Eagle Creek Observatory
"Teaching young minds about the heavens"

Double Star Logo

Double Stars in Hydra
The Sea Serpent
Here is a listing of the 107 or so best doubles in Hydra.
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
BU 1244 16502 0.9 26 8.0 8.0 08:13.8 +01:58 A0    
STF 1210 116552 15.5 113 7.0 9.5 08:15.8 +02:47 A0    
HWE 21 135709 1.4 241 7.5 11.0 08:16.5 -03:13 F8    
BU 102 135717 3.3 120 7.0 10.5 08:16.8 -09:01 A0    
RST 5297   39.0 84 7.5 10.5 08:26.3 -00:24 G5 ***  
STF 1243 116891 2.0 228 8.0 10.5 08:33.9 +01:34 A0    
HJ 99 136110 61.0 202 6.5 7.5 08:37.9 -06:48 A0   optical double. B is also a double sep 9.8, PA 211 mat 7.5/12
STF 1255 117001 26.6 31 7.0 8.0 08:39.7 +05:46 G5    
STF 1260 154351 5.1 304 7.5 8.0 08:40.7 -12:10 A2    
9 HYA 154553 31.0 111 5.0 11.5 08:41.7 -15:56 K1    
STF 1270 136242 4.7 262 6.5 7.5 08:45.3 -02:35 F5    
STF 1069 152682 2.4 68 7.5 11.0 08:46.1 -11:01 K5 ***  
EPS HYA 117112 3.1 271 3.5 8.0 08:46.9 +06:24 G5   primary is a close binary sep 0.3, mag 5
STT 194 117144 12.6 56 7.0 10.5 08:48.3 +00:32 K2 ***  
RHO HYA 117146 12.4 145 4.5 12.0 08:48.4 +05:49 A4    
HJ 107   27.3 52 7.5 11.0 08:50.4 -04:11 K0 ***  
15 HYA 136356 0.9 125 6.0 9.0 08:51.6 -07:10 A2   third component sep 45.9, pa 0 mag 10. Fourth component sep 51.9, pa 54 mag 11
STF 1290 117208 3.0 320 8.0 10.0 08:52.0 +04:27 A2    
STF 1292 136373 6.5 188 9.0 9.0 08:53.8 -00:34 A5 ***  
17 HYA   4.3 359 7.0 7.0 08:55.5 -07:58 A3/A5    
HO 358 154794 1.9 298 7.0 12.0 08:57.9 -18:52 A0    
KUI 36 117311 2.5 197 6.5 12.0 08:58.2 +01:32 A0    
BU 409   9.7 185 8.0 10.5 09:00.7 -09:11 A0    
STF 1302 117347 2.4 232 8.5 9.0 09:01.2 +02:44 F8    
STF 1308 136558 10.5 85 8.0 9.0 09:05.0 -03:59 F5    
STF 1309 117427 11.5 273 8.0 8.5 09:06.6 +02:48 F5    
HJ 804   12.8 329 8.0 11.0 09:07.7 -10:29 A0    
STF 1316   7.1 138 8.0 11.5 09:07.9 -07:08 AB    
19 HYA 136604 1.5 296 5.5 10.0 09:08.7 -08:35 B9    
STT 197   1.4 62 7.5 9.0 09:09.5 +02:56 F0    
HJ 4182   25.2 107 7.0 10.5 09:10.1 -16:51 F0    
BU 104 117483 2.5 103 7.0 12.0 09:11.5 +00:17 K0    
BU 336   2.0 238 8.5 9.5 09:11.7 -16:48 A0    
A 2973 136661 2.6 7 7.5 12.5 09:12.5 -06:55 K0 ***  
THETA HYA 117527 29.4 197 4.0 10.0 09:14.4 +02:19 B9    
WEI 21   25.8 14 7.5 9.0 09:14.8 -08:45 A0    
HO 363   2.4 181 7.0 9.0 09:15.0 -20:07 A0    
STF 1329   14.5 253 8.5 8.5 09:15.7 -01:14 G5    
BU 212   1.3 209 7.5 8.0 09:16.1 -08:20 A5    
BU 588 117553 2.2 142 6.5 11.0 09:16.7 +00:43 F5    
23 HYA 736725 1.6 282 5.0 11.0 09:16.7 -06:21 K0 ***  
A 125 155081 2.9 29 7.5 11.0 09:18.7 -10:24 A2    
A 1343 27254 4.1 190 6.0 11.0 09:19.6 -15:49 K0 ***  
STF 1343 117596 9.8 272 8.5 9.0 09:20.0 +05:00 G5    
HW 6 177300 1.5 45 8.0 9.5 09:20.3 -23:28 F0    
27 HYA 136768 229.0 211 5.0 7.0 09:20.4 -09:32 G8/F5    
27B HYA 136767 9.6 196 7.0 9.0 09:20.4 -09:32 F5/K2    
BU 337   8.3 334 7.0 11.0 09:22.5 -17:53 F2    
A 1342 136799 1.8 204 7.0 11.5 09:22.8 -09:49 A2   Primary is a close binary sep 0.1 period 15 years
STF 1347 117640 21.1 311 6.5 8.0 09:23.3 +03:30 F0    
HD 123 21085 4.4 5 7.5 10.0 09:23.9 -23:39 F2   Eclipsing Binary system third component sep 54.4 pa 191 mag 10.5
STF 1348 117661 1.7 317 7.5 7.5 09:24.4 +06:21 F5    
STF 1355 117704 2.6 345 7.0 7.0 09:27.3 +06:13 F5    
29 HYA 136861 10.8 174 7.0 11.5 09:27.3 -09:13 A0   Primary is a binary sep 0.2 mags 7/7
STF 1357 136883 7.4 54 7.0 10.5 09:28.2 -06:59 K0    
BU 591 136903 0.8 26 7.5 8.5 09:29.6 -03:07 F3/A3    
BU 339   1.3 236 9.0 9.5 09:31.0 -15:44 G0    
STF 1365 117747 3.4 156 7.0 8.0 09:31.6 +01:27 F8    
STF 1367   5.4 183 8.0 9.5 09:32.2 -10:50 G0    
BU 910   6.8 305 7.5 10.0 09:32.9 -14:00 G5 *** third component sep 166 pa 278 mag 9
S 604   51.5 91 6.0 9.5 09:35.7 -19:34 A1    
STN 19   2.7 266 7.5 9.5 09:40.1 -17:09 F2    
SAO 177863 177863 54.4 292 5.0 8.0 09:41.3 -23:35 B2    
BU 214 155402 3.2 250 7.0 11.0 09:41.6 -18:28 F8    
HJ 4261   8.2 84 8.0 10.0 09:53.6 -19:29 G5 ***  
BU 592   9.9 192 6.5 12.0 09:55.0 -16:11 G0 ***  
BU 216 178214 3.4 156 6.0 11.0 09:56.8 -26:33 A2    
HDO 124   13.2 8 8.0 10.0 10:01.2 -22:45 A0    
BU 1072   11.9 48 6.0 12.0 10:04.1 -18:05 A0   third component sep 21.0, pa 274 mag 7
S 607 155730 9.5 146 8.5 9.5 10:06.7 -19:18 G5   galaxy NGC 3124 is 4' North
HJ 4285   8.7 358 8.0 10.5 10:06.7 -23:08 F5    
BU 217   1.9 121 8.0 8.0 10:06.8 -24:42 F8    
BU 911   4.6 312 7.5 11.0 10:08.4 -19:44 G0   Optical double, third component sep 66.4 pa 62 mag 9.5
STF 1416 155811 11.5 277 6.5 8.5 10:12.3 -16:04 A2    
SAO 178610 178610 1.3 110 6.0 10.0 10:16.8 -20:40 F0    
BU 219 178723 1.9 187 7.5 9.0 10:21.6 -22:32 A0    
HJ 4311 155947 4.2 122 7.5 10.5 10:23.4 -13:22 F8    
BU 1075 156093 3.3 280 6.0 12.0 10:36.1 -16:20 M1 ***  
BU 411 179014 0.7 338 6.5 8.0 10:36.1 -26:40 F6    
STF 1474 156236 69.4 25 7.0 8.0 10:47.7 -15:15 A0 *** Component B is also a double with seperation of 6.7, pa 25 mag 7.5/7.5
STF 1473 156234 30.7 10 8.0 8.5 10:47.7 -15:35 F8    
I 503   1.2 115 7.5 9.0 10:49.3 -26:48 F2    
I 211   1.9 207 5.5 9.5 10:59.3 -33:44 A8    
HJ 4412 179603 12.7 266 8.0 8.5 11:10.0 -29:36 A0    
HD 100286 179968 9.1 210 6.0 6.0 11:32.3 -29:15 F6 ***  
HJ 4465 202718 67.0 44 5.5 7.5 11:41.7 -32:29 K5/F7 ***  
BETA HYA 202901 0.9 8 4.5 5.0 11:52.9 -33:54 A0    
DUN 116   19.6 263 7.0 7.0 11:56.7 -32:15 G6 *** Third component sep 24.3 pa 333 mag 11.5
HJ 4495   6.6 317 6.5 9.0 12:06.1 -32:57 G0    
JC 17 203183 3.4 20 6.5 8.5 12:10.1 -34:42 A0    
HJ 4505   10.2 271 7.5 10.5 12:11.7 -30:35 K0    
HWE 72 203252 1.3 164 6.5 8.5 12:13.6 -33:47 B9    
HJ 4513   47.0 99 7.5 10.0 12:19.0 -33:15 K0    
HJ 4528 203596 26.8 145 7.0 11.5 12:34.2 -32:05 A5    
SAO 180965 180965 1.3 170 5.5 12.0 12:37.7 -27:08 F2   Small globular cluster near
ES 439   2.1 64 9.0 9.5 12:51.7 -28:16 F5    
STN 26   3.0 33 7.5 9.5 12:53.9 -29:18 G5    
HJ 3556   6.0 82 8.0 9.0 12:54.3 -27:57 G0 ***  
HWE 27 181460 2.7 293 7.5 9.0 13:13.0 -29:05 A0    
HU 1503 181582 1.2 192 7.0 10.5 13:21.4 -22:47 F5    
SAO 181790 181790 10.9 192 5.0 7.0 13:36.8 -26:29 A3/A5    
HJ 4606   31.3 352 7.0 9.0 13:41.6 -23:27 A0    
HJ 4617   4.9 261 8.0 9.5 13:50.8 -29:52 G5    
BU 806 182752 0.7 97 7.5 9.5 14:40.4 -26:15 A2   Near Globular Cluster NGC 5694
BU 345 182772 0.9 292 7.0 7.5 14:41.8 -29:41 F0    
54 HYA 182855 8.8 126 5.0 7.0 14:46.0 -25:26 F1    
59 HYA 183058 0.8 335 6.0 6.0 14:58.7 -27:38 A5    

Image created using TheSky 4.0 Level IV
available from Bisque Software


Back


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