List of stars in Boötes explained

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.

NameBFG.VarHIPRADecvis.
mag.		abs.
mag.		Dist. (ly)Sp. classNotes
α 16 124897 69673 −0.05 −0.31 37 K2IIIp Alramech, Al Simak Al Ramih, Al Simak Lanceator;[1] 3rd brightest star, variable
ε 36 129989 72105 2.37 −1.61 236 K0 II-III Izar, Mirak, Pulcherrima; binary star
η 8 121370 67927 2.68 2.41 37 G0IV Muphrid, Ramih al Ramih, Lancea Lanceator
γ 27 127762 71075 3.04 0.96 85 A7IIIvar Seginus, Menkib al Aoua al Aisr, Humerus Sinister Latratoris; δ Sct variable,
δ 49 135722 74666 3.46 0.69 117 G8III Princeps.[2]
β 42 133208 73555 3.49 −0.64 219 G8III Nekkar, Meres
ρ 25 127665 71053 3.57 0.27 149 K3III
ζ 30 129246 71795 3.78 0.06 180 A3IVn double star
θ 23 126660 70497 4.04 3.22 48 F7V Asellus Primus[3]
υ 5 120477 67459 4.05 −0.33 245 K5IIIvar
λ 19 125162 69732 4.18 1.81 97 A0sh Xuángē (玄戈)[4]
μ1 51 137391 75411 4.31 1.46 121 F0V Alkalurops; double star
ζ 30 129247 4.43
σ 28 128167 71284 4.47 3.52 50 F3Vwvar
π1 29 129174 71762 4.49 −0.45 317 B9p MnHg Alazal; binary star
τ 4 120136 67275 4.50 3.53 51 F7V has a planet (b)
ψ 43 133582 73745 4.52 0.10 250 K2III
κ2 17 124675 69483 4.53 1.14 155 A8IV Asellus Tertius; binary star; δ Sct variable,
ξ 37 131156 72659 4.54 5.41 22 G8V + K4V BY Dra variable,
ο 35 129972 72125 4.60 0.40 225 K0III
ι 21 125161 69713 4.75 2.38 97 A9V Asellus Secundus; binary star, triple star; δ Sct variable,
A 125351 69879 4.80 0.63 223 K1III spectroscopic binary
34 129712 71995 4.80 −2.38 888 M3III semiregular variable,
ω 41 133124 73568 4.80 −0.41 359 K4III
d 12 123999 69226 4.82 2.00 120 F9IVw
i 44 133640 73695 4.83 4.30 42 G2V + G2V W UMa variable,
20 125560 70027 4.84 1.01 190 K3III
126128 70327 4.86 0.76 215 A0V
31 6 129312 71832 4.86 −1.38 576 G8IIIvar
e 6 120539 67480 4.92 −0.34 368 K4III
c 45 134083 73996 4.93 3.46 64 F5V
ν2 53 138629 76041 4.98 −0.62 430 A5V
9 121710 68103 5.02 −1.47 648 K3IIIvar
ν1 52 138481 75973 5.04 −2.10 872 K5III
BY 123657 69038 5.13 −0.64 465 M4.5:III irregular variable,
134190 73909 5.24 0.73 260 G8III
φ 54 139641 76534 5.25 1.76 163 G8III-IV Ceginus
13 CF 123782 69068 5.26 −0.90 556 M2III irregular variable,
χ 48 135502 74596 5.28 1.07 226 A2V
15 124679 69612 5.29 0.82 255 K1III
50 136849 75178 5.38 0.98 247 B9Vn
33 129002 71618 5.39 1.49 197 A1V
f 22 126661 70602 5.40 0.68 286 F0m
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 140728 76957 5.48 0.54 317 B9p... α2 CVn variable,
133392 73634 5.52 0.89 275 G8III:
14 124570 69536 5.53 2.92 108 F6IV
32 129336 71837 5.55 0.19 385 G8III
137071 75257 5.56 −3.99 2650 K4III
HD 118889118889 66640 5.57 1.93 175 F0V
g 24 127243 70791 5.58 0.70 308 G3IV has a planet (b)
k 47 133962 73841 5.59 1.08 260 A1V
2 119126 66763 5.63 0.66 322 G9III
132254 73100 5.63 3.65 81 F7V
40 132772 73369 5.64 2.13 164 F1III-IV
136729 75043 5.65 1.58 213 A4V
b 46 134320 74087 5.67 0.12 420 K2III
39 131041 72524 5.68 1.44 229 F6V+...
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 119055 66727 5.73 0.89 303 A1V
CH 128333 71280 5.74 −1.16 782 M1III irregular variable,
128902 71568 5.74 −1.99 1144 K2III
10 121996 68276 5.76 −0.08 480 A0Vs
h 38 130945 72487 5.76 2.41 153 F7IVw Merga
139798 76568 5.76 2.99 117 F2V
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 125180 69829 5.84 −1.62 1012 M3III ＝ 101 Vir; semiregular variable,
139906 76594 5.84 0.54 374 G8III
HP 130948 72567 5.86 4.59 58 G2V BY Draconis variable,
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 127739 71115 5.91 2.35 168 F2IV
129153 71759 5.93 2.30 173 F0V
4 126200 70384 5.94 0.58 384 A3V Algol variable
3 120064 67239 5.97 1.36 272 F6IV-V
CN BooCN 124953 5.98 A8III δ Sct variable,
1 G. Boo1 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 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:
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 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 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
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 126009 70236 6.50 −0.19 709 MIII irregular variable,
132145 73156 6.50 0.83 444 A1V
μ2 51 137392 75415 6.51 3.65 122 G1V component of the μ Boo system
κ1 17 124674 69481 6.62 2.73 196 F1V component of the κ Boo system
141399 77301 7.2 4.41 118 K0V has four planets (b, c, d & e)
128311 71395 7.48 6.38 54 K0V has two planets (b & c)
136418 74961 7.88 2.74 347 G5III Nikawiy; has a planet (b)
131496 72845 7.96 2.75 359 K0 Arcalís,[5] has a planet (b)
132406 73146 8.45 4.19 231 G0V has a planet (b)
132563 9.47 4.56 313 has a planet (HD 132563 B b)
9.745 3.725 521.6 F5V has a transiting planet WASP-14b
11.2 3.6 1010 F has a transiting planet HAT-P-4b
R 128609 71490 11.70 3.16 1664 M4e Mira variable,
CR 15.00 1150 AM CVn variable
19.35 19.15 35.84 M9V one of the dimmest and least massive stars known

See also

References

Notes and References

  1. http://articles.adsabs.harvard.edu//full/1895MNRAS..55..429K/0000434.000.html E.B Knobel – On a catalogue of stars in the Calendarium of Al Achsasi Al Mouakket
  2. Web site: Princeps – Constellations of Words . 2022-10-28 . en-US.
  3. https://penelope.uchicago.edu/Thayer/E/Gazetteer/Topics/astronomy/_Texts/secondary/ALLSTA/Bootes*.html Star Name – R.H.Allen p.105
  4. AEEA (Activities of Exhibition and Education in Astronomy) 天文教育資訊網 2006 年 6 月 14 日
  5. Web site: Andorra. NameExoWorlds. en. 2019-12-23.

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