List of stars in Orion

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

Name B F Var HD HIP RA Dec vis.
mag. 		abs.
mag. 		Dist. (ly) Sp. class Notes
Rigel β 19 34085 24436 05h 14m 32.27s −08° 12′ 05.9″ 0.18 −6.69 773 B8Ia + B9V + B9V 7th brightest star, triple star system; α Cyg variable
Betelgeuse α 58 39801 27989 05h 55m 10.29s +07° 24′ 25.3″ 0.42 −6.02 643 M2Ib 9th brightest star on average, semiregular variable, Vmax = 0m, Vmin = 1.3m, P = 2335 d
Bellatrix γ 24 35468 25336 05h 25m 07.87s +06° 20′ 59.0″ 1.64 −2.72 243 B2III suspected variable
Alnilam ε 46 37128 26311 05h 36m 12.81s −01° 12′ 06.9″ 1.69 −6.38 1342 B0Ia α Cyg variable, α Cyg variable, Vmax = 1.64m, Vmin = 1.74m
Alnitak A ζ 50 37742 26727 05h 40m 45.52s −01° 56′ 33.3″ 1.88 -6.0 817 O9.7Ib component of the Alnitak system; suspected variable
Saiph κ 53 38771 27366 05h 47m 45.39s −09° 40′ 10.6″ 2.07 −4.65 721 B0.5Ia suspected variable
Mintaka AB δ 34 36486 25930 05h 32m 00.40s −00° 17′ 56.7″ 2.20 -5.8 916 B0III+O9V component of the Mintaka system; Algol variable, Vmax = 2.20m, Vmin = 2.32m, P = 5.73 d
ι Ori ι 44 37043 26241 05h 35m 25.98s −05° 54′ 35.6″ 2.75 −5.30 1325 O9III Hatysa
π3 Ori π3 1 30652 22449 04h 49m 50.14s +06° 57′ 40.5″ 3.19 -3.67 26 F6V Tabit; suspected variable
η Ori η 28 35411 25281 05h 24m 28.62s −02° 23′ 49.7″ 3.35 −3.86 901 B1V + B2 Saif al Jabbar, Saiph; β Cep variable, Vmax = 3.31m, Vmin = 3.6m, P = 7.99 d
Meissa A λ 39 36861 26207 05h 35m 08.28s +09° 56′ 03.0″ 3.47 -4.25 1055 O8III component of the Meissa system; suspected variable
τ Ori τ 20 34503 24674 05h 17m 36.40s −06° 50′ 39.8″ 3.59 −2.56 554 B5III
π4 Ori π4 3 30836 22549 04h 51m 12.37s +05° 36′ 18.4″ 3.68 −4.25 1259 B2III variable star, ΔV = 0.003m, P = 1.60 d
Alnitak B ζ 50 37743 26727 05h 40m 45.60s −01° 56′ 34.0″ 3.70 -3.29 817 B0III+B1IV component of the Alnitak system
π5 Ori π5 8 31237 22797 04h 54m 15.10s +02° 26′ 26.4″ 3.71 −4.36 1342 B2III rotating ellipsoidal variable, Vmax = 3.66m, Vmin = 3.73m, P = 3.70 d
σ Ori AB σ 48 37468 26549 05h 38m 44.77s −02° 36′ 00.2″ 3.77 −3.96 1148 O9.5V component of the σ Ori system; spectroscopic binary; suspected variable
ο2 Ori ο2 9 31421 22957 04h 56m 22.32s +13° 30′ 52.5″ 4.06 0.48 169 K2III
φ2 Ori φ2 40 37160 26366 05h 36m 54.33s +09° 17′ 29.1″ 4.09 1.33 116 G8III-IV
μ Ori μ 61 40932 28614 06h 02m 22.99s +09° 38′ 50.5″ 4.12 0.78 152 Am... suspected eclipsing binary
29 Ori e 29 35369 25247 05h 23m 56.84s −07° 48′ 28.6″ 4.13 0.49 174 G8III
32 Ori A 32 36267 25813 05h 30m 47.05s +05° 56′ 53.6″ 4.20 −0.53 288 B5V
π2 Ori π2 2 30739 22509 04h 50m 36.72s +08° 54′ 00.9″ 4.35 0.48 194 A1Vn
φ1 Ori φ1 37 36822 26176 05h 34m 49.24s +09° 29′ 22.5″ 4.39 −3.01 985 B0IV...
χ1 Ori χ1 54 39587 27913 05h 54m 23.08s +20° 16′ 35.1″ 4.39 4.67 28 G0V RS CVn variable, Vmax = 4.38m, Vmin = 4.41m
ν Ori ν 67 41753 29038 06h 07m 34.32s +14° 46′ 06.7″ 4.42 −1.65 534 B3IV variable star, ΔV = 0.008m, P = 1.04 d
ξ Ori ξ 70 42560 29426 06h 11m 56.40s +14° 12′ 31.7″ 4.45 −2.00 634 B3IV
ρ Ori ρ 17 33856 24331 05h 13m 17.48s +02° 51′ 40.5″ 4.46 −0.65 344 K3III... suspected variable
π6 Ori π6 10 31767 23123 04h 58m 32.90s +01° 42′ 50.5″ 4.47 −2.86 953 K2IIvar suspected variable
ω Ori ω 47 37490 26594 05h 39m 11.15s +04° 07′ 17.3″ 4.50 −3.98 1622 B3IIIe γ Cas variable, Vmax = 4.4m, Vmin = 4.59m
HD 40657 40657 28413 06h 00m 03.35s −03° 04′ 26.7″ 4.53 −1.02 420 K2IIIvar suspected variable
42 Ori c 42 37018 26237 05h 35m 23.16s −04° 50′ 18.0″ 4.58 −2.33 786 B2III... suspected variable
ψ2 Ori ψ2 30 35715 25473 05h 26m 50.23s +03° 05′ 44.4″ 4.59 −3.60 1417 B2IV ellipsoidal variable and possible eclipsing binary, Vmax = 4.55m, Vmin = 4.61m, P = 2.53 d
υ Ori υ 36 36512 25923 05h 31m 55.86s −07° 18′ 05.5″ 4.62 −3.76 1545 B0V Thabit; suspected β Cep variable
π1 Ori π1 7 31295 22845 04h 54m 53.70s +10° 09′ 04.1″ 4.64 1.80 121 A0V
χ2 Ori χ2 62 41117 28716 06h 03m 55.18s +20° 08′ 18.5″ 4.64 -7.6 1801 B2Ia α Cyg variable
11 Ori 11 V1032 32549 23607 05h 04m 34.14s +15° 24′ 15.1″ 4.65 −0.79 400 A0p Si α2 CVn variable, Vmax = 4.65m, Vmin = 4.69m, P = 4.64 d
ο1 Ori ο1 4 30959 22667 04h 52m 31.96s +14° 15′ 02.8″ 4.71 −1.39 542 M3Sv semiregular variable, Vmax = 4.65m, Vmin = 4.88m, P = 30 d
31 Ori 31 CI 36167 25737 05h 29m 43.98s −01° 05′ 31.8″ 4.71 −1.02 456 K5III semiregular variable, Vmax = 4.68m, Vmin = 4.72m, P = 141 d
22 Ori o 22 35039 25044 05h 21m 45.75s −00° 22′ 56.9″ 4.72 −3.26 1289 B2IV-V suspected β Cep variable
56 Ori 56 39400 27750 05h 52m 26.44s +01° 51′ 18.6″ 4.76 −2.91 1113 K2IIvar suspected variable
49 Ori d 49 37507 26563 05h 38m 53.09s −07° 12′ 45.8″ 4.77 1.41 153 A4V
HD 36960 36960 26199 05h 35m 02.68s −06° 00′ 07.3″ 4.78 −4.00 1863 B0.5V suspected variable
15 Ori 15 33276 24010 05h 09m 41.96s +15° 35′ 50.2″ 4.81 −0.14 318 F2IV
ψ1 Ori ψ1 25 V1086 35439 25302 05h 24m 44.83s +01° 50′ 47.2″ 4.89 −2.77 1109 B1V:pe γ Cas variable, Vmax = 4.76m, Vmin = 4.96m
51 Ori b 51 37984 26885 05h 42m 28.66s +01° 28′ 28.8″ 4.90 0.07 302 K1III
HD 44131 44131 30093 06h 19m 59.60s −02° 56′ 40.2″ 4.91 −1.05 506 M1III variable star, ΔV = 0.011m, P = 8.92 d
HD 37756 37756 26736 05h 40m 50.72s −01° 07′ 43.6″ 4.95 −4.08 2090 B2IV-V suspected eclipsing binary
69 Ori f1 69 42545 29434 06h 12m 03.28s +16° 07′ 49.6″ 4.95 −1.93 774 B5Vn
θ2 Ori A θ2 43 37041 26235 05h 35m 22.90s −05° 24′ 57.8″ 4.98 −3.84 1895 O9.5Vpe component of the θ2 Ori system; suspected variable
23 Ori m 23 35149 25142 05h 22m 50.00s +03° 32′ 40.0″ 5.00 −2.35 962 B1V suspected variable
74 Ori k 74 43386 29800 06h 16m 26.57s +12° 16′ 18.2″ 5.04 3.58 64 F5IV-V
27 Ori p 27 35410 25282 05h 24m 28.91s −00° 53′ 30.0″ 5.07 1.46 172 K0III suspected variable
θ1 Ori C θ1 C 41 37022 26221 05h 35m 16.47s −05° 23′ 22.9″ 5.13 -4.9 1600 O6Vpe component of the Trapezium; triple star system; suspected variable
64 Ori 64 41040 28691 06h 03m 27.36s +19° 41′ 26.2″ 5.14 −2.44 1069 B8V suspected variable
6 Ori g 6 31283 22833 04h 54m 46.91s +11° 25′ 33.5″ 5.18 0.84 241 A3V suspected variable
HD 33554 33554 24197 05h 11m 41.56s +16° 02′ 44.4″ 5.18 0.21 321 K5III
71 Ori 71 43042 29650 06h 14m 50.94s +19° 09′ 24.8″ 5.20 3.58 69 F6V
60 Ori 60 40446 28296 05h 58m 49.58s +00° 33′ 10.7″ 5.21 −0.05 367 A1Vs suspected variable
45 Ori 45 37077 26268 05h 35m 39.49s −04° 51′ 21.9″ 5.24 −0.04 370 F0III
52 Ori 52 38710 27386 05h 48m 00.23s +06° 27′ 15.2″ 5.26 −0.58 479 A5V
38 Ori n2 38 36777 26126 05h 34m 16.79s +03° 46′ 01.0″ 5.32 0.20 345 A2V
5 Ori 5 31139 22730 04h 53m 22.76s +02° 30′ 29.8″ 5.33 −1.13 638 M1III suspected variable
HD 31296 31296 22834 04h 54m 47.79s +07° 46′ 45.0″ 5.33 −0.33 441 K1III
14 Ori i 14 33054 23879 05h 07m 52.87s +08° 29′ 54.9″ 5.33 1.46 194 Am
21 Ori 21 34658 24817 05h 19m 11.23s +02° 35′ 45.4″ 5.34 1.42 198 F5IIvar
HD 36591 36591 25980 05h 32m 41.35s −01° 35′ 30.6″ 5.34 −4.14 2567 B1IV suspected variable
72 Ori f2 72 43153 29704 06h 15m 25.13s +16° 08′ 35.5″ 5.34 −0.50 479 B7V
HD 30210 30210 22157 04h 46m 01.70s +11° 42′ 20.2″ 5.35 0.79 266 Am...
VV Ori VV 36695 26063 05h 33m 31.45s −01° 09′ 21.9″ 5.36 −3.41 1852 B1V Algol variable, Vmax = 5.31m, Vmin = 5.66m, P = 1.49 d
55 Ori 55 39291 27658 05h 51m 21.98s −07° 31′ 04.8″ 5.36 −3.20 1680 B2IV-V suspected variable
HD 30034 30034 22044 04h 44m 25.77s +11° 08′ 46.2″ 5.39 1.97 157 F0V
75 Ori l 75 43525 29850 06h 17m 06.62s +09° 56′ 33.1″ 5.39 0.93 254 A2V
U Ori U 39816 28041 05h 55m 49.30s +20° 10′ 30.0″ 5.40 1420 M8III Mira variable, Vmax = 4.8m, Vmin = 13m, P = 377 d
16 Ori h 16 33254 23983 05h 09m 19.60s +09° 49′ 46.6″ 5.43 1.77 176 A2m suspected variable
73 Ori 73 43247 29736 06h 15m 44.97s +12° 33′ 03.9″ 5.44 −2.72 1399 B9II-III
33 Ori n1 33 36351 25861 05h 31m 14.53s +03° 17′ 31.7″ 5.46 −2.95 1567 B1.5V
HD 34043 34043 24450 05h 14m 44.05s +05° 09′ 22.1″ 5.50 −0.82 598 K4III suspected variable
18 Ori 18 34203 24555 05h 16m 04.14s +11° 20′ 28.9″ 5.52 0.26 368 A0V
HD 35536 35536 25329 05h 25m 01.74s −10° 19′ 43.8″ 5.60 −0.85 635 K5III
35 Ori 35 36653 26093 05h 33m 54.29s +14° 18′ 20.1″ 5.60 −0.39 513 B3V
HD 36881 36881 26215 05h 35m 13.24s +10° 14′ 24.4″ 5.60 −2.66 1462 B9IIIMNp...
Meissa B λ 39 36862 26207 05h 35m 08.50s +09° 56′ 06.0″ 5.61 -1.94 1055 B0.5V component of the Meissa system
HD 43318 43318 29716 06h 15m 34.36s −00° 30′ 42.0″ 5.62 2.86 116 F6V
66 Ori 66 41380 28814 06h 04m 58.36s +04° 09′ 31.2″ 5.63 −3.78 2489 G4III
HD 36959 36959 26197 05h 35m 01.01s −06° 00′ 33.4″ 5.67 2694 B1Vvar suspected variable
63 Ori 63 41361 28812 06h 04m 58.19s +05° 25′ 11.9″ 5.67 −1.97 1101 G7III:
HD 44033 44033 30099 06h 20m 04.23s +14° 39′ 04.2″ 5.67 −0.46 548 K3Ib suspected variable
HD 35007 35007 25028 05h 21m 31.84s −00° 24′ 59.4″ 5.68 −1.91 1076 B3V
HD 35299 35299 25223 05h 23m 42.31s −00° 09′ 35.3″ 5.69 −1.28 809 B1.5V suspected variable
HD 40369 40369 28302 05h 58m 53.24s +12° 48′ 29.7″ 5.70 −1.35 838 K2III...
HD 42111 42111 29151 06h 08m 57.90s +02° 29′ 59.0″ 5.70 −0.66 609 A3Vn
HD 43587 43587 29860 06h 17m 16.25s +05° 05′ 58.9″ 5.70 4.27 63 G0.5Vb
HD 37209 37209 26345 05h 36m 35.69s −06° 03′ 53.1″ 5.71 −3.14 1918 B1V... suspected variable
68 Ori 68 42509 29433 06h 12m 01.34s +19° 47′ 26.1″ 5.76 −1.61 970 B9.5V
HD 36166 36166 25751 05h 29m 54.77s +01° 47′ 21.3″ 5.77 −2.16 1254 B2V
HD 34989 34989 25041 05h 21m 43.56s +08° 25′ 42.8″ 5.78 −0.99 736 B1V...
HD 38527 38527 27280 05h 46m 52.15s +09° 31′ 21.0″ 5.78 0.96 300 G8III
HD 31373 31373 22913 04h 55m 50.16s +15° 02′ 25.1″ 5.79 0.23 423 B9V
HD 39007 39007 27549 05h 50m 02.68s +09° 52′ 16.4″ 5.79 0.74 334 G8III
HD 36134 36134 25708 05h 29m 23.70s −03° 26′ 46.9″ 5.80 0.02 467 K1III... suspected variable
HD 43023 43023 29575 06h 13m 54.24s −03° 44′ 29.1″ 5.83 0.91 315 G8III
HD 42954 42954 29616 06h 14m 28.58s +17° 54′ 23.0″ 5.86 0.15 452 A6m
HD 37320 37320 26487 05h 38m 01.11s +07° 32′ 29.2″ 5.87 −0.29 556 B8III
HD 39910 39910 28011 05h 55m 30.16s −04° 36′ 59.4″ 5.87 1.02 304 K2III:
HD 33646 33646 24203 05h 11m 45.35s +01° 02′ 13.4″ 5.88 −1.36 916 F5
HD 33608 33608 24162 05h 11m 19.13s −02° 29′ 26.8″ 5.89 2.97 125 F5V
HD 40020 40020 28139 05h 56m 49.39s +11° 31′ 16.3″ 5.89 1.02 307 K2III
59 Ori 59 V1004 40372 28271 05h 58m 24.44s +01° 50′ 13.7″ 5.89 0.72 353 A5me δ Sct variable, Vmax = 5.88m, Vmin = 5.92m, P = 0.06 d
HD 33833 33833 24294 05h 12m 48.12s −06° 03′ 25.6″ 5.90 0.22 446 G7III
HD 32263 32263 23408 05h 01m 50.35s +00° 43′ 19.8″ 5.91 −0.01 498 K0
HD 43112 43112 29678 06h 15m 08.46s +13° 51′ 03.9″ 5.91 −2.21 1370 B1V suspected variable
HD 36780 36780 26108 05h 34m 04.06s −01° 28′ 12.7″ 5.92 −1.14 842 K5III
57 Ori 57 39698 27965 05h 54m 56.69s +19° 44′ 58.6″ 5.92 −2.25 1405 B2V suspected variable
HD 36162 36162 25790 05h 30m 26.17s +15° 21′ 38.0″ 5.93 0.81 344 A3Vn
HD 37788 37788 26762 05h 41m 05.59s +00° 20′ 15.7″ 5.93 2.38 168 F0IV
HD 38529 38529 27253 05h 46m 34.96s +01° 10′ 06.7″ 5.94 2.80 138 G4V binary star; has a planet and a brown dwarf
HD 39421 39421 27713 05h 52m 07.73s −09° 02′ 31.1″ 5.95 0.62 379 A2Vn
HD 37481 37481 26535 05h 38m 37.97s −06° 34′ 26.2″ 5.96 −2.45 1567 B1.5IV suspected variable
HD 39051 39051 27560 05h 50m 13.06s +04° 25′ 24.6″ 5.96 0.00 507 K2III
HD 39286 39286 27747 05h 52m 23.41s +19° 52′ 04.3″ 5.96 −2.16 1370 B9V + G suspected variable
HD 37171 37171 26386 05h 37m 04.35s +11° 02′ 06.2″ 5.97 −1.04 821 K4II SB variable star, ΔV = 0.013m, P = 1.56 d
HD 38089 38089 26926 05h 42m 53.91s −06° 47′ 46.7″ 5.97 2.47 163 F3V
HD 38858 38858 27435 05h 48m 34.90s −04° 05′ 38.7″ 5.97 5.01 51 G4V has a planet; suspected variable
HD 39118 39118
39119		 27588 05h 50m 30.03s +02° 01′ 29.0″ 5.97 −1.73 1128 G8III+... suspected variable
HD 39885 39985 28110 05h 56m 28.04s +09° 30′ 33.9″ 5.97 −0.68 697 A0IV
HD 31331 31331 22840 04h 54m 50.71s +00° 28′ 01.8″ 5.98 −1.38 964 B5V
HD 35281 35281 25187 05h 23m 18.51s −08° 24′ 56.1″ 5.99 0.09 493 B8+...
HD 37594 37594 26624 05h 39m 31.15s −03° 33′ 53.0″ 5.99 2.91 135 A8Vs
HD 39775 39775 27939 05h 54m 44.04s +00° 58′ 07.0″ 5.99 −1.03 827 K0III
HD 44497 44497 30318 06h 22m 36.42s +12° 34′ 13.1″ 6.00 2.00 205 F0III
HD 37303 37303 26427 05h 37m 27.36s −05° 56′ 18.2″ 6.03 −2.07 1358 B1Vvar suspected variable
HD 30545 30545 22354 04h 48m 44.63s +03° 35′ 18.8″ 6.04 −0.64 707 K1III
HD 32686 32686 23643 05h 04m 54.53s −03° 02′ 22.8″ 6.04 −3.83 3075 B5IV
V1031 Ori V1031 38735 27341 05h 47m 26.90s −10° 31′ 58.5″ 6.04 −0.47 653 A4V Algol variable, Vmax = 6.02m, Vmin = 6.43m, P = 3.41 d
HD 42477 42477 29371 06h 11m 27.91s +13° 38′ 19.0″ 6.04 0.44 430 A0Vnn
HD 43285 43285 29728 06h 15m 40.18s +06° 03′ 58.3″ 6.07 −0.72 743 B6V
HD 33883 33883 24349 05h 13m 31.55s +01° 58′ 03.7″ 6.08 −1.07 879 A5V
HD 38309 38309 27118 05h 45m 01.80s +04° 00′ 29.5″ 6.09 2.57 165 F0III:n γ Dor variable, ΔV = 0.008m, P = 0.36 d
HD 41076 41076 28686 06h 03m 24.77s +11° 40′ 51.9″ 6.09 0.25 480 A0Vs
W Ori W 32736 23680 05h 05m 23.71s +01° 10′ 39.5″ 6.10 −0.56 700 C semiregular variable, Vmax = 5.5m, Vmin = 6.9m, P = 212 d
HD 30870 30870 22597 04h 51m 43.38s +09° 58′ 30.3″ 6.11 −0.56 704 B5V
HD 33419 33419 24041 05h 10m 03.26s −00° 33′ 54.7″ 6.11 1.19 314 K0III
HD 37232 37232 26414 05h 37m 19.31s +08° 57′ 06.8″ 6.11 −1.01 867 B2IV-V
HD 43683 43683 29931 06h 18m 05.61s +14° 22′ 58.3″ 6.12 −0.33 637 A3V
HD 35317 35317 25240 05h 23m 51.33s −00° 51′ 59.8″ 6.13 2.31 189 F7V
HD 39632 39632 27900 05h 54m 13.35s +10° 35′ 11.1″ 6.13 −2.15 1475 G9II
HD 31764 31764 23161 04h 58m 59.41s +14° 32′ 35.7″ 6.14 −0.43 671 B7V suspected variable
13 Ori 13 33021 23852 05h 07m 38.32s +09° 28′ 21.8″ 6.15 3.89 92 G1IV
HD 34180 34180 24493 05h 15m 18.52s −01° 24′ 32.6″ 6.15 2.84 150 F0IV
HD 36558 36558 25976 05h 32m 37.97s +00° 00′ 43.1″ 6.15 −2.16 1495 K5
HD 37356 37356 26477 05h 37m 53.39s −04° 48′ 50.5″ 6.16 −1.52 1120 B2IV-V suspected variable
HD 35588 35588 25378 05h 25m 47.02s +00° 31′ 12.9″ 6.18 −2.25 1583 B2.5V suspected variable
HD 35693 35693 25502 05h 27m 13.90s +15° 15′ 27.6″ 6.18 0.43 461 A1IV
CK Ori CK 36217 25785 05h 30m 19.91s +04° 12′ 17.5″ 6.21 −0.02 574 K2III not variable
HD 40347 40347 28252 05h 58m 11.70s −00° 59′ 38.3″ 6.21 0.77 400 K0 suspected variable
HD 37744 37744 26713 05h 40m 37.29s −02° 49′ 30.9″ 6.22 −2.34 1680 B1.5V suspected variable
HD 40282 40282 28232 05h 57m 54.51s +01° 13′ 27.5″ 6.22 0.21 519 M0III
HD 36430 36430 25869 05h 31m 20.89s −06° 42′ 30.2″ 6.23 −2.43 1762 B2V
HD 33555 33555 24130 05h 10m 57.97s −02° 15′ 13.5″ 6.24 2.82 158 G8III
HD 35640 35640 25401 05h 26m 02.36s −05° 31′ 06.6″ 6.24 −0.31 667 B9.5Vn
HD 36779 36779 26106 05h 34m 03.89s −01° 02′ 08.6″ 6.24 −1.66 1240 B2.5V suspected variable
HD 37016 37016 26234 05h 35m 22.32s −04° 25′ 27.6″ 6.24 −1.46 1128 B2.5V
HD 38495 38495 27212 05h 46m 02.86s −04° 16′ 05.9″ 6.24 0.96 371 K1III...
HD 43821 43821 29982 06h 18m 40.35s +09° 02′ 50.2″ 6.24 1.11 346 K0
HD 31623 31623 23041 04h 57m 17.21s −01° 04′ 01.9″ 6.25 1.63 274 F2
HD 36840 36840 26149 05h 34m 29.29s −00° 00′ 44.4″ 6.25 −1.63 1230 G5
HD 39927 39927 28019 05h 55m 35.38s −04° 47′ 18.7″ 6.28 1.32 321 A2III
HD 30869 30869 22607 04h 51m 49.92s +13° 39′ 18.7″ 6.30 3.19 136 F5
HD 39685 39685 27902 05h 54m 15.72s +03° 13′ 32.8″ 6.30 0.16 552 K0
BL Ori BL 44984 30564 06h 25m 28.18s +14° 43′ 19.2″ 6.30 −1.70 1299 C semiregular variable, Vmax = 5.9m, Vmin = 6.6m, P = 153 d
HD 32115 32115 23296 05h 00m 39.82s −02° 03′ 57.7″ 6.31 2.83 162 A8IV
V1197 Ori V1197 38099 26953 05h 43m 09.32s −01° 36′ 47.4″ 6.31 −0.28 679 K4III rotating ellipsoidal variable, Vmax = 6.21m, Vmin = 6.31m, P = 143 d
HD 43819 V1155 43819 30019 06h 19m 01.85s +17° 19′ 31.0″ 6.32 −0.11 631 B9IIIsp... α2 CVn variable, ΔV = 0.02m, P = 15.03 d
HD 30321 30321 22189 04h 46m 24.15s −02° 57′ 15.8″ 6.33 1.68 277 A2V
HD 33946 33946 24377 05h 13m 47.25s +00° 33′ 37.7″ 6.33 −0.70 832 M0V suspected variable
HD 34648 34748 24847 05h 19m 35.28s −01° 24′ 42.8″ 6.33 −2.45 1863 B1.5Vn
HD 35407 35407 25288 05h 24m 36.10s +02° 21′ 11.4″ 6.33 −1.55 1226 B4IVn
HD 36285 36285 25786 05h 30m 20.75s −07° 26′ 05.3″ 6.33 −1.53 1216 B2IV-V
HD 31739 31739 23092 04h 58m 10.90s −02° 12′ 46.0″ 6.34 0.62 454 A2V
V1649 Ori V1649 35242 25205 05h 23m 31.08s +05° 19′ 23.0″ 6.34 1.96 245 A2V δ Sct variable
HD 35909 35909 25638 05h 28m 34.77s +13° 40′ 44.5″ 6.35 1.38 322 A4V
HD 44867 44867 30517 06h 24m 52.76s +16° 03′ 26.0″ 6.35 0.99 385 G9III
HD 35775 35775 25505 05h 27m 15.40s +02° 20′ 28.3″ 6.36 0.78 425 K0
HD 42351 42351 29326 06h 11m 01.77s +18° 07′ 49.7″ 6.37 −3.18 2650 K1II suspected variable
HD 43358 43358 29746 06h 15m 53.98s +01° 10′ 08.4″ 6.37 1.53 303 F5IV:
HD 36058 36058 25667 05h 28m 56.91s −03° 18′ 26.7″ 6.39 −0.45 762 A0Vn
θ2 Ori B θ2 43 37042 05h 35m 26.40s −05° 25′ 00.7″ 6.38 1895 B2-B5 component of the θ2 Ori system; suspected variable
HD 43335 43335 29798 06h 16m 23.79s +17° 10′ 53.9″ 6.39 −0.35 728 K5II
HD 34880 34880 24925 05h 20m 26.41s −05° 22′ 03.1″ 6.40 −0.19 679 B8III
V1377 Ori V1377 37055 26263 05h 35m 35.90s −03° 15′ 10.2″ 6.40 −3.12 2608 B3IV slowly pulsating B star
HD 35656 35656 25453 05h 26m 38.82s +06° 52′ 07.5″ 6.41 1.55 305 A0Vn
HD 35912 35912 25582 05h 28m 01.47s +01° 17′ 53.7″ 6.41 −1.35 1160 B2V
HD 37904 37904 26820 05h 41m 40.31s −02° 53′ 47.5″ 6.41 1.80 273 A9IV-V suspected variable
HD 31423 31423 22938 04h 56m 09.02s +07° 54′ 17.3″ 6.42 2.57 192 F5
HD 34317 34317 24607 05h 16m 41.05s +01° 56′ 50.4″ 6.42 0.07 608 A0V variable star, ΔV = 0.008m, P = 1.75 d
HD 34878 34878 24960 05h 20m 43.74s +02° 32′ 41.0″ 6.43 0.91 415 G8IV
V1357 Ori V1357 42807 29525 06h 13m 12.46s +10° 37′ 40.3″ 6.44 5.15 59 G8V RS CVn variable, Vmax = 6.44m, Vmin = 6.49m
HD 35575 35575 25368 05h 25m 36.50s −01° 29′ 28.7″ 6.44 −0.49 791 B3V
HD 32273 32273 23419 05h 02m 00.03s +01° 36′ 31.8″ 6.45 0.49 508 B8V suspected variable
HD 36814 36814 26104 05h 34m 02.48s −07° 01′ 25.1″ 6.45 0.00 637 K0
V1389 Ori V1389 42787 29509 06h 12m 59.57s +06° 00′ 58.6″ 6.45 −0.24 709 M... semiregular variable
HD 37808 V1051 37808 26728 05h 40m 46.19s −10° 24′ 31.20″ 6.46 0.38 536 B9.5IIIp Si α2 CVn variable, ΔV = 0.02m, P = 1.10 d
V1369 Ori V1369 34959 25011 05h 21m 19.31s +04° 00′ 43.1″ 6.49 −1.42 1244 B5Vp Be star
HD 36150 36150 25732 05h 29m 41.59s −00° 48′ 08.7″ 6.49 1.09 391 A2 variable star
HD 37635 37635 26623 05h 39m 30.84s −09° 42′ 23.8″ 6.49 0.29 566 B7V
HD 31411 31411 22923 04h 55m 58.36s +05° 23′ 56.6″ 6.50 0.62 489 A0V
HD 37150 37150 26314 05h 36m 15.03s −05° 38′ 52.5″ 6.51 1270 B3Vv suspected variable
HD 37017 V1046 37017 26233 05h 35m 21.87s −04° 29′ 39.02″ 6.56 1240 B1.5V eclipsing binary and SX Ari variable, Vmax = 6.54m, Vmin = 6.58m, P = 0.95 d
σ Ori E σ 48 V1030 37479 05h 38m 47.19s −02° 35′ 40.5″ 6.61 1148 B2Vp component of the σ Ori system; prototype helium-rich star; SX Ari variable, Vmax = 6.61m, Vmin = 6.77m, P = 1.19 d
HD 43317 43317 29739 06h 15m 47.01s +04° 17′ 01.1″ 6.62 1200 B3IV slowly pulsating B star and β Cep variable, ΔV = 0.01m, P = 0.91 d
σ Ori D σ 48 37468 05h 38m 45.62s −02° 35′ 58.9″ 6.62 1148 B2V component of the σ Ori system
θ1 Ori D θ1 D 41 37023 26224 05h 35m 17.20s −05° 23′ 15.7″ 6.71 1600 B1.5Vp component of the Trapezium; suspected variable
θ1 Ori A θ1 A 41 37020 26220 05h 35m 15.82s −05° 23′ 14.3″ 6.73 1600 B0.5V component of the Trapezium; triple star system; Algol variable, Vmax = 6.72m, Vmin = 7.65m, P = 65.43 d
HD 35155 V1261 35155 25092 05h 22m 18.64s −08° 35′ 58.0″ 6.77 939 S4,1 Z And and rotating ellipsoidal variable, Vmax = 6.68m, Vmin = 7.08m, P = 641 d
Mintaka C δ 34 36485 25930 05h 32m 00.50s −00° 17′ 04.0″ 6.83 916 B2V component of the Mintaka system; suspected variable
HD 42618 42618 29432 06h 12m 01.0s +06° 46′ 59″ 6.84 77 G4V has a planet (b)
KX Ori KX 36958 05h 35m 04.79s −04° 43′ 54.6″ 6.90 B3V Orion variable
Gliese 205 36395 25878 05h 31m 27.50s −03° 40′ 38.0″ 6.97 19 M1.5V
V901 Ori V901 37776 26742 05h 40m 56.37s −01° 30′ 25.9″ 6.97 1080 B2IV SX Ari variable, Vmax = 6.97m, Vmin = 7.02m, P = 1.54 d
HD 33636 33636 24205 05h 11m 46.45s +04° 24′ 12.7″ 7.06 92 G0VCH-0.3 binary star
HD 31253 31253 22826 04h 54m 44s +12° 21′ 08″ 7.13 175.5 F8 has a planet (b)
S Ori S 36090 25673 05h 29m 00.89s −04° 41′ 32.8″ 7.20 3662 M6.5-7.5e Mira variable, Vmax = 7.2m, Vmin = 13.1m, P = 444 d
HD 37824 V1149 37824 26795 05h 41m 26.79s +03° 46′ 40.9″ 7.2 446 G5 RS CVn variable, ΔV = 0.11m, P = 3.88 d
HD 34137 34137 24482 05h 15m 11.87s +01° 33′ 22.14″ 7.24 −0.34 2300 K2III
HD 37058 V359 37058 05h 35m 33.36s −04° 50′ 15.2″ 7.30 B3Vp SX Ari variable, Vmax = 7.25m, Vmin = 7.36m, P = 15.26 d
HD 34445 34445 24681 05h 17m 40.98s +07° 21′ 12.0″ 7.31 3.97 152 G0 has six planets (b, c, d, e, f & g)
HD 37151 V1179 37151 26304 05h 36m 06.23s −07° 43′ 27.3″ 7.37 627 B8V α2 CVn variable, ΔV = 0.1m
V1192 Ori V1192 31993 23245 05h 00m 08.22s +03° 17′ 12.0″ 7.50 721 K2III RS CVn variable, Vmax = 7.5m, Vmin = 7.57m, P = 29.5 d
HD 36629 36629 26000 05h 32m 57.08s −04° 34′ 59.3″ 7.65 B2Vv has a subdwarf companion; suspected variable
HD 37903 37903 26816 05h 41m 38.39s −02° 15′ 32.5″ 7.83 970 B1.5V illuminates NGC 2023; suspected variable
HD 35298 V1156 35298 25235 05h 23m 50.36s +02° 04′ 55.8″ 7.89 1730 B7IV SX Ari variable, ΔV = 0.03m, P = 1.85 d
HD 37806 37806 26752 05h 41m 02.29s −02° 43′ 00.7″ 7.90 1600 A2Vpe Orion variable, Vmax = 7.86m, Vmin = 8.08m
θ1 Ori B θ1 B 41 BM 37021 05h 35m 16.10s −05° 23′ 07.0″ 7.96 1600 B1V component of the Trapezium; quintuple star system; Algol variable, Vmax = 7.9m, Vmin = 8.65m, P = 6.47 d
HD 38677 38677 27305 05h 47m 06.0s −10° 37′ 49″ 8.0 202 F8V has four planets (b, c, d & e)
V372 Ori V372 36917 05h 34m 46.98s −05° 34′ 14.59″ 8.03 A0V Orion variable, Vmax = 7.94m, Vmin = 8.13m
HD 36668 V1107 36668 26048 05h 33m 26.06s +00° 37′ 16.9″ 8.06 811 B8V SX Ari variable, ΔV = 0.02m, P = 2.12 d
HD 38801 38801 27384 05h 47m 59.18s −08° 19′ 39.7″ 8.26 3.47 296 K0IV has a planet (b)
HD 39392 39392 27828 05h 53m 19.0s +22° 04′ 20″ 8.38 307 F8 has a planet (b)
RS Ori RS 44415 30286 06h 22m 13.19s +14° 40′ 41.3″ 8.42 4020 F4Ib classical Cepheid, Vmax = 8.01m, Vmin = 8.88m, P = 7.57 d
σ Ori C σ 48 05h 38m 44.12s −02° 36′ 06.3″ 8.79 1148 A2V component of the σ Ori system
HD 37605 37605 26664 05h 40m 01.73s +06° 03′ 38.1″ 8.69 5.53 140 K0 has two planets
V351 Ori V351 38238 27059 05h 44m 18.79s +00° 08′ 40.4″ 8.87 547 A7IIIe UX Ori star and δ Sct variable, Vmax = 8.7m, Vmin = 9.8m, P = 0.06 d
V2689 Ori V2689 245409 26335 05h 36m 30.99s +11° 19′ 40.32″ 8.90 37 K7-M0V passed near the sun 500,000 years ago; BY Dra variable, Vmax = 8.80m, Vmin = 9.85m, P = 12.13 d
HD 290327 290327 25191 05h 23m 21.56s −02° 16′ 39.4″ 8.96 5.26 179 G5IV has a planet
DN Ori DN 40632 28456 06h 00m 28.35s +10° 13′ 05.0″ 9.15 942 A2e Algol variable
V1355 Ori V1355 291095 06h 02m 40.36s −00° 51′ 37.3″ 9.19 K0-2IV RS CVn variable, Vmax = 8.97m, Vmin = 9.35m
FT Ori FT 42858 06h 13m 58.15s +21° 25′ 39.2″ 9.29 A0 Algol variable, Vmax = 9.1m, Vmin = 9.9m, P = 3.15 d
ER Ori ER 24156 05h 11m 14.51s −08° 33′ 24.7″ 9.46 1340 G1V: W UMa variable, Vmax = 9.28m, Vmin = 10.01m, P = 0.42 d
HD 250550 V1307 250550 28582 06h 01m 59.99s +16° 30′ 56.7″ 9.48 B9e Orion variable, ΔV = 0.35m
UX Ori UX 293782 23602 05h 04m 29.99s −03° 47′ 14.3″ 9.48 913 A4IVe prototype UX Ori star, Vmax = 9.48m, Vmin = 12.5m
EY Ori EY 36412 25863 05h 31m 18.41s −05° 42′ 13.5″ 9.49 A7V Algol variable, Vmax = 9.43m, Vmin = 10.13m, P = 16.79 d
BN Ori BN 05h 36m 29.35s +06° 50′ 02.2″ 9.60 F4e T Tau star, Vmax = 9.60m, Vmin = 9.70m, P = 0.65 d
FU Ori FU 05h 45m 22.36s +09° 04′ 12.4″ 9.60 F0Iab prototype FU Orionis star
BF Ori BF 26403 05h 37m 13.26s −06° 35′ 00.6″ 9.69 A7III UX Ori star, Vmax = 9.69m, Vmin = 13.47m
Gliese 221 27803 05h 53m 00.28s −05° 59′ 41.4″ 9.69 66 K7V/M0V has 2 planets
V586 Ori V586 37258 05h 36m 59.25s −06° 09′ 16.4″ 9.77 A3V UX Orionis star, Vmax = 9.48m, Vmin = 11.41m
HD 37411 V1788 37411 05h 38m 14.51s −05° 25′ 13.3″ 9.79 B9Ve Orion variable, Vmax = 9.76m, Vmin = 9.85m
BD +03 740 23344 05h 01m 16.62s +04° 06′ 37.0″ 9.81 371 sd:F0 metal-poor star
HD 34282 V1366 34282 24552 05h 16m 00.48s −09° 48′ 35.4″ 9.84 622 A0 UX Ori star and δ Sct variable, Vmax = 9.75m, Vmin = 10.62m
EW Ori EW 287727 05h 20m 09.15s +02° 02′ 40.0″ 9.9 F8 Algol variable, Vmax = 9.9m, Vmin = 10.6m, P = 6.94 d
V1162 Ori V1162 05h 32m 01.99s −07° 15′ 24.6″ 9.9 A6mF2 δ Sct variable
Z Ori Z 249313 28045 05h 55m 50.93s +13° 41′ 42.0″ 9.98 B4V... Algol variable
GW Ori GW 244138 25689 05h 29m 08.39s +11° 52′ 12.7″ 10.10 896 G5/8Ve triple star; T Tau star
WASP-82 04h 50m 39.0s +01° 53′ 38″ 10.1 652 F5 has a transiting planet (b)
V1005 Ori V1005 23200 04h 59m 34.83s +01° 47′ 00.7″ 10.11 84 M0Ve T Tau star and flare star, ΔV = 0.067m, P = 4.41 d
V346 Ori V346 287841 25299 05h 24m 42.80s +01° 43′ 48.3″ 10.17 1570 A UX Ori star and δ Sct variable, Vmax = 10.1m, Vmin = 10.9m, P = 0.03 d
CO Ori CO 25540 05h 27m 38.34s +11° 25′ 39.0″ 10.30 1060 F7Ve UX Ori star, Vmax = 10.0m, Vmin = 12.8m
FZ Ori FZ 288166 05h 41m 21.01s +02° 36′ 23.0″ 10.70 G0 W UMa variable, Vmax = 10.7m, Vmin = 11.3m, P = 0.40 d
V380 Ori V380 26327 05h 36m 25.43s −06° 52′ 57.7″ 10.7 A1e quadruple star; UX Ori star
GG Ori GG 290842 05h 43m 10.22s −00° 41′ 14.9″ A2 Algol variable
HK Ori HK 05h 31m 28.05s +12° 09′ 10.3″ 11.20 A2?e+G0?e UX Ori star, Vmax = 11.2m, Vmin = 12.3m
T Ori T 05h 35m 50.44s −05° 28′ 34.9″ 11.25 A3IVeb UX Ori star, Vmax = 9.5m, Vmin = 12.6m
DY Ori DY 06h 06m 14.91s +13° 54′ 19.1″ 11.29 RV Tau variable, Vmax = 11.2m, Vmin = 12.2m, P = 60.84 d
LkHα 208 06h 07m 49.54s +18° 39′ 26.5″ 11.30 1000 F0Ve associated with a bipolar nebula
GJ 3379 06h 00m 03.50s +02° 42′ 23.7″ 11.31 17 M4.0V
FH Ori FH 243229 05h 23m 18.62s +04° 15′ 38.2″ 11.37 A2 Algol variable
θ1 Ori E θ1 E 41 05h 35m 15.77s −05° 23′ 10.02″ 11.4 1600 G2IV+G2IV component of the Trapezium; Algol variable and T Tau star, ΔV = 0.1m, P = 9.90 d
V371 Ori V371 26081 05h 33m 44.81s +01° 56′ 43.4″ 11.50 51 M2.5V Wachmann's Flare Star; flare star
Ross 87 V1352 26857 05h 42m 09.27s +12° 29′ 21.6″ 11.51 19 M4.0V BY Dra variable, Vmax = 11.48m, Vmin = 11.55m
Gliese 179 22627 04h 52m 05.73s +06° 28′ 35.5″ 11.96 7.41 40 M3.5 has a planet
GP Ori GP 286340 05h 02m 48.07s +15° 19′ 12.6″ 12.20 SC7/8 semiregular variable
RX J0529.4+0041 V1642 05h 29m 20.65s +00° 41′ 28.0″ 12.30 K2 Algol variable, Vmax = 12.03m, Vmin = 13.07m, P = 3.04 d
GU Ori GU 06h 10m 04.62s +12° 49′ 46.6″ W UMa variable, Vmax = 12.5m, Vmin = 13.3m, P = 0.47 d
YY Ori YY 05h 34m 47.53s −05° 57′ 56.9″ 13.20 K2IVe prototype YY Orionis star
LV 2 θ1 G 41 05h 35m 16.72s −05° 23′ 16.6″ 13.68 1600 K0.7 component of the Trapezium; has a protoplanetary disk
G 99-47 V1201 05h 56m 25.47s +05° 21′ 48.6″ 14.10 26 DA8P variable white dwarf, Vmax = 13m, Vmin = 14.12m
V1118 Ori V1118 05h 34m 44.75s −05° 33′ 42.2″ 14.43 M1e EXor
LP 658-2 05h 55m 09.49s −04° 10′ 04.3″ 14.45 21 DZ11
G 99-37 05h 51m 19.48s −00° 10′ 21.3″ 14.60 36 DQ8P strongly magnetized white dwarf
V1159 Ori V1159 05h 28m 59.57s −03° 33′ 52.3″ ER UMa variable
VY Ori VY 05h 33m 35.89s −05° 01′ 32.49″ 14.9 variable star
V1309 Ori V1309 05h 15m 41.41s +01° 04′ 40.5″ 15.2 WD+M0V polar, Vmax = 15.2m, Vmin = 18.2m
CN Ori CN 05h 52m 07.79s −05° 25′ 00.5″ 16.2 SS Cyg variable, Vmax = 12.1m, Vmin = 16.2m
CZ Ori CZ 06h 16m 43.23s +15° 24′ 11.3″ 17.6 SS Cygni variable, Vmax = 12.1m, Vmin = 17.6m
V1647 Ori V1647 05h 46m 13.14s −00° 06′ 04.8″ 18.1 EXor, Vmax = 18.1m, Vmin = <20m
4U 0614+091 V1055 06h 17m 07.3s +09° 08′ 13″ 18.5 low-mass X-ray binary; producing relativistic jets
Becklin–Neugebauer Object V2254 05h 35m 14.11s −05° 22′ 22.7″ B Orion variable; well-studied protostar
2MASS J05352184-0546085 V2384 05h 35m 21.84s −05° 46′ 08.6″ M7 eclipsing binary brown dwarf
OMC-2 FIR 4 V2457 05h 35m 26.97s −05° 09′ 54.5″ M7 has a circumstellar disk; Orion variable
Orion Source I 05h 35m 14.51s −05° 22′ 30.4″ protostellar binary
Reipurth 50 05h 40m 27.45s −07° 27′ 30.1″ suspected FU Ori star
S Ori 70 05h 38m 10.10s −02° 26′ 26.0″ T6 possibly a rogue planet
WISE J0521+1025 05h 21m 26.30s +10° 25′ 28.5″ 16 brown dwarf
Table legend:

See also

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References

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