Astronomy:List of stars in Boötes

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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  14h 15m 40.35s +19° 11′ 14.2″ −0.05 −0.31 37 K2IIIp Alramech, Al Simak Al Ramih, Al Simak Lanceator;[1] 3rd brightest star, variable
ε Boo ε 36 129989 72105  14h 44m 59.22s +27° 04′ 27.2″ 2.37 −1.61 236 K0 II-III Izar, Mirak, Pulcherrima;[1] binary star
η Boo η 8 121370 67927  13h 54m 41.12s +18° 23′ 54.9″ 2.68 2.41 37 G0IV Muphrid, Ramih al Ramih, Lancea Lanceator[1]
γ Boo γ 27 127762 71075  14h 32m 04.76s +38° 18′ 28.4″ 3.04 0.96 85 A7IIIvar Seginus, Menkib al Aoua al Aisr, Humerus Sinister Latratoris;[1] δ Sct variable, Vmax = 3.02m, Vmin = 3.07m, P = 0.290314 d
δ Boo δ 49 135722 74666  15h 15m 30.10s +33° 18′ 54.4″ 3.46 0.69 117 G8III Princeps.[2]
β Boo β 42 133208 73555  15h 01m 56.79s +40° 23′ 26.3″ 3.49 −0.64 219 G8III Nekkar, Meres
ρ Boo ρ 25 127665 71053  14h 31m 49.86s +30° 22′ 16.1″ 3.57 0.27 149 K3III
ζ Boo ζ 30 129246 71795  14h 41m 08.92s +13° 43′ 42.0″ 3.78 0.06 180 A3IVn double star
θ Boo θ 23 126660 70497  14h 25m 12.02s +51° 51′ 06.2″ 4.04 3.22 48 F7V Asellus Primus[3]
υ Boo υ 5 120477 67459  13h 49m 28.70s +15° 47′ 52.1″ 4.05 −0.33 245 K5IIIvar
λ Boo λ 19 125162 69732  14h 16m 23.18s +46° 05′ 16.5″ 4.18 1.81 97 A0sh Xuángē (玄戈)[4]
μ1 Boo μ1 51 137391 75411  15h 24m 29.54s +37° 22′ 37.1″ 4.31 1.46 121 F0V Alkalurops; double star
ζ Boo ζ 30 129247  14h 41m 08.90s +13° 43′ 42.0″ 4.43
σ Boo σ 28 128167 71284  14h 34m 40.69s +29° 44′ 41.3″ 4.47 3.52 50 F3Vwvar
π1 Boo π1 29 129174 71762  14h 40m 43.56s +16° 25′ 05.9″ 4.49 −0.45 317 B9p MnHg Alazal; binary star
τ Boo τ 4 120136 67275  13h 47m 16.04s +17° 27′ 24.4″ 4.50 3.53 51 F7V has a planet (b)
ψ Boo ψ 43 133582 73745  15h 04m 26.86s +26° 56′ 51.6″ 4.52 0.10 250 K2III
κ2 Boo κ2 17 124675 69483  14h 13m 28.95s +51° 47′ 24.0″ 4.53 1.14 155 A8IV Asellus Tertius;[3] binary star; δ Sct variable, Vmax = 4.50m, Vmin = 4.58m, P = 0.06479 d
ξ Boo ξ 37 131156 72659  14h 51m 23.28s +19° 06′ 02.3″ 4.54 5.41 22 G8V + K4V BY Dra variable, Vmax = 4.52m, Vmin = 4.67m, P = 10.137 d
ο Boo ο 35 129972 72125  14h 45m 14.50s +16° 57′ 51.9″ 4.60 0.40 225 K0III
ι Boo ι 21 125161 69713  14h 16m 10.07s +51° 22′ 01.3″ 4.75 2.38 97 A9V Asellus Secundus;[3] binary star, triple star; δ Sct variable, Vmax = 4.73m, Vmin = 4.78m, P = 0.027 d
HD 125351 A 125351 69879  14h 17m 59.82s +35° 30′ 34.1″ 4.80 0.63 223 K1III spectroscopic binary
W Boo 34 129712 71995  14h 43m 25.37s +26° 31′ 40.4″ 4.80 −2.38 888 M3III semiregular variable, Vmax = 4.49m, Vmin = 5.40m, P = 25 d
ω Boo ω 41 133124 73568  15h 02m 06.51s +25° 00′ 29.7″ 4.80 −0.41 359 K4III
12 Boo d 12 123999 69226  14h 10m 23.95s +25° 05′ 30.6″ 4.82 2.00 120 F9IVw
44 Boo i 44 133640 73695  15h 03m 47.68s +47° 39′ 14.5″ 4.83 4.30 42 G2V + G2V W UMa variable, Vmax = 4.70m, Vmin = 4.86m, P = 0.267819 d
20 Boo 20 125560 70027  14h 19m 45.32s +16° 18′ 24.5″ 4.84 1.01 190 K3III
HD 126128 126128 70327  14h 23m 22.74s +08° 26′ 47.9″ 4.86 0.76 215 A0V
31 Boo 31 6 129312 71832  14h 41m 38.76s +08° 09′ 42.3″ 4.86 −1.38 576 G8IIIvar
6 Boo e 6 120539 67480  13h 49m 42.82s +21° 15′ 50.6″ 4.92 −0.34 368 K4III
45 Boo c 45 134083 73996  15h 07m 17.95s +24° 52′ 10.5″ 4.93 3.46 64 F5V
ν2 Boo ν2 53 138629 76041  15h 31m 46.99s +40° 53′ 57.7″ 4.98 −0.62 430 A5V
9 Boo 9 121710 68103  13h 56m 34.16s +27° 29′ 31.9″ 5.02 −1.47 648 K3IIIvar
ν1 Boo ν1 52 138481 75973  15h 30m 55.75s +40° 49′ 59.0″ 5.04 −2.10 872 K5III
BY Boo BY 123657 69038  14h 07m 55.75s +43° 51′ 16.3″ 5.13 −0.64 465 M4.5:III irregular variable, Vmax = 4.98m, Vmin = 5.33m
134190 73909  15h 06m 16.67s +54° 33′ 22.6″ 5.24 0.73 260 G8III
φ Boo φ 54 139641 76534  15h 37m 49.55s +40° 21′ 11.8″ 5.25 1.76 163 G8III-IV Ceginus
CF Boo 13 CF 123782 69068  14h 08m 17.36s +49° 27′ 28.9″ 5.26 −0.90 556 M2III irregular variable, Vmax = 5.20m, Vmin = 5.30m
χ Boo χ 48 135502 74596  15h 14m 29.21s +29° 09′ 51.2″ 5.28 1.07 226 A2V
15 Boo 15 124679 69612  14h 14m 50.86s +10° 06′ 03.6″ 5.29 0.82 255 K1III
50 Boo 50 136849 75178  15h 21m 48.61s +32° 56′ 01.2″ 5.38 0.98 247 B9Vn
33 Boo 33 129002 71618  14h 38m 50.28s +44° 24′ 16.4″ 5.39 1.49 197 A1V
22 Boo f 22 126661 70602  14h 26m 27.41s +19° 13′ 36.6″ 5.40 0.68 286 F0m
18 Boo 18 125451 69989  14h 19m 16.22s +13° 00′ 15.8″ 5.41 3.33 85 F5IV
137704 75572  15h 26m 17.46s +34° 20′ 09.1″ 5.46 −0.42 489 K4III
131111 72582  14h 50m 29.80s +37° 16′ 18.5″ 5.47 1.53 200 K0III-IV
BP Boo BP 140728 76957  15h 42m 50.82s +52° 21′ 39.0″ 5.48 0.54 317 B9p... α2 CVn variable, ΔV = 0.02m, P = 1.30488 d
133392 73634  15h 03m 06.08s +35° 12′ 20.8″ 5.52 0.89 275 G8III:
14 Boo 14 124570 69536  14h 14m 05.33s +12° 57′ 34.5″ 5.53 2.92 108 F6IV
32 Boo 32 129336 71837  14h 41m 43.62s +11° 39′ 39.4″ 5.55 0.19 385 G8III
137071 75257  15h 22m 37.37s +39° 34′ 53.4″ 5.56 −3.99 2650 K4III
HD 118889 118889 66640  13h 39m 34.68s +10° 44′ 46.7″ 5.57 1.93 175 F0V
24 Boo g 24 127243 70791  14h 28m 38.09s +49° 50′ 41.9″ 5.58 0.70 308 G3IV has a planet (b)
47 Boo k 47 133962 73841  15h 05m 25.89s +48° 09′ 03.2″ 5.59 1.08 260 A1V
2 Boo 2 119126 66763  13h 41m 02.36s +22° 29′ 45.0″ 5.63 0.66 322 G9III
132254 73100  14h 56m 22.94s +49° 37′ 44.4″ 5.63 3.65 81 F7V
40 Boo 40 132772 73369  14h 59m 36.97s +39° 15′ 54.8″ 5.64 2.13 164 F1III-IV
136729 75043  15h 20m 05.14s +51° 57′ 30.6″ 5.65 1.58 213 A4V
46 Boo b 46 134320 74087  15h 08m 23.78s +26° 18′ 04.3″ 5.67 0.12 420 K2III
39 Boo 39 131041 72524  14h 49m 41.36s +48° 43′ 14.0″ 5.68 1.44 229 F6V+...
7 Boo 7 121107 67787  13h 53m 12.95s +17° 55′ 58.3″ 5.71 −0.90 683 G5III
118508 66417  13h 36m 59.10s +24° 36′ 47.9″ 5.72 −0.23 505 M2III
129846 72012  14h 43m 44.44s +40° 27′ 33.1″ 5.72 −1.21 793 K4III
132146 73166  14h 57m 11.68s +16° 23′ 17.3″ 5.72 −0.67 617 G5III:
1 Boo 1 119055 66727  13h 40m 40.50s +19° 57′ 20.4″ 5.73 0.89 303 A1V
CH Boo CH 128333 71280  14h 34m 39.66s +49° 22′ 05.6″ 5.74 −1.16 782 M1III irregular variable, ΔV = ~0.04m
128902 71568  14h 38m 12.67s +43° 38′ 31.4″ 5.74 −1.99 1144 K2III
10 Boo 10 121996 68276  13h 58m 38.93s +21° 41′ 46.8″ 5.76 −0.08 480 A0Vs
38 Boo h 38 130945 72487  14h 49m 18.68s +46° 06′ 59.0″ 5.76 2.41 153 F7IVw Merga
139798 76568  15h 38m 16.14s +46° 47′ 52.8″ 5.76 2.99 117 F2V
EK Boo EK 130144 72208  14h 46m 06.00s +15° 07′ 54.3″ 5.78 −1.44 908 M5III irregular variable, ΔV = ~0.38m
130917 72552  14h 49m 58.39s +28° 36′ 57.0″ 5.80 1.02 295 A4V
134335 74096  15h 08m 35.56s +25° 06′ 31.1″ 5.82 −0.15 510 K1III
128998 71573  14h 38m 15.21s +54° 01′ 24.2″ 5.83 0.24 428 A1V
CY Boo CY 125180 69829  14h 17m 28.44s +15° 15′ 48.1″ 5.84 −1.62 1012 M3III ＝ 101 Vir; semiregular variable, Vmax = 5.74m, Vmin = 5.90m, P = 23 d
139906 76594  15h 38m 34.20s +50° 25′ 24.1″ 5.84 0.54 374 G8III
HP Boo HP 130948 72567  14h 50m 15.72s +23° 54′ 42.4″ 5.86 4.59 58 G2V BY Draconis variable, ΔV = 0.03m, P = 7.85 d
π2 Boo π2 29 129175  14h 40m 43.90s +16° 25′ 04.0″ 5.88 component of the π Boo system
128750 71571  14h 38m 14.01s +18° 17′ 54.7″ 5.90 0.64 367 K2III:
131951 73087  14h 56m 13.24s +14° 26′ 46.6″ 5.90 −0.22 547 A0V
26 Boo 26 127739 71115  14h 32m 32.62s +22° 15′ 35.9″ 5.91 2.35 168 F2IV
129153 71759  14h 40m 42.36s +13° 32′ 03.7″ 5.93 2.30 173 F0V
4 G. Boo 4 126200 70384  14h 24m 00.88s +08° 14′ 38.4″ 5.94 0.58 384 A3V Algol variable
3 Boo 3 120064 67239  13h 46m 43.33s +25° 42′ 08.6″ 5.97 1.36 272 F6IV-V
CN Boo CN 124953  14h 16m 04.20s +18° 54′ 43.0″ 5.98 A8III δ Sct variable, ΔV = 0.03m, P = 0.04 d
1 G. Boo 1 122365 68498  14h 01m 20.41s +08° 53′ 41.7″ 5.98 1.25 288 A2V
135438 74561  15h 14m 06.01s +31° 47′ 16.5″ 5.98 −0.29 585 K5
127726 71094  14h 32m 20.27s +26° 40′ 38.4″ 6.00 1.74 232 A7Vn
DE Boo DE 131511 72848  14h 53m 24.04s +19° 09′ 08.2″ 6.00 5.69 38 K2V RS CVn variable, Vmax = 5.97m, Vmin = 6.04m, P = 10.39 d
121980 68279  13h 58m 39.95s +14° 38′ 57.9″ 6.01 −0.05 531 K5III
128198 71277  14h 34m 38.52s +36° 37′ 34.2″ 6.02 −0.19 568 K5III
134064 74000  15h 07m 20.34s +18° 26′ 31.0″ 6.03 1.66 244 A3V
127304 70892  14h 29m 49.68s +31° 47′ 28.2″ 6.06 0.91 349 A0Vs
137390 75369  15h 24m 05.13s +45° 16′ 15.7″ 6.07 0.22 482 K2III
120934 67714  13h 52m 18.39s +12° 09′ 54.6″ 6.10 1.11 325 A1V
119584 66992  13h 43m 45.13s +22° 42′ 01.8″ 6.12 −0.63 731 K4III
132029 73068  14h 55m 58.63s +32° 18′ 00.3″ 6.12 1.21 313 A2V
135530 74571  15h 14m 10.29s +42° 10′ 17.2″ 6.12 −1.32 1003 M2III
129132 71729  14h 40m 21.88s +21° 58′ 32.8″ 6.13 1.01 344 G0V
124186 69316  14h 11m 15.14s +32° 17′ 44.9″ 6.14 0.79 383 K4III
136751 75093  15h 20m 41.65s +44° 26′ 04.7″ 6.14 2.49 175 F4IVs
130025 72139  14h 45m 20.58s +18° 53′ 05.7″ 6.15 0.24 495 K0
130603 72412  14h 48m 23.41s +24° 22′ 00.3″ 6.15 1.61 264 F2V
130817 72469  14h 49m 06.93s +37° 48′ 39.3″ 6.15 3.09 134 F2V
138213 75770  15h 28m 44.41s +47° 12′ 05.4″ 6.15 0.32 479 Amvar...
119288 66860  13h 42m 12.98s +08° 23′ 19.0″ 6.16 3.39 117 F3Vp 174 G. Vir in Boötes
121560 68030  13h 55m 50.17s +14° 03′ 23.3″ 6.16 4.24 79 F6V
134323 74121  15h 08m 53.54s +13° 14′ 06.2″ 6.16 −0.10 582 G6V:
HD 122563 122563 68594  14h 02m 31.96s +09° 41′ 10.6″ 6.18 −0.94 867 F8IV extremely metal-poor giant
125349 69818  14h 17m 21.16s +51° 18′ 26.6″ 6.19 1.15 331 A2IV
5 G. Boo 5 126271 70414  14h 24m 18.34s +08° 05′ 05.4″ 6.19 0.95 363 K4III
135402 74514  15h 13m 35.59s +38° 15′ 53.3″ 6.19 0.54 439 K2III:
126141 70310  14h 23m 06.92s +25° 20′ 16.9″ 6.22 3.46 116 F5V
127065 70762  14h 28m 16.46s +36° 11′ 49.3″ 6.22 −1.07 937 K0III
11 Boo 11 122405 68478  14h 01m 10.53s +27° 23′ 11.6″ 6.23 1.14 340 A7III
124755 69569  14h 14m 23.57s +41° 31′ 08.5″ 6.23 2.98 146 K3III:
2 G. Boo 2 122744 68687  14h 03m 36.79s +07° 32′ 46.4″ 6.25 0.64 432 G9III
125040 69751  14h 16m 32.93s +20° 07′ 19.5″ 6.25 3.71 105 F8V
122742 68682  14h 03m 32.30s +10° 47′ 15.1″ 6.27 5.17 54 G8V
130084 72124  14h 45m 13.68s +32° 47′ 18.6″ 6.27 −1.11 976 M1III
126597 70517  14h 25m 29.15s +38° 23′ 35.2″ 6.28 −0.13 625 K2III:
132879 73464  15h 00m 52.28s +22° 02′ 44.1″ 6.29 −1.19 1022 K0
125406 69862  14h 17m 49.21s +48° 00′ 07.5″ 6.32 2.07 231 F5
128093 71243  14h 34m 11.63s +32° 32′ 04.1″ 6.32 3.20 137 F5V
125642 70029  14h 19m 47.72s +38° 47′ 38.7″ 6.33 0.65 447 A2V
134493 74083  15h 08m 19.54s +50° 03′ 18.0″ 6.33 0.77 423 K0III
BX Boo BX 133029 73454  15h 00m 38.73s +47° 16′ 38.7″ 6.35 0.53 477 B9p SiSrCr α2 CVn variable, Vmax = 6.33m, Vmin = 6.41m, P = 2.88813 d
134044 73941  15h 06m 35.19s +36° 27′ 21.5″ 6.35 4.00 96 F8V
122443 68516  14h 01m 36.84s +17° 40′ 06.9″ 6.36 −4.98 6037 G5
127334 70873  14h 29m 36.68s +41° 47′ 47.2″ 6.36 4.50 77 G5V
124713 69592  14h 14m 40.94s +21° 52′ 24.3″ 6.38 2.53 192 A7V
125111 69735  14h 16m 24.38s +39° 44′ 40.9″ 6.38 2.96 157 F2IV
126307 70385  14h 24m 01.98s +27° 24′ 47.5″ 6.39 −1.89 1475 K4III
127986 71168  14h 33m 20.27s +36° 57′ 33.1″ 6.39 2.07 238 F8IVw
128402 71406  14h 36m 06.88s +23° 15′ 01.1″ 6.39 1.08 377 K0
129430 71857  14h 41m 54.24s +21° 07′ 25.3″ 6.40 0.58 475 G8III
131473 72846  14h 53m 23.36s +15° 42′ 18.4″ 6.41 2.96 160 F6III
119784 67104  13h 45m 13.47s +10° 19′ 31.5″ 6.42 1.14 371 K2
124678 69585  14h 14m 35.66s +13° 58′ 30.9″ 6.45 0.51 502 K2
125658 70051  14h 20m 08.67s +30° 25′ 44.9″ 6.45 1.76 283 A5III
118839 66594  13h 39m 02.31s +18° 15′ 55.3″ 6.46 −0.31 738 K3III
125632 69958  14h 18m 55.93s +54° 51′ 49.6″ 6.47 1.42 334 A5Vn
135944 74690  15h 15m 50.68s +50° 56′ 18.8″ 6.47 2.56 197 G5
118660 66522  13h 38m 07.86s +14° 18′ 07.1″ 6.49 2.21 234 A9Vs
131040 72508  14h 49m 32.37s +51° 22′ 28.2″ 6.49 2.93 168 F5IV
125076 69704  14h 16m 02.41s +45° 33′ 58.0″ 6.50 1.00 410 K0
CI Boo CI 126009 70236  14h 22m 14.03s +29° 22′ 11.9″ 6.50 −0.19 709 MIII irregular variable, Vmax = 6.23m, Vmin = 6.57m
132145 73156  14h 57m 03.61s +21° 33′ 19.7″ 6.50 0.83 444 A1V
μ2 Boo μ2 51 137392 75415  15h 24m 30.97s +37° 20′ 49.5″ 6.51 3.65 122 G1V component of the μ Boo system
κ1 Boo κ1 17 124674 69481  14h 13m 27.75s +51° 47′ 16.4″ 6.62 2.73 196 F1V component of the κ Boo system
HD 141399 141399 77301  15h 46m 54.0s +46° 59′ 11″ 7.2 4.41 118 K0V has four planets (b, c, d & e)
HD 128311 128311 71395  14h 36m 00.56s +09° 44′ 47.5″ 7.48 6.38 54 K0V has two planets (b & c)
HD 136418 136418 74961  15h 19m 06.18s +41° 43′ 59.5″ 7.88 2.74 347 G5III Nikawiy; has a planet (b)
HD 131496 131496 72845  14h 53m 23s +18° 14′ 07″ 7.96 2.75 359 K0 Arcalís,[5] has a planet (b)
HD 132406 132406 73146  14h 56m 54.65s +53° 22′ 55.8″ 8.45 4.19 231 G0V has a planet (b)
HD 132563 B 132563  14h 58m 21s +44° 02′ 36″ 9.47 4.56 313 has a planet (HD 132563 B b)
WASP-14  14h 33m 06.3549s +21° 53′ 40.978″ 9.745 3.725 521.6 F5V has a transiting planet WASP-14b
BD+36°2593  15h 19m 57.93s +36° 13′ 46.8″ 11.2 3.6 1010 F has a transiting planet HAT-P-4b
R Boo R 128609 71490  14h 37m 11.70s +26° 44′ 10.0″ 11.70 3.16 1664 M4e Mira variable, Vmax = 6.0m, Vmin = 13.3m, P = 223.11 d
CR Boo CR  13h 48m 55.22s +07° 57′ 35.7″ 15.00 1150 AM CVn variable
LHS 2924  14h 28m 43.2272s +33° 10′ 39.2458″ 19.35 19.15 35.84 M9V one of the dimmest and least massive stars known
Table legend:

See also

  • List of stars by constellation

References

  1. ↑ 1.0 1.1 1.2 1.3 E.B Knobel – On a catalogue of stars in the Calendarium of Al Achsasi Al Mouakket
  2. ↑ "Princeps – Constellations of Words" (in en-US). https://www.constellationsofwords.com/princeps/. 
  3. ↑ 3.0 3.1 3.2 Star Name – R.H.Allen p.105
  4. ↑ (in Chinese) AEEA (Activities of Exhibition and Education in Astronomy) 天文教育資訊網 2006 年 6 月 14 日
  5. ↑ "Andorra" (in en). http://www.nameexoworlds.iau.org/andorra. 



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