This is the list of notable stars in the constellation Serpens, sorted by decreasing brightness.
Name B F G.Cap = Caput, Cau = Cauda Var HD HIP RA Dec vis.mag. abs.mag. Dist. (ly) Sp. class Notes α Ser α 24 21 Cap140573 77070 2.63 0.87 73 K2III Unukalhai, Unukalhay, Unuk al Hay, Unuk Elhai, Unuk, Cor Serpentis η Ser η 58 34 Cau168723 89962 3.23 1.84 62 K0III-IV Donghai, Tung HaeStar Name - R.H. Allen p. 374 μ Ser μ 32 27 Cap141513 77516 3.54 0.14 156 A0V Tiānrǔ (天乳) AEEA (Activities of Exhibition and Education in Astronomy) 天文教育資訊網 2006 年 6 月 29 日 ξ Ser ξ 55 8 Cau159876 86263 3.54 0.99 105 F0IIIp Nanhai, Nan Hae β Ser β 28 141003 77233 3.65 0.29 153 A3V ZhouIAU-Catalog of Star Names ε Ser ε 37 29 Cap141795 77622 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 5.20 3.62 36 F6V MuningIAU-Catalog of Star Names, Ainalhai, Zheng, Ching κ Ser κ 35 141477 77450 4.09 −1.05 348 M1III Gudja δ Ser A δ 13 138917 76276 3.80 −0.24 210 F0IV quadruple star; Delta Scuti-type variable star ο Ser ο 56 11 Cau 160613 86565 4.24 0.68 168 A2Va Delta Scuti-type variable star ν Ser ν 53 1 Cau156928 84880 4.32 0.45 193 A0/A1V λ Ser λ 27 25 Cap141004 77257 4.42 4.07 38 G0Vvar ι Ser ι 21 140159 76852 4.51 0.66 192 A1V ζ Ser ζ 57 17 Cau164259 88175 4.62 2.79 76 F3V θ1 Ser θ1 63 71 Cau 175638 92946 4.62 1.59 132 A5V Alya, Alga, Dzaneb al Haiyet, Cauda SerpentisE.B Knobel - On a catalogue of stars in the Calendarium of Al Achsasi Al Mouakket ρ Ser ρ 38 141992 77661 4.74 −0.68 395 K5III π Ser π 44 143894 78554 4.82 1.15 177 A3V σ Ser σ 50 49 Cap 147449 80179 4.82 2.64 89 F0V θ2 Ser θ2 63 72 Cau 175639 92951 4.98 1.77 143 A5Vn 5 Ser 5 9 Cap MQ 136202 74975 5.04 3.08 81 F8III-IV MQ Ser; BY Draconis variable b Ser b 36 30 Cap 141851 77660 5.09 1.65 159 A3Vn 10 Ser 10 13 Cap 137898 75761 5.15 2.28 122 A8IV τ1 Ser τ1 9 137471 75530 5.16 −2.09 918 M1III R Ser R 141850 77615 5.20 930 Mira variable d Ser B d 59 169986 5.20 d Ser d 59 41 Cau 169985 90441 5.20 −0.63 479 G0III+... δ Ser B δ 13 138918 4.20 210 F0IV ω Ser ω 34 28 Cap 141680 77578 5.21 0.68 263 G8III has a planet (b) 16 Ser 16 139195 76425 5.26 0.97 235 K0p 3 Ser 3 2 Cap 135482 74649 5.32 −0.46 467 K0III χ Ser χ 20 140160 76866 5.34 1.11 228 A0p Sr α2 CVn-type variable star 6 Ser 6 11 Cap 136514 75119 5.35 0.98 244 K3III c Ser c 60 45 Cau 170474 90642 5.38 1.08 236 K0III A2 Ser A2 25 24 Cap PT 140873 77227 5.39 −0.10 408 B8III PT Ser 43 G. Ser Cap 43 Cap 145206 79195 5.39 −0.51 494 K4III 32 G. Ser Cau 32 Cau 168415 89851 5.39 −0.41 470 K3III QY Ser QY 142574 77902 5.45 −0.88 601 M0III A1 Ser A1 11 15 Cap 138562 76133 5.50 0.91 270 K0III φ Ser φ 142980 78132 5.54 1.33 227 K1IV 6 G. Ser Cau 6 Cau 159358 86019 5.54 0.23 377 B8Vn 64 Ser 64 74 Cau 175869 93051 5.56 −2.08 1101 B9IIIp... 22 G. Ser Cap 22 Cap 140775 77163 5.57 0.21 384 A1V 4 Ser 4 3 Cap 135559 74689 5.62 2.15 161 A4V 45 Ser gDesignated g Serpentis in Bode’s Uranographia 45 144874 79007 5.63 1.05 269 A7V 136138 74896 5.68 0.93 290 G5IV 47 Ser 47 39 Cap FS 145002 79072 5.69 −0.52 568 M3.5IIIa FS Ser υ Ser υ 31 141187 77336 5.71 1.27 252 A3V 44 G. Ser Cau (v)Designated as v Tauri Poniatovii by Johann Bode, now usually disused 44 Cau 170200 90497 5.71 −1.07 739 B8III-IV 10 G. Ser Cau 10 Cau 160018 86313 5.74 0.16 425 K0III 20 G. Ser Cau lDesignated l Serpentis in Bode’s Uranographia 20 Cau 165438 88684 5.74 3.02 114 K1IV e Ser eOriginally f Serpentis in Bode’s Uranographia 57 Cau 171978 91322 5.76 −0.72 644 A2V τ7 Ser τ7 22 140232 76878 5.80 2.17 174 A2m 3 Her (3) 34 Cap 143553 78442 5.82 1.49 239 K0III: 66 G. Ser Cau 66 Cau 173495 92027 5.82 −0.87 709 A1V 19 G. Ser Cau 19 Cau 165402 88670 5.84 −0.37 570 B8III-IV ψ Ser ψ 23 20 Cap 140538 77052 5.86 5.03 48 G5V Triple star; solar analog 6 G. Ser Cap 6 Cap136028 74901 5.88 −1.51 979 K5III FL Ser FL 134943 74386 5.90 −1.13 830 M4III τ5 Ser τ5 18 139225 76424 5.93 2.48 160 F3V 41 G. Ser Cap tDesignated t Serpentis in Bode’s Uranographia 41 Cap 145085 79120 5.93 0.33 430 K5III 42 G. Ser Cap 42 Cap 145148 79137 5.93 3.51 99 K1+... 13 G. Ser Cau 13 Cau 161701 87074 5.93 −0.04 510 B9V 16 G. Ser Cau 16 Cau 163336 87813 5.93 1.52 249 A0V 61 Ser eDesignated e Serpentis in Bode’s Uranographia 61 48 Cau 170920 90844 5.93 −0.28 570 A4III 9 G. Ser Cau 9 Cau 159877 86266 5.94 −3.63 2672 F0IV 141353 77412 5.98 0.33 440 K2III 28 G. Ser Cau 28 Cau 167768 89587 5.99 0.97 329 G3III τ6 Ser τ6 19 140027 76810 6.00 0.30 450 G8III 137853 75674 6.01 −0.90 786 M1III 139087 76372 6.04 −0.64 706 K0III: 39 Ser rDesignated r Serpentis in Bode’s Uranographia 39 142267 77801 6.07 4.86 57 G0IV 43 Ser iDesignated i Serpentis in Bode’s Uranographia 43 35 Cap 144046 78685 6.07 0.68 389 G9III τ3 Ser τ3 15 139074 76337 6.10 0.58 414 G8III: 8 Ser 8 12 Cap 137006 75342 6.11 2.41 179 F0V NW Ser 35 Cau NW 168797 89977 6.14 −3.93 3361 B3Ve Be star 73 G. Ser Cau 73 Cau 175679 92968 6.14 0.11 523 G8III τ8 Ser τ8 26 140729 77111 6.15 1.18 321 A0V 144889 78985 6.15 −0.05 566 K4III 37 G. Ser Cau 37 Cau 169493 90253 6.15 0.54 432 F1V 14 G. Ser Cau kDesignated k Serpentis in Bode’s Uranographia 14 Cau 162757 87540 6.17 1.56 273 K1III: HD 157968 (47) 5 Cau 157968 85397 6.20 2.92 148 F7V 67 G. Ser Cau 67 Cau 173954 92254 6.20 −0.97 886 K5 142357 77835 6.21 1.48 288 F5II-III τ2 Ser τ2 12 138527 76069 6.22 0.61 431 B9V 139862 76733 6.22 −1.34 1058 G8II pDesignated p Serpentis in Bode’s Uranographia 137510 75535 6.26 3.16 136 G0V 142763 77995 6.26 −2.26 1646 B8III 38 G. Ser Cap 38 Cap 144426 78840 6.27 0.81 402 A3m 40 Ser 40 32 Cap FP 142500 77910 6.28 1.94 241 A7Vn FP Ser; Delta Scuti-type 7 Ser 7 136831 75230 6.29 0.62 445 A0V 142244 77782 6.29 0.43 485 K0 29 G. Ser Cau 29 Cau 167833 89623 6.29 0.69 430 A8V 135263 74505 6.31 1.63 282 A2V 23 G. Ser Cap 23 Cap 140815 77186 6.32 −0.07 619 K0III 21 G. Ser Cau 21 Cau 165462 88671 6.32 0.36 507 G8IIp 10 G. Ser Cap 10 Cap 136442 75101 6.34 3.50 120 K0V 27 G. Ser Cau 27 Cau 167564 89512 6.35 0.55 472 A4V 136643 75125 6.36 0.20 555 K0 12 G. Ser Cau 12 Cau 161023 86769 6.36 3.21 139 F0V 36 G. Ser Cau 36 Cau 169268 90174 6.36 2.25 216 F6III-IV 63 G. Ser Cau 63 Cau 172365 91499 6.36 −1.25 1087 F8Ib-II 138085 75810 6.38 0.45 499 G8III-IV 24 G. Ser Cau 24 Cau 166103 88981 6.38 −0.18 669 K1II MV Ser 49 Cau MV 170973 90858 6.41 −1.41 1194 A0sp... α2 CVn-type variable star 45 G. Ser Cap 45 Cap 145936 79522 6.45 1.46 324 K0 2 G. Ser Cau 2 Cau 156971 84883 6.46 3.09 154 F1III+... 4 G. Ser Cap 4 Cap 135615 74695 6.47 −1.38 1212 K0 FQ Ser 40 Cap FQ 145050 79086 6.47 0.69 468 M4III FR Ser (z)Designated as z Tauri Poniatovii by Johann Bode, now usually disused 51 Cau FR 171586 91142 6.47 1.41 335 A2pvar α2 CVn-type variable star 140438 76985 6.48 0.05 629 G5III 4 G. Ser Cau 4 Cau157969 85405 6.48 0.70 466 K0II/III 138803 76198 6.49 2.50 205 F3III 60 G. Ser Cau 60 Cau172088 91394 6.49 3.00 163 F9IV 135061 74441 6.50 −0.06 669 K2 5 G. Ser Cap 5 Cap136027 74895 6.50 0.89 432 K0 48 G. Ser Cap 48 Cap 146740 79834 6.50 0.18 598 K0 τ4 Ser τ4 17 139216 76423 6.51 0.50 520 M5II-III semiregular variable star 14 Ser 14 19 Cap 139137 76427 6.51 0.52 514 G8III+... 29 Ser 29 45 Cap 141040 77249 6.70 −0.19 780 A3 46 Ser 46 144937 79047 6.74 1.55 355 A3 HD 168443 168443 89844 6.92 4.03 124 G5IV has a planet (b) and a brown dwarf HD 136118 8 Cap 136118 74948 6.94 3.35 171 F9V has a brown dwarf companion that was formerly a candidate planet HD 142245 142245 77783 7.63 357 K0 has a planet (b) HD 168746 168746 90004 7.95 4.78 141 G5V Alasia, has a planet (b) HD 175541 175541 92895 8.03 2.49 417 G8IV Kaveh, has a planet (b) Gliese 710 168442 89825 9.66 8.26 63 K7V future encounter at 0.17 ly AO Ser AO 11.04 1.88 1,530 A2 Eclipsing binary/Delta Scuti var. HAT-P-46 11.94 965 has two transiting planets (b & c) HAT-P-45 12.79 995 has two transiting planets (b) COROT-11 12.94 4.20 ~1820 F6V has a transiting planet (b) LX Ser 13.2 Stepanian's Star; flare star CoRoT-28 13.49 1826 G8/9IV has a transiting planet (b) CoRoT-9 13.7 5.4 1500 G3V has a transiting planet (b) CoRoT-33 14.7 G9V has a transiting planet (b) CoRoT-27 15.54 G2 has a transiting planet (b) CoRoT-23 15.63 F9/G0V has a transiting planet (b)FX Serpentis18h 06m 50.14s -09 41 54.0"14M8-M9e or C6,2e-C8,3eMore likely a long Carbon star
See also List of stars by constellation
References