3V
θ1
63
71 Cau
175638
92946
18h56m 13.16s
+04° 12′ 12.7″
4.62
1.59
132
A5V
Alya, Alga, Dzaneb al Haiyet, Cauda Serpentis[5]
ρ
38
141992
77661
15h51m 15.94s
+20° 58′ 40.4″
4.74
−0.68
395
K5III
π
44
143894
78554
16h02m 17.69s
+22° 48′ 15.8″
4.82
1.15
177
A3V
σ
50
49 Cap
147449
80179
16h22m 04.44s
+01° 01′ 44.1″
4.82
2.64
89
F0V
θ2
63
72 Cau
175639
92951
18h56m 14.61s
+04° 12′ 07.4″
4.98
1.77
143
A5Vn
5
9 Cap
MQ
136202
74975
15h19m 18.58s
+01° 46′ 00.0″
5.04
3.08
81
F8III-IV
MQ Ser; BY Draconis variable
b
36
30 Cap
141851
77660
15h51m 15.65s
−03° 05′ 25.5″
5.09
1.65
159
A3Vn
10
13 Cap
137898
75761
15h28m 38.29s
+01° 50′ 31.8″
5.15
2.28
122
A8IV
τ1
9
137471
75530
15h25m 47.41s
+15° 25′ 41.0″
5.16
−2.09
918
M1III
R
141850
77615
15h50m 41.70s
+15° 08′ 01.0″
5.20
d
59
169986
18h27m 12.20s
+00° 11′ 48.0″
5.20
d
59
41 Cau
169985
90441
18h27m 12.51s
+00° 11′ 46.1″
5.20
−0.63
479
G0III+...
δ
13
138918
15h34m 48.10s
+10° 32′ 21.0″
4.20
210
F0IV
ω
34
28 Cap
141680
77578
15h50m 17.53s
+02° 11′ 47.8″
5.21
0.68
263
G8III
has a planet (b)
16
139195
76425
15h36m 29.55s
+10° 00′ 37.6″
5.26
0.97
235
K0p
3
2 Cap
135482
74649
15h15m 11.37s
+04° 56′ 21.7″
5.32
−0.46
467
K0III
χ
20
140160
76866
15h41m 47.39s
+12° 50′ 51.1″
5.34
1.11
228
A0p Sr
α2 CVn-type variable star
6
11 Cap
136514
75119
15h21m 02.02s
+00° 42′ 56.1″
5.35
0.98
244
K3III
c
60
45 Cau
170474
90642
18h29m 40.96s
−01° 59′ 06.8″
5.38
1.08
236
K0III
A2
25
24 Cap
PT
140873
77227
15h46m 05.65s
−01° 48′ 14.8″
5.39
−0.10
408
B8III
PT Ser
43 G. Ser Cap
43 Cap
145206
79195
16h09m 50.53s
−03° 28′ 00.2″
5.39
−0.51
494
K4III
32 G. Ser Cau
32 Cau
168415
89851
18h20m 08.77s
−15° 49′ 53.8″
5.39
−0.41
470
K3III
QY
142574
77902
15h54m 34.66s
+20° 18′ 39.1″
5.45
−0.88
601
M0III
A1
11
15 Cap
138562
76133
15h32m 57.95s
−01° 11′ 10.7″
5.50
0.91
270
K0III
φ
142980
78132
15h57m 14.64s
+14° 24′ 51.4″
5.54
1.33
227
K1IV
6 G. Ser Cau
6 Cau
159358
86019
17h34m 46.35s
−11° 14′ 31.2″
5.54
0.23
377
B8Vn
64
74 Cau
175869
93051
18h57m 16.59s
+02° 32′ 07.4″
5.56
−2.08
1101
B9IIIp...
22 G. Ser Cap
22 Cap
140775
77163
15h45m 23.47s
+05° 26′ 50.4″
5.57
0.21
384
A1V
4 Ser
4
3 Cap
135559
74689
15h15m 49.14s
+00° 22′ 19.6″
5.62
2.15
161
A4V
45 Ser
45
144874
79007
16h07m 37.55s
+09° 53′ 30.3″
5.63
1.05
269
A7V
136138
74896
15h18m 24.51s
+20° 34′ 22.1″
5.68
0.93
290
G5IV
47 Ser
47
39 Cap
FS
145002
79072
16h08m 28.08s
+08° 32′ 03.6″
5.69
−0.52
568
M3.5IIIa
FS Ser
υ
31
141187
77336
15h47m 17.35s
+14° 06′ 55.0″
5.71
1.27
252
A3V
44 G. Ser Cau
44 Cau
170200
90497
18h27m 58.77s
+06° 11′ 39.0″
5.71
−1.07
739
B8III-IV
10 G. Ser Cau
10 Cau
160018
86313
17h38m 09.51s
−10° 55′ 34.5″
5.74
0.16
425
K0III
20 G. Ser Cau
20 Cau
165438
88684
18h06m 15.11s
−04° 45′ 04.2″
5.74
3.02
114
K1IV
e
57 Cau
171978
91322
18h37m 35.95s
−00° 18′ 33.9″
5.76
−0.72
644
A2V
τ7
22
140232
76878
15h41m 54.76s
+18° 27′ 50.0″
5.80
2.17
174
A2m
(3)
34 Cap
143553
78442
16h00m 51.16s
+04° 25′ 37.8″
5.82
1.49
239
K0III:
66 G. Ser Cau
66 Cau
173495
92027
18h45m 28.36s
+05° 30′ 00.4″
5.82
−0.87
709
A1V
19 G. Ser Cau
19 Cau
165402
88670
18h06m 07.40s
−08° 19′ 26.1″
5.84
−0.37
570
B8III-IV
ψ
23
20 Cap
140538
77052
15h44m 01.85s
+02° 30′ 55.9″
5.86
5.03
48
G5V
Triple star; solar analog
6 G. Ser Cap
6 Cap
136028
74901
15h18m 26.13s
−00° 27′ 40.5″
5.88
−1.51
979
K5III
FL
134943
74386
15h12m 04.27s
+18° 58′ 33.6″
5.90
−1.13
830
M4III
τ5
18
139225
76424
15h36m 29.20s
+16° 07′ 08.8″
5.93
2.48
160
F3V
41 G. Ser Cap
41 Cap
145085
79120
16h08m 58.90s
+03° 27′ 16.0″
5.93
0.33
430
K5III
42 G. Ser Cap
42 Cap
145148
79137
16h09m 11.06s
+06° 22′ 49.8″
5.93
3.51
99
K1+...
13 G. Ser Cau
13 Cau
161701
87074
17h47m 36.79s
−14° 43′ 32.8″
5.93
−0.04
510
B9V
16 G. Ser Cau
16 Cau
163336
87813
17h56m 19.04s
−15° 48′ 44.5″
5.93
1.52
249
A0V
61
48 Cau
170920
90844
18h31m 56.99s
−01° 00′ 10.7″
5.93
−0.28
570
A4III
9 G. Ser Cau
9 Cau
159877
86266
17h37m 36.20s
−15° 34′ 15.7″
5.94
−3.63
2672
F0IV
141353
77412
15h48m 13.31s
+13° 47′ 21.6″
5.98
0.33
440
K2III
28 G. Ser Cau
28 Cau
167768
89587
18h16m 53.09s
−03° 00′ 24.3″
5.99
0.97
329
G3III
τ6
19
140027
76810
15h40m 59.09s
+16° 01′ 28.7″
6.00
0.30
450
G8III
137853
75674
15h27m 38.87s
+25° 06′ 06.0″
6.01
−0.90
786
M1III
139087
76372
15h35m 53.39s
+11° 15′ 56.5″
6.04
−0.64
706
K0III:
39 Ser
39
142267
77801
15h53m 12.19s
+13° 11′ 52.8″
6.07
4.86
57
G0IV
43 Ser
43
35 Cap
144046
78685
16h03m 45.71s
+04° 59′ 12.5″
6.07
0.68
389
G9III
τ3
15
139074
76337
15h35m 33.28s
+17° 39′ 20.1″
6.10
0.58
414
G8III:
8 Ser
8
12 Cap
137006
75342
15h23m 43.67s
−01° 01′ 20.3″
6.11
2.41
179
F0V
35 Cau
NW
168797
89977
18h21m 28.40s
+05° 26′ 08.7″
6.14
−3.93
3361
B3Ve
73 G. Ser Cau
73 Cau
175679
92968
18h56m 25.60s
+02° 28′ 16.3″
6.14
0.11
523
G8III
τ8
26
140729
77111
15h44m 42.15s
+17° 15′ 51.2″
6.15
1.18
321
A0V
144889
78985
16h07m 22.19s
+21° 49′ 21.8″
6.15
−0.05
566
K4III
37 G. Ser Cau
37 Cau
169493
90253
18h24m 57.21s
−01° 34′ 45.9″
6.15
0.54
432
F1V
14 G. Ser Cau
14 Cau
162757
87540
17h53m 03.51s
−10° 53′ 58.2″
6.17
1.56
273
K1III:
(47)[6]
5 Cau
157968
85397
17h27m 02.12s
−12° 30′ 44.4″
6.20
2.92
148
F7V
67 G. Ser Cau
67 Cau
173954
92254
18h48m 02.67s
+04° 14′ 29.0″
6.20
−0.97
886
K5
142357
77835
15h53m 34.86s
+16° 04′ 30.0″
6.21
1.48
288
F5II-III
τ2
12
138527
76069
15h32m 09.68s
+16° 03′ 22.1″
6.22
0.61
431
B9V
139862
76733
15h40m 10.36s
+12° 03′ 10.6″
6.22
−1.34
1058
G8II
137510
75535
15h25m 53.30s
+19° 28′ 50.6″
6.26
3.16
136
G0V
142763
77995
15h55m 39.86s
+18° 37′ 14.8″
6.26
−2.26
1646
B8III
38 G. Ser Cap
38 Cap
144426
78840
16h05m 37.93s
+08° 05′ 46.5″
6.27
0.81
402
A3m
40 Ser
40
32 Cap
FP
142500
77910
15h54m 40.27s
+08° 34′ 49.2″
6.28
1.94
241
A7Vn
FP Ser; Delta Scuti-type
7
136831
75230
15h22m 23.24s
+12° 34′ 03.1″
6.29
0.62
445
A0V
142244
77782
15h52m 56.15s
+17° 24′ 11.4″
6.29
0.43
485
K0
29 G. Ser Cau
29 Cau
167833
89623
18h17m 24.16s
−09° 45′ 30.5″
6.29
0.69
430
A8V
135263
74505
15h13m 31.84s
+22° 58′ 59.4″
6.31
1.63
282
A2V
23 G. Ser Cap
23 Cap
140815
77186
15h45m 39.50s
+00° 53′ 27.8″
6.32
−0.07
619
K0III
21 G. Ser Cau
21 Cau
165462
88671
18h06m 07.44s
−00° 26′ 46.0″
6.32
0.36
507
G8IIp
10 G. Ser Cap
10 Cap
136442
75101
15h20m 47.17s
−02° 24′ 46.5″
6.34
3.50
120
K0V
27 G. Ser Cau
27 Cau
167564
89512
18h15m 57.93s
−03° 37′ 04.7″
6.35
0.55
472
A4V
136643
75125
15h21m 06.90s
+24° 57′ 29.0″
6.36
0.20
555
K0
12 G. Ser Cau
12 Cau
161023
86769
17h43m 48.45s
−13° 30′ 30.3″
6.36
3.21
139
F0V
36 G. Ser Cau
36 Cau
169268
90174
18h24m 03.60s
−03° 34′ 58.9″
6.36
2.25
216
F6III-IV
63 G. Ser Cau
63 Cau
172365
91499
18h39m 36.88s
+05° 15′ 51.4″
6.36
−1.25
1087
F8Ib-II
138085
75810
15h29m 12.14s
+16° 23′ 43.7″
6.38
0.45
499
G8III-IV
24 G. Ser Cau
24 Cau
166103
88981
18h09m 43.37s
−13° 56′ 03.9″
6.38
−0.18
669
K1II
49 Cau
MV
170973
90858
18h32m 06.88s
+03° 39′ 34.5″
6.41
−1.41
1194
A0sp...
α2 CVn-type variable star
45 G. Ser Cap
45 Cap
145936
79522
16h13m 38.63s
−01° 28′ 30.5″
6.45
1.46
324
K0
2 G. Ser Cau
2 Cau
156971
84883
17h20m 52.60s
−10° 41′ 46.9″
6.46
3.09
154
F1III+...
4 G. Ser Cap
4 Cap
135615
74695
15h15m 53.57s
+06° 27′ 53.6″
6.47
−1.38
1212
K0
40 Cap
FQ
145050
79086
16h08m 36.53s
+08° 36′ 47.7″
6.47
0.69
468
M4III
51 Cau
FR
171586
91142
18h35m 36.48s
+04° 56′ 09.8″
6.47
1.41
335
A2pvar
α2 CVn-type variable star
140438
76985
15h43m 10.54s
+13° 40′ 03.9″
6.48
0.05
629
G5III
4 G. Ser Cau
4 Cau
157969
85405
17h27m 09.89s
−15° 51′ 12.0″
6.48
0.70
466
K0II/III
138803
76198
15h33m 52.74s
+17° 08′ 14.9″
6.49
2.50
205
F3III
60 G. Ser Cau
60 Cau
172088
91394
18h38m 23.80s
−03° 11′ 37.4″
6.49
3.00
163
F9IV
135061
74441
15h12m 47.19s
+10° 42′ 08.9″
6.50
−0.06
669
K2
5 G. Ser Cap
5 Cap
136027
74895
15h18m 22.62s
+00° 56′ 22.0″
6.50
0.89
432
K0
48 G. Ser Cap
48 Cap
146740
79834
16h17m 43.37s
+01° 29′ 48.2″
6.50
0.18
598
K0
τ4
17
139216
76423
15h36m 28.19s
+15° 06′ 05.0″
6.51
0.50
520
M5II-III
semiregular variable star
14 Ser
14
19 Cap
139137
76427
15h36m 33.72s
−00° 33′ 41.3″
6.51
0.52
514
G8III+...
29 Ser
29
45 Cap
141040
77249
15h46m 24.02s
+15° 31′ 36.1″
6.70
−0.19
780
A3
46
144937
79047
16h08m 05.73s
+10° 04′ 49.8″
6.74
1.55
355
A3
168443
89844
18h20m 03.93s
−09° 35′ 44.6″
6.92
4.03
124
G5IV
has a planet (b) and a brown dwarf
8 Cap
136118
74948
15h18m 55.47s
−01° 35′ 32.6″
6.94
3.35
171
F9V
has a brown dwarf companion that was formerly a candidate planet
142245
77783
15h52m56s
+15° 25′ 51″
7.63
357
K0
has a planet (b)
168746
90004
18h21m 49.78s
−11° 55′ 21.7″
7.95
4.78
141
G5V
175541
92895
18h55m 40.88s
+04° 15′ 55.2″
8.03
2.49
417
G8IV
168442
89825
18h19m 50.84s
−01° 56′ 19.0″
9.66
8.26
63
K7V
future encounter at 0.17 ly
AO
15h58m 18.41s
+17° 16′ 10.0″
11.04
1.88
1,530
A2
Eclipsing binary/Delta Scuti var.
18h01m 47.0s
−02° 58′ 15″
11.94
965
has two transiting planets (b & c)
18h17m 30.0s
−03° 22′ 52″
12.79
995
has two transiting planets (b)
18h42m 44.95s
+05° 56′ 15.7″
12.94
4.20
~1820
F6V
has a transiting planet (b)
LX Ser
15h35m44s
+19° 01′ 30″
13.2
Stepanian's Star; flare star
18h34m 45.0s
+05° 34′ 26″
13.49
1826
G8/9IV
has a transiting planet (b)
18h43m 09.18s
+06° 12′ 14.9″
13.7
5.4
1500
G3V
has a transiting planet (b)
18h38m 34.0s
+05° 37′ 29″
14.7
G9V
has a transiting planet (b)
18h33m 59.0s
+05° 32′ 19″
15.54
G2
has a transiting planet (b)
18h39m08s
+04° 21′ 28″
15.63
F9/G0V
has a transiting planet (b)
• Name = Proper name
• B = Bayer designation
• F or/and G. = Flamsteed designationorGould 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 (mormv), also known as apparent magnitude
• abs. mag. = absolute magnitude (Mv)
• 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.]
Other
Other
Other