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List of stars in Serpens

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

Name B F G. Var HD HIP RA Dec vis.
mag. 		abs.
mag. 		Dist. (ly) Sp. class Notes
α Ser α 24 21 Cap 140573 77070 15 44 16.00 +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 21 18.92 −02° 53′ 49.6″ 3.23 1.84 62 K0III-IV Donghai, Tung Hae
μ Ser μ 32 27 Cap 141513 77516 15 49 37.27 −03° 25′ 48.5″ 3.54 0.14 156 A0V Tiānrǔ (天乳)
ξ Ser ξ 55 8 Cau 159876 86263 17 37 35.23 −15° 23′ 54.3″ 3.54 0.99 105 F0IIIp Nanhai, Nan Hae
β Ser β 28 141003 77233 15 46 11.21 +15° 25′ 18.9″ 3.65 0.29 153 A3V Chow
ε Ser ε 37 29 Cap 141795 77622 15 50 48.89 +04° 28′ 39.3″ 3.71 2.04 70 A2m Ba, Pa, component of the δ Ser system; quadruple star; Delta Scuti-type variable star
γ Ser γ 41 142860 78072 15 56 26.99 +15° 39′ 53.0″ 5.20 3.62 36 F6V Ainalhai, Zheng, Ching
κ Ser κ 35 141477 77450 15 48 44.41 +18° 08′ 30.4″ 4.09 −1.05 348 M1III Gudja
δ Ser A δ 13 138917 76276 15 34 48.19 +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 41 24.92 −12° 52′ 30.6″ 4.24 0.68 168 A2Va Delta Scuti-type variable star
ν Ser ν 53 1 Cau 156928 84880 17 20 49.64 −12° 50′ 48.8″ 4.32 0.45 193 A0/A1V
λ Ser λ 27 25 Cap 141004 77257 15 46 26.75 +07° 21′ 11.7″ 4.42 4.07 38 G0Vvar
ι Ser ι 21 140159 76852 15 41 33.09 +19° 40′ 13.8″ 4.51 0.66 192 A1V
ζ Ser ζ 57 17 Cau 164259 88175 18 00 28.92 −03° 41′ 24.6″ 4.62 2.79 76 F3V
θ Ser θ 63 71 Cau 175638 92946 18 56 13.16 +04° 12′ 12.7″ 4.62 1.59 132 A5V Alya, Alga, Dzaneb al Haiyet, Cauda Serpentis
ρ Ser ρ 38 141992 77661 15 51 15.94 +20° 58′ 40.4″ 4.74 −0.68 395 K5III
π Ser π 44 143894 78554 16 02 17.69 +22° 48′ 15.8″ 4.82 1.15 177 A3V
σ Ser σ 50 49 Cap 147449 80179 16 22 04.44 +01° 01′ 44.1″ 4.82 2.64 89 F0V
θ Ser θ 63 72 Cau 175639 92951 18 56 14.61 +04° 12′ 07.4″ 4.98 1.77 143 A5Vn
5 Ser 5 9 Cap MQ 136202 74975 15 19 18.58 +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 51 15.65 −03° 05′ 25.5″ 5.09 1.65 159 A3Vn
10 Ser 10 13 Cap 137898 75761 15 28 38.29 +01° 50′ 31.8″ 5.15 2.28 122 A8IV
τ Ser τ 9 137471 75530 15 25 47.41 +15° 25′ 41.0″ 5.16 −2.09 918 M1III
R Ser R 141850 77615 15 50 41.70 +15° 08′ 01.0″ 5.20 Mira variable
d Ser B d 59 169986 18 27 12.20 +00° 11′ 48.0″ 5.20
d Ser d 59 41 Cau 169985 90441 18 27 12.51 +00° 11′ 46.1″ 5.20 −0.63 479 G0III+...
δ Ser B δ 13 138918 15 34 48.10 +10° 32′ 21.0″ 4.20 210 F0IV
ω Ser ω 34 28 Cap 141680 77578 15 50 17.53 +02° 11′ 47.8″ 5.21 0.68 263 G8III has a planet (b)
16 Ser 16 139195 76425 15 36 29.55 +10° 00′ 37.6″ 5.26 0.97 235 K0p
3 Ser 3 2 Cap 135482 74649 15 15 11.37 +04° 56′ 21.7″ 5.32 −0.46 467 K0III
χ Ser χ 20 140160 76866 15 41 47.39 +12° 50′ 51.1″ 5.34 1.11 228 A0p Sr α CVn-type variable star
6 Ser 6 11 Cap 136514 75119 15 21 02.02 +00° 42′ 56.1″ 5.35 0.98 244 K3III
c Ser c 60 45 Cau 170474 90642 18 29 40.96 −01° 59′ 06.8″ 5.38 1.08 236 K0III
A Ser A 25 24 Cap PT 140873 77227 15 46 05.65 −01° 48′ 14.8″ 5.39 −0.10 408 B8III PT Ser
43 G. Ser Cap 43 Cap 145206 79195 16 09 50.53 −03° 28′ 00.2″ 5.39 −0.51 494 K4III
32 G. Ser Cau 32 Cau 168415 89851 18 20 08.77 −15° 49′ 53.8″ 5.39 −0.41 470 K3III
QY Ser QY 142574 77902 15 54 34.66 +20° 18′ 39.1″ 5.45 −0.88 601 M0III
A Ser A 11 15 Cap 138562 76133 15 32 57.95 −01° 11′ 10.7″ 5.50 0.91 270 K0III
φ Ser φ 142980 78132 15 57 14.64 +14° 24′ 51.4″ 5.54 1.33 227 K1IV
6 G. Ser Cau 6 Cau 159358 86019 17 34 46.35 −11° 14′ 31.2″ 5.54 0.23 377 B8Vn
64 Ser 64 74 Cau 175869 93051 18 57 16.59 +02° 32′ 07.4″ 5.56 −2.08 1101 B9IIIp...
22 G. Ser Cap 22 Cap 140775 77163 15 45 23.47 +05° 26′ 50.4″ 5.57 0.21 384 A1V
4 Ser 4 3 Cap 135559 74689 15 15 49.14 +00° 22′ 19.6″ 5.62 2.15 161 A4V
45 Ser 45 144874 79007 16 07 37.55 +09° 53′ 30.3″ 5.63 1.05 269 A7V
136138 74896 15 18 24.51 +20° 34′ 22.1″ 5.68 0.93 290 G5IV
47 Ser 47 39 Cap FS 145002 79072 16 08 28.08 +08° 32′ 03.6″ 5.69 −0.52 568 M3.5IIIa FS Ser
υ Ser υ 31 141187 77336 15 47 17.35 +14° 06′ 55.0″ 5.71 1.27 252 A3V
44 G. Ser Cau 44 Cau 170200 90497 18 27 58.77 +06° 11′ 39.0″ 5.71 −1.07 739 B8III-IV
10 G. Ser Cau 10 Cau 160018 86313 17 38 09.51 −10° 55′ 34.5″ 5.74 0.16 425 K0III
20 G. Ser Cau 20 Cau 165438 88684 18 06 15.11 −04° 45′ 04.2″ 5.74 3.02 114 K1IV
e Ser e 57 Cau 171978 91322 18 37 35.95 −00° 18′ 33.9″ 5.76 −0.72 644 A2V
τ Ser τ 22 140232 76878 15 41 54.76 +18° 27′ 50.0″ 5.80 2.17 174 A2m
3 Her (3) 34 Cap 143553 78442 16 00 51.16 +04° 25′ 37.8″ 5.82 1.49 239 K0III:
66 G. Ser Cau 66 Cau 173495 92027 18 45 28.36 +05° 30′ 00.4″ 5.82 −0.87 709 A1V
19 G. Ser Cau 19 Cau 165402 88670 18 06 07.40 −08° 19′ 26.1″ 5.84 −0.37 570 B8III-IV
ψ Ser ψ 23 20 Cap 140538 77052 15 44 01.85 +02° 30′ 55.9″ 5.86 5.03 48 G5V Triple star; solar analog
6 G. Ser Cap 6 Cap 136028 74901 15 18 26.13 −00° 27′ 40.5″ 5.88 −1.51 979 K5III
FL Ser FL 134943 74386 15 12 04.27 +18° 58′ 33.6″ 5.90 −1.13 830 M4III
τ Ser τ 18 139225 76424 15 36 29.20 +16° 07′ 08.8″ 5.93 2.48 160 F3V
41 G. Ser Cap 41 Cap 145085 79120 16 08 58.90 +03° 27′ 16.0″ 5.93 0.33 430 K5III
42 G. Ser Cap 42 Cap 145148 79137 16 09 11.06 +06° 22′ 49.8″ 5.93 3.51 99 K1+...
13 G. Ser Cau 13 Cau 161701 87074 17 47 36.79 −14° 43′ 32.8″ 5.93 −0.04 510 B9V
16 G. Ser Cau 16 Cau 163336 87813 17 56 19.04 −15° 48′ 44.5″ 5.93 1.52 249 A0V
61 Ser 61 48 Cau 170920 90844 18 31 56.99 −01° 00′ 10.7″ 5.93 −0.28 570 A4III
9 G. Ser Cau 9 Cau 159877 86266 17 37 36.20 −15° 34′ 15.7″ 5.94 −3.63 2672 F0IV
141353 77412 15 48 13.31 +13° 47′ 21.6″ 5.98 0.33 440 K2III
28 G. Ser Cau 28 Cau 167768 89587 18 16 53.09 −03° 00′ 24.3″ 5.99 0.97 329 G3III
τ Ser τ 19 140027 76810 15 40 59.09 +16° 01′ 28.7″ 6.00 0.30 450 G8III
137853 75674 15 27 38.87 +25° 06′ 06.0″ 6.01 −0.90 786 M1III
139087 76372 15 35 53.39 +11° 15′ 56.5″ 6.04 −0.64 706 K0III:
39 Ser 39 142267 77801 15 53 12.19 +13° 11′ 52.8″ 6.07 4.86 57 G0IV
43 Ser 43 35 Cap 144046 78685 16 03 45.71 +04° 59′ 12.5″ 6.07 0.68 389 G9III
τ Ser τ 15 139074 76337 15 35 33.28 +17° 39′ 20.1″ 6.10 0.58 414 G8III:
8 Ser 8 12 Cap 137006 75342 15 23 43.67 −01° 01′ 20.3″ 6.11 2.41 179 F0V
NW Ser 35 Cau NW 168797 89977 18 21 28.40 +05° 26′ 08.7″ 6.14 −3.93 3361 B3Ve Be star
73 G. Ser Cau 73 Cau 175679 92968 18 56 25.60 +02° 28′ 16.3″ 6.14 0.11 523 G8III
τ Ser τ 26 140729 77111 15 44 42.15 +17° 15′ 51.2″ 6.15 1.18 321 A0V
144889 78985 16 07 22.19 +21° 49′ 21.8″ 6.15 −0.05 566 K4III
37 G. Ser Cau 37 Cau 169493 90253 18 24 57.21 −01° 34′ 45.9″ 6.15 0.54 432 F1V
14 G. Ser Cau 14 Cau 162757 87540 17 53 03.51 −10° 53′ 58.2″ 6.17 1.56 273 K1III:
47 Oph (47) 5 Cau 157968 85397 17 27 02.12 −12° 30′ 44.4″ 6.20 2.92 148 F7V
67 G. Ser Cau 67 Cau 173954 92254 18 48 02.67 +04° 14′ 29.0″ 6.20 −0.97 886 K5
142357 77835 15 53 34.86 +16° 04′ 30.0″ 6.21 1.48 288 F5II-III
τ Ser τ 12 138527 76069 15 32 09.68 +16° 03′ 22.1″ 6.22 0.61 431 B9V
139862 76733 15 40 10.36 +12° 03′ 10.6″ 6.22 −1.34 1058 G8II
137510 75535 15 25 53.30 +19° 28′ 50.6″ 6.26 3.16 136 G0V
142763 77995 15 55 39.86 +18° 37′ 14.8″ 6.26 −2.26 1646 B8III
38 G. Ser Cap 38 Cap 144426 78840 16 05 37.93 +08° 05′ 46.5″ 6.27 0.81 402 A3m
40 Ser 40 32 Cap FP 142500 77910 15 54 40.27 +08° 34′ 49.2″ 6.28 1.94 241 A7Vn FP Ser; Delta Scuti-type
7 Ser 7 136831 75230 15 22 23.24 +12° 34′ 03.1″ 6.29 0.62 445 A0V
142244 77782 15 52 56.15 +17° 24′ 11.4″ 6.29 0.43 485 K0
29 G. Ser Cau 29 Cau 167833 89623 18 17 24.16 −09° 45′ 30.5″ 6.29 0.69 430 A8V
135263 74505 15 13 31.84 +22° 58′ 59.4″ 6.31 1.63 282 A2V
23 G. Ser Cap 23 Cap 140815 77186 15 45 39.50 +00° 53′ 27.8″ 6.32 −0.07 619 K0III
21 G. Ser Cau 21 Cau 165462 88671 18 06 07.44 −00° 26′ 46.0″ 6.32 0.36 507 G8IIp
10 G. Ser Cap 10 Cap 136442 75101 15 20 47.17 −02° 24′ 46.5″ 6.34 3.50 120 K0V
27 G. Ser Cau 27 Cau 167564 89512 18 15 57.93 −03° 37′ 04.7″ 6.35 0.55 472 A4V
136643 75125 15 21 06.90 +24° 57′ 29.0″ 6.36 0.20 555 K0
12 G. Ser Cau 12 Cau 161023 86769 17 43 48.45 −13° 30′ 30.3″ 6.36 3.21 139 F0V
36 G. Ser Cau 36 Cau 169268 90174 18 24 03.60 −03° 34′ 58.9″ 6.36 2.25 216 F6III-IV
63 G. Ser Cau 63 Cau 172365 91499 18 39 36.88 +05° 15′ 51.4″ 6.36 −1.25 1087 F8Ib-II
138085 75810 15 29 12.14 +16° 23′ 43.7″ 6.38 0.45 499 G8III-IV
24 G. Ser Cau 24 Cau 166103 88981 18 09 43.37 −13° 56′ 03.9″ 6.38 −0.18 669 K1II
MV Ser 49 Cau MV 170973 90858 18 32 06.88 +03° 39′ 34.5″ 6.41 −1.41 1194 A0sp... α CVn-type variable star
45 G. Ser Cap 45 Cap 145936 79522 16 13 38.63 −01° 28′ 30.5″ 6.45 1.46 324 K0
2 G. Ser Cau 2 Cau 156971 84883 17 20 52.60 −10° 41′ 46.9″ 6.46 3.09 154 F1III+...
4 G. Ser Cap 4 Cap 135615 74695 15 15 53.57 +06° 27′ 53.6″ 6.47 −1.38 1212 K0
FQ Ser 40 Cap FQ 145050 79086 16 08 36.53 +08° 36′ 47.7″ 6.47 0.69 468 M4III
FR Ser 51 Cau FR 171586 91142 18 35 36.48 +04° 56′ 09.8″ 6.47 1.41 335 A2pvar α CVn-type variable star
140438 76985 15 43 10.54 +13° 40′ 03.9″ 6.48 0.05 629 G5III
4 G. Ser Cau 4 Cau 157969 85405 17 27 09.89 −15° 51′ 12.0″ 6.48 0.70 466 K0II/III
138803 76198 15 33 52.74 +17° 08′ 14.9″ 6.49 2.50 205 F3III
60 G. Ser Cau 60 Cau 172088 91394 18 38 23.80 −03° 11′ 37.4″ 6.49 3.00 163 F9IV
135061 74441 15 12 47.19 +10° 42′ 08.9″ 6.50 −0.06 669 K2
5 G. Ser Cap 5 Cap 136027 74895 15 18 22.62 +00° 56′ 22.0″ 6.50 0.89 432 K0
48 G. Ser Cap 48 Cap 146740 79834 16 17 43.37 +01° 29′ 48.2″ 6.50 0.18 598 K0
τ Ser τ 17 139216 76423 15 36 28.19 +15° 06′ 05.0″ 6.51 0.50 520 M5II-III semiregular variable star
14 Ser 14 19 Cap 139137 76427 15 36 33.72 −00° 33′ 41.3″ 6.51 0.52 514 G8III+...
29 Ser 29 45 Cap 141040 77249 15 46 24.02 +15° 31′ 36.1″ 6.70 −0.19 780 A3
46 Ser 46 144937 79047 16 08 05.73 +10° 04′ 49.8″ 6.74 1.55 355 A3
HD 168443 168443 89844 18 20 03.93 −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 18 55.47 −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 52 56 +15° 25′ 51″ 7.63 357 K0 has a planet (b)
HD 168746 168746 90004 18 21 49.78 −11° 55′ 21.7″ 7.95 4.78 141 G5V Alasia, has a planet (b)
HD 175541 175541 92895 18 55 40.88 +04° 15′ 55.2″ 8.03 2.49 417 G8IV Kaveh, has a planet (b)
Gliese 710 168442 89825 18 19 50.84 −01° 56′ 19.0″ 9.66 8.26 63 K7V future encounter at 0.17 ly
AO Ser AO 15 58 18.41 +17° 16′ 10.0″ 11.04 1.88 1,530 A2 Eclipsing binary/Delta Scuti var.
HAT-P-46 18 01 47.0 −02° 58′ 15″ 11.94 965 has two transiting planets (b & c)
HAT-P-45 18 17 30.0 −03° 22′ 52″ 12.79 995 has two transiting planets (b)
COROT-11 18 42 44.95 +05° 56′ 15.7″ 12.94 4.20 ~1820 F6V has a transiting planet (b)
LX Ser 15 35 44 +19° 01′ 30″ 13.2 Stepanian's Star; flare star
COROT-28 18 34 45.0 +05° 34′ 26″ 13.49 1826 G8/9IV has a transiting planet (b)
COROT-9 18 43 09.18 +06° 12′ 14.9″ 13.7 5.4 1500 G3V has a transiting planet (b)
COROT-33 18 38 34.0 +05° 37′ 29″ 14.7 G9V has a transiting planet (b)
COROT-27 18 33 59.0 +05° 32′ 19″ 15.54 G2 has a transiting planet (b)
COROT-23 18 39 08 +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 mv), 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

See also

References

  1. Cap = Caput, Cau = Cauda
  2. ^ 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
  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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