Ursa Major (UMa)
Here is a listing of 94 double stars in Ursa Major. 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 1192 | 2.8 | 258 | 7.0 | 10.5 | 08:15.8 | +60:22 | F0 | Third component sep 48.6, pa 224 mag 10 |
| STF 1193 | 43.1 | 87 | 6.0 | 9.0 | 08:20.7 | +72:24 | K5 | |
| STF 1258 | 9.7 | 331 | 7.0 | 7.5 | 08:43.4 | +48:52 | F0 | |
| STF 1279 | 1.3 | 269 | 8.5 | 8.5 | 08:49.9 | +39:35 | G0 | |
| STF 1275 | 2.0 | 197 | 8.0 | 8.0 | 08:51.5 | +57:31 | F0 | |
| STF 1280 | 1.9 | 77 | 7.5 | 7.5 | 08:55.9 | +70:48 | K5 | |
| BU 408 | 2.9 | 343 | 8.0 | 10.5 | 08:59.1 | +63:25 | G5 | |
| IOTA UMA | 4.5 | 16 | 3.0 | 10.0 | 08:59.3 | +48:02 | A7 | b is a binary sep 0.2 |
| STF 1312 | 4.5 | 149 | 7.5 | 8.0 | 09:10.3 | +52:22 | A5 | |
| STF 1306 | 2.4 | 20 | 5.0 | 8.5 | 09:10.4 | +67:07 | AB | |
| TAU UMA | 57.1 | 48 | 5.0 | 10.5 | 09:10.9 | +63:30 | AM | Optical double |
| STF 1315 | 24.8 | 27 | 7.0 | 7.0 | 09:12.8 | +61:40 | A0 | |
| STF 1318 | 2.9 | 237 | 7.5 | 8.5 | 09:13.7 | +46:59 | F8 | |
| STF 1321 | 18.1 | 82 | 7.5 | 7.5 | 09:14.9 | +52:42 | M0 | binary about 700 years |
| SAO 27215 | 5.7 | 132 | 6.0 | 10.0 | 09:20.8 | +51:16 | F3 | |
| STF 1331 | 1.0 | 143 | 8.0 | 8.0 | 09:20.8 | +61:21 | A5 | |
| STF 1340 | 6.2 | 319 | 6.5 | 8.5 | 09:22.6 | +49:33 | B9 | |
| 21 UMA | 5.7 | 311 | 7.0 | 8.0 | 09:24.6 | +54:02 | A2 | third component sep 97.3 pa 189 mag 11 |
| STT 200 | 1.6 | 337 | 6.5 | 8.5 | 09:25.0 | +51:34 | G0 | |
| SAO 42876 | 77.3 | 162 | 5.5 | 7.0 | 09:28.7 | +45:36 | G5/F8 | |
| STF 1358 | 23.5 | 164 | 7.5 | 8.5 | 09:30.9 | +44:40 | M6 | |
| STF 1349 | 19.2 | 166 | 7.0 | 8.0 | 09:31.1 | +67:32 | A2 | |
| 23 UMA | 23.0 | 271 | 4.0 | 9.0 | 09:31.5 | +63:03 | F0 | third component sep 99.6 pa 231 mag 10.5 |
| STF 1350 | 10.4 | 248 | 7.0 | 7.0 | 09:34.3 | +66:47 | F5 | |
| STF 1363 | 10.7 | 360 | 7.5 | 11.0 | 09:35.3 | +60:53 | F0 | |
| STF 1376 | 5.1 | 311 | 8.0 | 8.0 | 09:45.1 | +43:14 | F5 | |
| UPSILON UMA | 11.6 | 293 | 4.0 | 11.5 | 09:51.1 | +59:02 | F2 | |
| STF 1381 | 1.1 | 201 | 8.5 | 8.5 | 09:51.2 | +60:36 | G0 | |
| SAO 27416 | 4.7 | 309 | 7.0 | 10.0 | 09:53.3 | +50:36 | G5 | |
| SAO 15013 | 14.2 | 124 | 7.5 | 11.0 | 09:53.9 | +64:47 | K0 | |
| STF 1386 | 2.1 | 112 | 9.0 | 9.0 | 09:55.1 | +68:53 | F5 | near M81 |
| STF 1398 | 2.2 | 128 | 8.0 | 11.0 | 10:01.6 | +68:43 | F0 | Near NGC 3077 mag 10.8 |
| STT 210 | 1.0 | 260 | 7.5 | 8.5 | 10:02.5 | +46:21 | G5 | |
| STF 1402 | 27.2 | 102 | 8.0 | 9.5 | 10:05.0 | +55:29 | K5/G0 | |
| STF 1407 | 5.2 | 53 | 9.0 | 9.5 | 10:09.1 | +64:26 | K7 | |
| STF 1415 | 16.7 | 167 | 6.5 | 7.0 | 10:17.9 | +71:02 | A3 | Third component sep 150 pa 14 mag 10.5 |
| STF 1427 | 9.4 | 213 | 7.0 | 7.5 | 10:22.0 | +43:53 | F5 | |
| STF 1428 | 3.1 | 87 | 7.5 | 8.0 | 10:26.0 | +52:27 | F5 | |
| SAO 15199 | 47.3 | 66 | 7.5 | 11.3 | 10:30.4 | +63:21 | K0 | |
| BU 1074 | 2.5 | 208 | 7.0 | 11.0 | 10:35.5 | +45:39 | K0 | |
| STT 222 | 4.4 | 340 | 6.5 | 10.5 | 10:38.4 | +60:08 | F8 | |
| STF 1460 | 3.5 | 164 | 8.0 | 8.0 | 10:40.6 | +42:09 | F2 | |
| STF 1462 | 8.0 | 172 | 8.0 | 9.5 | 10:42.8 | +50:48 | A3 | |
| STF 1463 | 7.6 | 259 | 8.5 | 9.0 | 10:42.9 | +46:41 | G5 | |
| STF 1465 | 2.0 | 10 | 8.5 | 9.0 | 10:43.2 | +44:37 | K2 | |
| STF 1469 | 11.0 | 322 | 7.0 | 10.0 | 10:47.7 | +65:27 | F8 | Near Carbon Star SAO 15287 |
| STT 229 | 0.7 | 290 | 6.5 | 7.0 | 10:48.1 | +41:06 | A3 | |
| STF 1483 | 2.8 | 67 | 9.0 | 9.0 | 10:54.5 | +47:30 | G5 | |
| STF 1495 | 34.3 | 37 | 6.0 | 8.5 | 11:00.1 | +58:54 | K2 | |
| DUBHE ALPHA UMA | 0.6 | 285 | 2.0 | 5.0 | 11:03.8 | +61:44 | K0 | |
| 51 UMA | 8.1 | 251 | 6.0 | 12.0 | 11:04.5 | +38:14 | A3 | |
| HO 378 | 0.8 | 234 | 8.0 | 8.0 | 11:05.0 | +38:24 | F2 | |
| STF 1510 | 5.0 | 332 | 7.0 | 8.5 | 11:08.0 | +52:49 | F5 | |
| STF 1512 | 9.9 | 52 | 8.0 | 8.5 | 11:09.2 | +62:29 | A2 | |
| STT 231 | 35.0 | 264 | 8.0 | 9.0 | 11:11.0 | +30:26 | A2 | Third component sep 174 pa 332 mag 9 |
| HO 254 | 2.5 | 163 | 6.5 | 12.5 | 11:13.3 | +33:26 | K0 | |
| HO 50 | 3.1 | 32 | 7.0 | 10.0 | 11:13.7 | +41:05 | K0 | |
| STF 1520 | 12.6 | 344 | 6.5 | 8.0 | 11:16.1 | +52:46 | F2 | |
| 53 UMA | 2.9 | 129 | 4.5 | 5.0 | 11:18.2 | +31:32 | G0 | |
| STF 1524 | 7.2 | 147 | 4.0 | 10.0 | 11:18.5 | +33:05 | K3 | |
| STT 233 | 4.9 | 335 | 7.0 | 10.0 | 11:18.8 | +66:40 | F0 | |
| STF 1525 | 2.1 | 179 | 9.0 | 9.0 | 11:19.5 | +47:28 | F5 | |
| STF 1541 | 7.7 | 29 | 8.0 | 10.0 | 11:27.6 | +46:14 | F0 | |
| STF 1542 | 3.0 | 262 | 7.0 | 10.5 | 11:27.9 | +44:33 | F0 | |
| 57 UMA | 5.4 | 359 | 5.0 | 8.0 | 11:29.1 | +39:20 | A1 | |
| SAO 62574 | 0.9 | 331 | 7.0 | 11.0 | 11:29.3 | +30:25 | F2 | |
| STF 1544 | 12.3 | 91 | 7.0 | 8.0 | 11:31.3 | +59:42 | A5 | |
| STT 235 | 0.8 | 95 | 5.5 | 7.0 | 11:32.3 | +61:05 | F6 | |
| STF 1553 | 6.0 | 168 | 7.5 | 8.0 | 11:36.6 | +56:08 | G5 | |
| STF 1561 | 9.7 | 253 | 6.5 | 8.5 | 11:38.8 | +45:06 | G0 | |
| STF 1559 | 1.9 | 322 | 7.0 | 8.0 | 11:38.8 | +64:20 | A2 | |
| SAO 28148 | 1.3 | 351 | 7.0 | 11.5 | 11:47.8 | +49:49 | A0 | |
| STF 1576 | 5.1 | 243 | 8.0 | 8.5 | 11:52.9 | +30:49 | F5 | |
| 65 UMA | 3.7 | 40 | 7.0 | 8.5 | 11:55.1 | +46:28 | B9 | |
| STT 241 | 1.6 | 138 | 6.5 | 8.5 | 11:56.3 | +35:27 | F2 | |
| STT 243 | 0.8 | 8 | 8.0 | 8.5 | 11:59.8 | +53:24 | F8 | |
| STF 1600 | 7.5 | 92 | 7.0 | 8.0 | 12:05.5 | +51:56 | F5 | |
| HU 1136 | 2.0 | 223 | 6.0 | 11.0 | 12:05.6 | +62:56 | K2 | |
| STF 1603 | 22.3 | 82 | 8.0 | 8.5 | 12:08.1 | +55:28 | F8 | |
| STF 1608 | 12.7 | 221 | 7.5 | 8.0 | 12:11.5 | +53:25 | K0 | |
| STF 1630 | 2.5 | 168 | 8.5 | 9.0 | 12:18.9 | +56:22 | G0 | |
| STT 249 | 13.2 | 149 | 7.0 | 11.0 | 12:23.8 | +54:09 | G5 | |
| STF 1691 | 18.8 | 277 | 8.0 | 9.0 | 12:54.9 | +58:09 | F0 | |
| STF 1695 | 3.7 | 283 | 6.0 | 8.0 | 12:56.3 | +54:05 | A2 | |
| 78 UMA | 1.0 | 21 | 5.0 | 7.5 | 13:00.7 | +56:21 | F2 | |
| MIZAR | 14.4 | 151 | 2.5 | 4.0 | 13:23.9 | +54:55 | A2 | |
| STF 1752 | 182.0 | 111 | 5.5 | 8.5 | 13:28.8 | +59:55 | A0/F8 | |
| STF 1770 | 1.9 | 121 | 7.0 | 8.0 | 13:37.7 | +50:42 | M2 | |
| STF 1774 | 17.6 | 134 | 6.5 | 10.0 | 13:40.4 | +50:30 | F8 | |
| BU 802 | 3.6 | 223 | 8.0 | 11.0 | 13:48.6 | +48:21 | F0 | |
| A 1097 | 28.0 | 20 | 8.5 | 10.5 | 14:02.0 | +57:13 | F5 | Primary is a binary sep 0.3 |
| STF 1820 | 2.3 | 105 | 8.0 | 8.5 | 14:13.1 | +55:18 | K2 | |
| STF 1830 | 8.1 | 303 | 8.5 | 10.0 | 14:15.8 | +56:40 | G5 | Third component sel 35.5 pa 81 mag 13.5 |
| STF 1831 | 139.0 | 63 | 7.0 | 6.5 | 14:16.0 | +56:41 | F0 | Third component sep 108 pa 222 mag 6.5 fourth component pair sep 6.2 pa 139 mags 6.5/9, near NGC 5585 |