List of stars in Boötes

This is the list of notable stars in the constellation Boötes, sorted by decreasing brightness. The genitive for stars in this constellation is Boötis and the IAU abbreviation is Boo. Hence, η Boo is Eta Boötis.

Name B F G. Var HD HIP RA Dec vis.mag. abs.mag. Dist. (ly) Sp. class Notes Arcturus α 16 124897 69673 −0.05 −0.31 37 K2IIIp Alramech, Al Simak Al Ramih, Al Simak Lanceator;E.B Knobel – On a catalogue of stars in the Calendarium of Al Achsasi Al Mouakket 3rd brightest star, variable ε Boo ε 36 129989 72105 2.37 −1.61 236 K0 II-III Izar (A), Mirak, Pulcherrima (B)IAU-Catalog of Star Names binary star η Boo η 8 121370 67927 2.68 2.41 37 G0IV Muphrid, Ramih al Ramih, Lancea Lanceator γ Boo γ 27 127762 71075 3.04 0.96 85 A7IIIvar Seginus, Menkib al Aoua al Aisr, Humerus Sinister Latratoris; δ Sct variable, δ Boo δ 49 135722 74666 3.46 0.69 117 G8III QigongIAU-Catalog of Star Names, Princeps. β Boo β 42 133208 73555 3.49 −0.64 219 G8III Nekkar, Meres ρ Boo ρ 25 127665 71053 3.57 0.27 149 K3III KalasungsangIAU-Catalog of Star Names ζ Boo ζ 30 129246 71795 3.78 0.06 180 A3IVn double star θ Boo θ 23 126660 70497 4.04 3.22 48 F7V Asellus PrimusStar Name – R.H.Allen p.105 υ Boo υ 5 120477 67459 4.05 −0.33 245 K5IIIvar λ Boo λ 19 125162 69732 4.18 1.81 97 A0sh Xuángē (玄戈) AEEA (Activities of Exhibition and Education in Astronomy) 天文教育資訊網 2006 年 6 月 14 日 μ1 Boo μ1 51 137391 75411 4.31 1.46 121 F0V Alkalurops; double star ζ Boo ζ 30 129247 4.43 σ Boo σ 28 128167 71284 4.47 3.52 50 F3Vwvar GengheIAU-Catalog of Star Names π1 Boo π1 29 129174 71762 4.49 −0.45 317 B9p MnHg Alazal; binary star τ Boo τ 4 120136 67275 4.50 3.53 51 F7V TepiamenitIAU-Catalog of Star Names, has a planet (b) ψ Boo ψ 43 133582 73745 4.52 0.10 250 K2III κ2 Boo κ2 17 124675 69483 4.53 1.14 155 A8IV Asellus Tertius; binary star; δ Sct variable, ξ Boo ξ 37 131156 72659 4.54 5.41 22 G8V + K4V BY Dra variable, ο Boo ο 35 129972 72125 4.60 0.40 225 K0III ι Boo ι 21 125161 69713 4.75 2.38 97 A9V Asellus Secundus; binary star, triple star; δ Sct variable, HD 125351 A 125351 69879 4.80 0.63 223 K1III spectroscopic binary W Boo 34 129712 71995 4.80 −2.38 888 M3III AlrumhIAU-Catalog of Star Names, semiregular variable, ω Boo ω 41 133124 73568 4.80 −0.41 359 K4III 12 Boo d 12 123999 69226 4.82 2.00 120 F9IVw 44 Boo i 44 133640 73695 4.83 4.30 42 G2V + G2V Quadrans,IAU-Catalog of Star Names W UMa variable, 20 Boo 20 125560 70027 4.84 1.01 190 K3III HD 126128 126128 70327 4.86 0.76 215 A0V forms a triple star with HD 126129 31 Boo 31 6 129312 71832 4.86 −1.38 576 G8IIIvar 6 Boo e 6 120539 67480 4.92 −0.34 368 K4III 45 Boo c 45 134083 73996 4.93 3.46 64 F5V ν2 Boo ν2 53 138629 76041 4.98 −0.62 430 A5V 9 Boo 9 121710 68103 5.02 −1.47 648 K3IIIvar ν1 Boo ν1 52 138481 75973 5.04 −2.10 872 K5III HD 126129 3 126129 5.04 +0.5 215 A0V forms a triple star with HD 126128BY Boo BY 123657 69038 5.13 −0.64 465 M4.5:III irregular variable, 134190 73909 5.24 0.73 260 G8III φ Boo φ 54 139641 76534 5.25 1.76 163 G8III-IV Ceginus CF Boo 13 CF 123782 69068 5.26 −0.90 556 M2III irregular variable, χ Boo χ 48 135502 74596 5.28 1.07 226 A2V 15 Boo 15 124679 69612 5.29 0.82 255 K1III 50 Boo 50 136849 75178 5.38 0.98 247 B9Vn 33 Boo 33 129002 71618 5.39 1.49 197 A1V 22 Boo f 22 126661 70602 5.40 0.68 286 F0m 18 Boo 18 125451 69989 5.41 3.33 85 F5IV 137704 75572 5.46 −0.42 489 K4III 131111 72582 5.47 1.53 200 K0III-IV BP Boo BP 140728 76957 5.48 0.54 317 B9p... α2 CVn variable, 133392 73634 5.52 0.89 275 G8III: 14 Boo 14 124570 69536 5.53 2.92 108 F6IV 32 Boo 32 129336 71837 5.55 0.19 385 G8III 137071 75257 5.56 −3.99 2650 K4III HD 118889 118889 66640 5.57 1.93 175 F0V 24 Boo g 24 127243 70791 5.58 0.70 308 G3IV has a planet (b) 47 Boo k 47 133962 73841 5.59 1.08 260 A1V 2 Boo 2 119126 66763 5.63 0.66 322 G9III 132254 73100 5.63 3.65 81 F7V 40 Boo 40 132772 73369 5.64 2.13 164 F1III-IV 136729 75043 5.65 1.58 213 A4V 46 Boo b 46 134320 74087 5.67 0.12 420 K2III 39 Boo 39 131041 72524 5.68 1.44 229 F6V+... 7 Boo 7 121107 67787 5.71 −0.90 683 G5III 118508 66417 5.72 −0.23 505 M2III 129846 72012 5.72 −1.21 793 K4III 132146 73166 5.72 −0.67 617 G5III: 1 Boo 1 119055 66727 5.73 0.89 303 A1V CH Boo CH 128333 71280 5.74 −1.16 782 M1III irregular variable, 128902 71568 5.74 −1.99 1144 K2III 10 Boo 10 121996 68276 5.76 −0.08 480 A0Vs 38 Boo h 38 130945 72487 5.76 2.41 153 F7IVw Merga 139798 76568 5.76 2.99 117 F2V EK Boo EK 130144 72208 5.78 −1.44 908 M5III irregular variable, 130917 72552 5.80 1.02 295 A4V 134335 74096 5.82 −0.15 510 K1III 128998 71573 5.83 0.24 428 A1V CY Boo CY 125180 69829 5.84 −1.62 1012 M3III = 101 Vir; semiregular variable, 139906 76594 5.84 0.54 374 G8III HP Boo HP 130948 72567 5.86 4.59 58 G2V BY Draconis variable, π2 Boo π2 29 129175 5.88 component of the π Boo system 128750 71571 5.90 0.64 367 K2III: 131951 73087 5.90 −0.22 547 A0V 26 Boo 26 127739 71115 5.91 2.35 168 F2IV 129153 71759 5.93 2.30 173 F0V 4 G. Boo 4 126200 70384 5.94 0.58 384 A3V Algol variable 3 Boo 3 120064 67239 5.97 1.36 272 F6IV-V CN Boo CN 124953 5.98 A8III δ Sct variable, 1 G. Boo 1 122365 68498 5.98 1.25 288 A2V 135438 74561 5.98 −0.29 585 K5 127726 71094 6.00 1.74 232 A7Vn DE Boo DE 131511 72848 6.00 5.69 38 K2V RS CVn variable, 121980 68279 6.01 −0.05 531 K5III 128198 71277 6.02 −0.19 568 K5III 134064 74000 6.03 1.66 244 A3V 127304 70892 6.06 0.91 349 A0Vs 137390 75369 6.07 0.22 482 K2III 120934 67714 6.10 1.11 325 A1V 119584 66992 6.12 −0.63 731 K4III 132029 73068 6.12 1.21 313 A2V 135530 74571 6.12 −1.32 1003 M2III 129132 71729 6.13 1.01 344 G0V 124186 69316 6.14 0.79 383 K4III 136751 75093 6.14 2.49 175 F4IVs 130025 72139 6.15 0.24 495 K0 130603 72412 6.15 1.61 264 F2V 130817 72469 6.15 3.09 134 F2V 138213 75770 6.15 0.32 479 Amvar... 119288 66860 6.16 3.39 117 F3Vp 174 G. Vir in Boötes 121560 68030 6.16 4.24 79 F6V 134323 74121 6.16 −0.10 582 G6V: HD 122563 122563 68594 6.18 −0.94 867 F8IV extremely metal-poor giant 125349 69818 6.19 1.15 331 A2IV 5 G. Boo 5 126271 70414 6.19 0.95 363 K4III 135402 74514 6.19 0.54 439 K2III: 126141 70310 6.22 3.46 116 F5V 127065 70762 6.22 −1.07 937 K0III 11 Boo 11 122405 68478 6.23 1.14 340 A7III 124755 69569 6.23 2.98 146 K3III: 2 G. Boo 2 122744 68687 6.25 0.64 432 G9III 125040 69751 6.25 3.71 105 F8V 122742 68682 6.27 5.17 54 G8V 130084 72124 6.27 −1.11 976 M1III 126597 70517 6.28 −0.13 625 K2III: 132879 73464 6.29 −1.19 1022 K0 125406 69862 6.32 2.07 231 F5 128093 71243 6.32 3.20 137 F5V 125642 70029 6.33 0.65 447 A2V 134493 74083 6.33 0.77 423 K0III BX Boo BX 133029 73454 6.35 0.53 477 B9p SiSrCr α2 CVn variable, 134044 73941 6.35 4.00 96 F8V 122443 68516 6.36 −4.98 6037 G5 127334 70873 6.36 4.50 77 G5V 124713 69592 6.38 2.53 192 A7V 125111 69735 6.38 2.96 157 F2IV 126307 70385 6.39 −1.89 1475 K4III 127986 71168 6.39 2.07 238 F8IVw 128402 71406 6.39 1.08 377 K0 129430 71857 6.40 0.58 475 G8III 131473 72846 6.41 2.96 160 F6III 119784 67104 6.42 1.14 371 K2 RX Boo RX 126327 70401 6.43 500 M7.5e semiregular variable, 124678 69585 6.45 0.51 502 K2 125658 70051 6.45 1.76 283 A5III 118839 66594 6.46 −0.31 738 K3III 125632 69958 6.47 1.42 334 A5Vn 135944 74690 6.47 2.56 197 G5 118660 66522 6.49 2.21 234 A9Vs 131040 72508 6.49 2.93 168 F5IV 125076 69704 6.50 1.00 410 K0 CI Boo CI 126009 70236 6.50 −0.19 709 MIII irregular variable, 132145 73156 6.50 0.83 444 A1V μ2 Boo μ2 51 137392 75415 6.51 3.65 122 G1V component of the μ Boo system κ1 Boo κ1 17 124674 69481 6.62 2.73 196 F1V component of the κ Boo system HD 141399 141399 77301 7.2 4.41 118 K0V has four planets (b, c, d & e) HD 128311 128311 71395 7.48 6.38 54 K0V has two planets (b & c) HD 136418 136418 74961 7.88 2.74 347 G5III Nikawiy; has a planet (b) HD 131496 131496 72845 7.96 2.75 359 K0 Arcalís, has a planet (b) HD 132406 132406 73146 8.45 4.19 231 G0V has a planet (b) HD 132563 B 132563 9.47 4.56 313 has a planet (HD 132563 B b) WASP-14 9.745 3.725 521.6 F5V has a transiting planet WASP-14b BD+36°2593 11.2 3.6 1010 F has a transiting planet HAT-P-4b R Boo R 128609 71490 11.70 3.16 1664 M4e Mira variable, CR Boo CR 15.00 1150 AM CVn variable LHS 2924 19.35 19.15 35.84 M9V one of the dimmest and least massive stars known

Notes

See also List of stars by constellation

References