Eagle Creek Observatory
"Teaching young minds about the heavens"

Double Star Logo

Double Stars in Cassiopeia
Here is a listing of the 90 or so best doubles in Cassiopeia.
The star name contains a link so you may click there to see more detailed information about this double star.
Some entries may return multiple stars, click on the one of interest and the information will be displayed.
If more than one entry is listed click on each of them to view the data. Use the Aladin Previewer to see a photograph of the star.
Click HERE for an ETX tour.

Name SAO Sep PA Mag1 Mag2 RA Dec Spect Color Comments
WZ CAS 21002 58.1 89 7.5 8.0 00:01.3 +60:21 N1 *** nice color contrast
STF 3053 10938 15.2 706 6.0 7.5 00:02.6 +66:05 K1/A2 *** Color contrasting double
STF 3057 21062 3.9 298 7.0 9.0 00:04.9 +58:31 B3    
HU 502 36054 2.4 113 7.0 10.5 00:06.0 +49:37 A3    
STF 3062 21085 1.3 259 7.0 8.0 00:06.1 +58:25 G8    
A 1253 21108 3.0 87 7.5 12.5 00:07.6 +52:46 G5    
STF 7 21191 1.3 212 8.0 8.5 00:11.6 +55:57 B8    
STT 1 11030 1.6 210 7.5 10.0 00:11.9 +66:07 A0    
STF 10 11063 17.6 176 7.5 8.0 00:14.8 +62:50 A0    
STF 16 132321 5.8 40 7.5 9.0 00:16.7 +54:39 A3    
BU 392   19.4 69 6.0 12.0 00:16.9 +61:31 G4    
ES 41   6.0 218 8.0 11.0 00:18.4 +49:30 F8 *** Carbon Star SAO 36234 in field
STF 30   15.3 307 7.0 9.0 00:27.2 +49:58 B9    
BU 1094   0.7 254 6.0 9.0 00:30.4 +59:58 B9    
BU 394 36427 0.8 286 8.5 8.5 00:30.7 +47:31 G0    
BU 1227 21498 2.9 202 7.5 11.5 00:32.4 +58:20 F2    
HJ 1989   32.3 51 7.5 11.5 00:37.7 +72:53 B3    
STF 45   14.5 88 7.0 10.0 00:38.8 +46:57 G5    
STT 16   13.3 23 6.0 10.0 00:39.2 +49:21 K5 *** Optical Double
ALPHA CAS 21609 64.4 280 2.5 9.0 00:40.4 +56:32 K0 *** Optical double
STF 48 4190 5.4 334 7.0 7.0 00:42.6 +71:22 A0    
21 CAS 4216 36.0 160 6.0 9.5 00:45.6 +74:59 A2    
STF 59 21716 2.1 148 7.0 8.0 00:48.0 +51:26 A0    
ETA CAS 21732 11.0 297 3.5 7.5 00:49.0 +57:49 G0 *** color contrasting double
HJ 1054 11420 8.6 180 8.0 10.0 00:49.7 +60:45 F5   Third component sep 93.0 pa 92 mag 10
BU 232 21759 0.7 22 8.5 9.0 00:50.4 +50:38 G4/G6    
BU 781 11436 0.7 22 8.0 8.5 00:51.6 +68:59 A2    
A 812 36721 1.8 323 7.0 11.0 00:51.8 +48:03 K0    
BU 1   1.4 82 8.0 10.0 00:52.8 +56:37 A5    
STF 65 11440 3.1 40 8.0 8.0 00:52.8 +68:52 A2    
BU 497   130.0 171 6.0 9.0 00:53.1 +61:07 F8    
STF 70   8.0 245 6.5 9.5 00:53.8 +52:41 A0   Third component sep 78.5 PA 148 mag 10. C is also a close double sep 1.7 pa 88 mag 10/10.5
GAMMA CAS 11482 2.3 252 2.5 11.0 00:56.7 +60:43 B9    
ES 940   62.6 356 7.0 9.0 00:57.3 +52:14 K2    
ES 45   7.7 243 7.0 11.0 01:01.5 +49:33 G5    
BU 396 11551 1.2 66 6.0 9.0 01:03.6 +61:04 A9    
HD 6540 22021 21.7 75 6.5 10.0 01:07.2 +53:30 K0 ***  
STT 23 22049 14.6 192 7.5 8.0 01:10.2 +51:44 F8    
BU 235 22060 1.1 118 7.5 7.5 01:10.6 +51:00 F5    
STF 96 11631 0.8 283 8.0 9.0 01:12.7 +65:00 B9    
BU 258 11637 1.3 267 6.0 9.0 01:13.2 +61:42 B9    
PHI CAS 22191 48.6 208 5.0 12.0 01:20.1 +58:13 F0/B6   Third component sep 134 pa 231 mag 7
35 CAS 11712 53.8 347 6.0 8.0 01:21.0 +64:39 A0    
STF 114   3.7 356 7.5 10.5 01:24.1 +72:50 A0    
PSI CAS 11751 23.2 118 4.5 9.0 01:26.0 +68:07 K0 *** Primary is a close double sep 2.5 mag 13, C is a close double sep 2.9 mag 9/9.5
STF 131   13.8 142 6.0 9.0 01:33.2 +60:41 B3   in cluster M103, third component sep 28.2 PA 125 mag 10.5
MLB 280   58.4 79 6.5 11.0 01:35.4 +63:05 K0   B is a binary sep 6.4 pa 45 mag 11/11.5
STT 33 22442 25.4 76 7.0 8.0 01:37.4 +58:38 B8 ***  
HJ 1088   19.6 168 7.0 9.5 01:42.3 +58:38 B9    
44 CAS 11941 1.6 358 6.0 12.0 01:43.3 +60:33 B9 *** Third component sep 66.0 pa 310 mag 10
STT 35 22555 12.8 99 7.0 10.0 01:43.8 +55:53 A2    
BU 870 22566 1.1 19 7.0 8.5 01:44.3 +57:32 A2    
STF 151   7.1 38 9.5 10.0 01:45.9 +61:13 A2   in NGC 663
STF 152   9.3 105 9.0 10.5 01:46.0 +61:14 B2   in NCG 663
STF 163 12007 34.8 35 6.5 8.5 01:51.2 +64:50 K5 ***  
STF 170 4512 3.3 246 6.5 7.5 01:55.3 +76:13 A4    
STF 182 12046 3.6 123 7.0 7.0 01:56.4 +61:16 A0    
HJ 1100   41.5 310 6.0 10.0 01:59.5 +64:37 A0    
48 CAS 4554 0.3 47 5.0 7.0 02:02.0 +70:54 A4   Spectroscopic binary, third component sep 28.0 pa 128 mag 13
STF 234   0.9 246 8.5 9.0 02:17.4 +61:20 G0    
IOTA CAS 12298 2.2 241 4.0 7.0 02:29.1 +67:24 A5   Third component sep 7.3 pa 114 mag 8
STF 277   3.1 137 7.5 11.0 02:37.0 +59:53 A0    
STF 283 12380 1.8 207 8.0 8.5 02:40.6 +61:28 G5    
A 970   5.2 100 7.0 13.0 02:43.2 +58:53 A0    
STF 302   5.1 167 8.0 10.5 02:49.9 +64:37 B9    
STF 306 12470 2.1 93 7.0 9.0 02:51.1 +60:25 B0   third component sep 27.4 pa 157 mag 11.5
STF 312 4776 2.2 32 7.0 8.0 02:56.0 +72:53 G0   Third component sep 42.9 pa 129 mag 9
STF 329   16.0 273 7.5 9.0 03:01.1 +59:01 A2    
STF 349 12635 6.1 321 7.5 8.0 03:10.8 +63:47 F8    
STT 50 4846 1.1 175 7.5 7.5 03:12.6 +71:33 F8    
STT 485   20.1 50 6.0 9.0 23:02.8 +55:13 B9   Third component sep 56.6 pa 260 mag 9.5
STT 490 35193 1.3 299 7.0 9.0 23:10.1 +57:26 G5 ***  
BU 229 35330 17.5 36 7.0 11.5 23:10.1 +57:26 K2    
ES 220   36.9 83 8.0 11.5 23:20.9 +62:24 A0    
AR CAS 35478 1.1 347 5.0 10.0 23:30.0 +58:32 B3   Third component sep 75.7 pa 269 mag 8, fourth component sep 43.4 pa 114 mag 9, fifth component sep 67.3 pa 338 mag 9
STT 498   17.2 244 7.0 10.0 23:31.3 +52:24 F5    
HD 221625   9.5 78 7.0 9.0 23:33.3 +57:24 G5    
HJ 1896   16.3 116 7.0 11.0 23:38.8 +62:07 A2    
STT 502 20756 3.6 223 7.0 10.5 23:39.9 +63:43 A2    
BU 993 20791 2.7 275 7.0 11.5 23:42.4 +64:30 M0 ***  
STF 3037 20832 2.7 213 7.0 8.5 23:46.0 +60:28 K0   Third component sep 29.2 pa 186 mag 9 fourth component sep 52.6 pa 229 mag 9.9
STT 507 20866 0.7 296 7.0 7.5 23:48.6 +64:52 A0   third component (optical) sep 50.4 pa 351 mag 8
6 CAS 20869 1.5 199 6.0 8.0 23:48.8 +62:13 A3   third component sep 62.4 pa 309 mag 10.5
ES 700   14.6 35 6.5 10.0 23:50.6 +54:12 F5    
STT 511   10.5 35 7.0 11.0 23:53.1 +60:42 K5 ***  
STT 512 20954 3.0 293 6.5 11.0 23:57.3 +61:02 M0 ***  
ARG 99   4.8 318 9.5 10.0 23:57.4 +61:02 B9    
STF 3047 35930 1.1 70 8.5 8.5 23:57.8 +57:23 B9    
SIGMA CAS 35947 3.0 326 5.5 7.5 23:58.9 +55:45 B1/B3    

Image created using TheSky 5.0 Level IV
available from Bisque Software


Back


Some information gathered from Burgham's Celestial Handbooks and converted to J2000 and from my own observations.
Page 2003 Kevin Muenzler, Eagle Creek Observatory.