Orion (Ori)
Here is a listing of 86 double stars in Orion. Doubles which have stars that show colour are marked in shaded rows. The names of the stars contains a link to the Simbad entry for it, containing more information.
| Name | Sep | PA | Mag1 | Mag2 | RA | Dec | Spect | Comments |
|---|---|---|---|---|---|---|---|---|
| STF 589 | 4.3 | 288 | 8.0 | 8.0 | 04:44.9 | +05:17 | G5 | |
| A 2037 | 2.9 | 79 | 7.5 | 12.5 | 04:47.1 | +10:02 | A2 | |
| STF 609 | 2.4 | 72 | 8.5 | 8.5 | 04:51.8 | +01:14 | F8 | |
| STF 612 | 16.7 | 198 | 7.5 | 8.0 | 04:54.3 | +07:22 | K0 | |
| STF 622 | 2.4 | 167 | 8.0 | 8.0 | 04:58.1 | +01:40 | F5 | |
| STF 620 | 3.9 | 236 | 8.5 | 9.5 | 04:58.3 | +13:57 | G0 | |
| SH 49 | 39.4 | 305 | 5.0 | 6.5 | 04:59.0 | +14:32 | B9 | |
| STF 627 | 21.0 | 260 | 6.5 | 7.0 | 05:00.4 | +03:37 | A0 | |
| A2630 | 14.4 | 50 | 7.0 | 8.0 | 05:02.0 | +01:36 | B8 | |
| ADS 3650 | 52.2 | 322 | 7.0 | 8.0 | 05:03.7 | -02:31 | K0 | Red/White |
| STF 643 | 2.8 | 300 | 8.5 | 8.5 | 05:07.9 | +08:23 | K2 | |
| STT 100 | 3.9 | 252 | 7.0 | 10.0 | 05:10.0 | +08:10 | F8 | |
| STF 652 | 1.7 | 182 | 6.5 | 7.5 | 05:11.8 | +01:02 | F5 | |
| A 51 | 1.6 | 101 | 8.5 | 9.0 | 05:12.5 | -03:02 | B9 | |
| RHO ORI | 7.0 | 63 | 4.5 | 8.5 | 05:13.3 | +02:51 | A2 | Binary |
| RIGEL (BETA) | 9.4 | 202 | 0.0 | 7.0 | 05:14.5 | -08:11 | B8 | |
| STF 667 | 4.0 | 312 | 7.5 | 9.0 | 05:14.7 | -07:03 | K2 | |
| HU 1224 | 1.0 | 123 | 8.0 | 9.0 | 05:14.8 | +12:31 | A0 | |
| STF 664 | 5.0 | 172 | 7.5 | 8.0 | 05:15.1 | +08:26 | F0 | |
| TAU ORI | 36.2 | 60 | 4.0 | 11.0 | 05:17.6 | -06:50 | B5 | |
| STF 678 | 3.6 | 102 | 8.5 | 9.0 | 05:17.7 | +04:41 | F0 | |
| STF 688 | 10.3 | 273 | 7.0 | 7.5 | 05:19.4 | -10:44 | F0 | |
| STF 692 | 35.1 | 4 | 8.0 | 8.5 | 05:20.4 | -08:02 | F2 | Primary is a close double, sep 0.5 mags 8/9 |
| BU 189 | 4.2 | 284 | 7.0 | 11.5 | 05:20.5 | -05:22 | B9 | |
| STF 693 | 3.9 | 9 | 8.5 | 9.0 | 05:21.6 | -02:03 | A2 | |
| STT 106 | 9.3 | 42 | 7.0 | 10.5 | 05:22.2 | +05:23 | F5 | |
| A 2641 | 1.0 | 328 | 8.5 | 11.0 | 05:22.6 | +02:36 | G5 | True Binary |
| 23 ORI | 32.0 | 28 | 5.0 | 7.0 | 05:22.8 | +03:32 | B1/A | |
| STF 700 | 4.7 | 5 | 8.0 | 8.0 | 05:23.1 | +01:03 | A0 | |
| STF 701 | 6.0 | 141 | 6.5 | 8.5 | 05:23.3 | -08:25 | B8 | |
| STF 697 | 26.0 | 285 | 7.0 | 8.0 | 05:23.5 | +16:02 | B8 | |
| A 847 | 2.7 | 160 | 6.5 | 7.5 | 05:23.8 | -00:52 | AB | |
| ETA ORI | 1.5 | 77 | 4.0 | 5.0 | 05:24.5 | -02:23 | B0 | |
| STF 708 | 3.0 | 325 | 8.5 | 10.0 | 05:25.2 | +01:55 | B9 | |
| STF 712 | 3.2 | 62 | 7.0 | 9.0 | 05:26.5 | +02:56 | B9 | |
| PSI ORI | 2.7 | 324 | 5.0 | 11.0 | 05:26.8 | +03:05 | B2 | |
| HJ 2268 | 27.1 | 300 | 7.0 | 9.5 | 05:28.7 | -08:22 | G5 | |
| ADS 4080 | 5.7 | 49 | 8.5 | 9.0 | 05:29.1 | -02:00 | F5 | Third component at 102 pa 111 mag8.5, third is a binary sep 16.9 pa 355 mag 10 |
| STF 721 | 24.7 | 149 | 7.0 | 9.0 | 05:29.5 | +03:09 | B3 | |
| 31 ORI | 12.7 | 87 | 6.0 | 11.0 | 05:29.7 | -01:05 | K4 | |
| 32 ORI | 0.7 | 54 | 5.0 | 6.5 | 05:30.8 | +05:57 | B5 | |
| STF 726 | 1.4 | 262 | 8.0 | 8.5 | 05:30.9 | +10:15 | B9 | |
| 33 ORI | 2.0 | 26 | 6.0 | 7.5 | 05:31.2 | +03:17 | B1 | |
| STF 731 | 4.8 | 326 | 8.5 | 9.0 | 05:31.3 | -02:05 | A0 | |
| DELTA ORI (MINTAKA) | 52.8 | 360 | 2.0 | 6.5 | 05:32.0 | -00:17 | B2 | Eclipsing binary |
| BU 1048 | 2.0 | 357 | 6.0 | 10.5 | 05:32.7 | -01:35 | B2 | |
| STF 734 | 1.5 | 355 | 7.0 | 8.5 | 05:33.1 | -01:42 | B3 | Third component at 27.7 pa 243 mag 8.3, b is also a very close binary sep 0.5 mag 8.5 |
| SAO 132269 | 27.5 | 269 | 7.0 | 10.5 | 05:34.0 | -01:02 | B3 | |
| STF 743 | 2.0 | 278 | 7.0 | 8.0 | 05:34.7 | -04:23 | B8 | |
| STF 747 | 36.0 | 223 | 5.5 | 6.5 | 05:35.0 | -06:00 | B1/B0 | |
| LAMBDA ORI | 4.4 | 44 | 4.0 | 6.0 | 05:35.2 | +09:55 | O8 | Third component at 29.1 pa 184 mag 11 fourth component at 78.3 pa 271 mag 11.5 |
| STT 111 | 2.6 | 349 | 6.0 | 10.0 | 05:35.3 | +10:14 | B8 | |
| 41-THETA1 ORI | 13.3 | 61 | 5.0 | 6.0 | 05:35.3 | -05:23 | O | Trapezium mags 5, 6, 7 and 8. |
| 42 ORI | 1.6 | 212 | 5.5 | 8.5 | 05:35.4 | -04:50 | B2 | |
| 43-THETA2 ORI | 52.5 | 92 | 5.0 | 6.5 | 05:35.4 | -05:25 | O9 | Part of the Orion Nebula group |
| IOTA ORI | 11.4 | 141 | 3.0 | 7.0 | 05:35.4 | -05:54 | B9 | in NGC 1980 |
| STF 750 | 4.3 | 60 | 6.0 | 8.0 | 05:35.5 | -04:22 | B2 | |
| STF 751 | 15.6 | 123 | 8.0 | 9.0 | 05:35.7 | -00:59 | B9 | |
| STF 754 | 5.3 | 287 | 6.5 | 9.5 | 05:36.6 | -06:04 | B3 | |
| STF 757 | 1.6 | 237 | 8.0 | 8.0 | 05:38.2 | -00:11 | B9 | third component is at 51.8 pa 86 mat 8.5 is also a close double sep 11.2 mat 8.5/9.0 STF 758 |
| STF 761 | 68.3 | 202 | 8.0 | 8.5 | 05:38.6 | -02:34 | B5 | part of sigma ori group |
| SIGMA ORI | 12.9 | 84 | 4.0 | 7.5 | 05:38.7 | -02:36 | B3 | primar is a close binary. other components at 11.2 pa 236 mag 10 - 42.0 pa 61 mag 6.5 |
| STF 763 | 5.6 | 318 | 8.0 | 8.5 | 05:39.3 | +10:15 | F8 | |
| STT 113 | 10.2 | 28 | 7.0 | 10.5 | 05:39.9 | +13:01 | A0 | |
| STF 766 | 10.0 | 275 | 7.0 | 8.0 | 05:40.3 | +15:21 | F0 | |
| null | 2.6 | 164 | 2.0 | 5.5 | 05:40.7 | -01:56 | O9 | |
| BU 1052 | 0.7 | 172 | 7.0 | 8.0 | 05:41.7 | -02:53 | F0 | |
| STF 788 | 7.4 | 90 | 7.5 | 9.0 | 05:44.7 | +03:50 | B9 | |
| STF 790 | 7.0 | 88 | 7.0 | 9.0 | 05:46.1 | -04:15 | K1 | |
| STT 119 | 0.8 | 334 | 7.5 | 8.5 | 05:47.9 | +07:57 | F8 | |
| 52 ORI | 1.2 | 211 | 6.0 | 6.0 | 05:48.0 | +06:26 | A5/F0 | |
| J 36 | 1.7 | 109 | 7.0 | 9.5 | 05:48.2 | +03:53 | F8 | |
| STF 798 | 20.7 | 181 | 7.0 | 9.0 | 05:48.2 | -08:23 | B9 | |
| STF 797 | 7.2 | 15 | 7.0 | 10.0 | 05:48.5 | +04:41 | A0 | |
| STF 809 | 1.1 | 105 | 8.0 | 10.0 | 05:50.6 | -01:26 | G5 | third component sep 24.6 pa 97 mag 8.5 |
| STT 123 | 2.1 | 183 | 7.0 | 8.5 | 05:54.2 | +10:14 | G5 | |
| STF 813 | 3.0 | 150 | 8.0 | 8.0 | 05:54.3 | +18:53 | A0 | |
| STF 816 | 4.4 | 289 | 6.0 | 8.5 | 05:54.9 | +05:51 | B9 | |
| STF 817 | 18.4 | 73 | 8.0 | 8.0 | 05:54.9 | +07:02 | A5 | |
| S 503 | 26.9 | 326 | 7.0 | 9.0 | 05:56.0 | +13:56 | AB | |
| BU 1189 | 57.6 | 194 | 8.0 | 8.5 | 05:57.5 | +00:24 | A | primary is a close binary sep 0.2 |
| 59 ORI | 36.5 | 204 | 6.0 | 9.5 | 05:58.4 | +01:50 | A5 | |
| STF 826 | 2.0 | 127 | 8.0 | 9.0 | 05:58.9 | -01:19 | B9 | |
| STT 125 | 1.6 | 360 | 7.0 | 8.5 | 06:02.4 | +09:38 | A0 | |
| STF 835 | 2.2 | 147 | 8.0 | 9.0 | 06:04.9 | +18:18 | A3 | |
| STF 838 | 40.0 | 327 | 7.0 | 9.0 | 06:05.2 | +00:51 | K0 |