Double Stars - Selection of Multiple Systems
A detailed description of the project, the data sources, additional websites and how you can contribute visual observations and photographs of double stars to the project are summarized in our introduction.
Double Star Lists:
| Double/Multiple Stars | 10 |
| Visual Observations | 91 |
| Sketches | 25 |
| Photographs | 4 |
| Observers | 11 |
| Gabriele Borgonovo, Sarah Gebauer, Christopher Hay, Karsten Kopp, Winfried Kräling, Stefan Loibl, Mark McCarthy, René Merting, Uwe Pilz, Frederik Wanink, Robert Zebahl |
| m1 | m2 | ρ | θ | Year | Coordinates (J2000.0) | |||||
| ★★★ | STF412, 7 Tau | AB | 6m.6 | 6m.9 | 0.8" | 349° | 2024 | Tau | 03h34m26.62s / +24°27'52.10" | |
| AB-C | 5m.9 | 9m.9 | 22.4" | 53° | 2014 | |||||
| ★★★ | sigma Ori, 48 Ori | NOI6 | Aa-Ab | 4m.1 | 0.0" | 164° | 2013 | Ori | 05h38m44.77s / -02°36'00.20" | |
| BU1032 | AB | 4m.1 | 5m.3 | 0.3" | 239° | 2023 | ||||
| STF762 | AB-C | 3m.8 | 8m.8 | 11.4" | 239° | 2019 | ||||
| STF762 | AB-D | 3m.8 | 6m.6 | 13.5" | 84° | 2021 | ||||
| STF762 | AB-E | 3m.8 | 6m.3 | 42.0" | 62° | 2021 | ||||
| STF3135 | AB-F | 3m.8 | 7m.9 | 208.0" | 324° | 2016 | ||||
| TRN19 | AB-G | 3m.8 | 12m.0 | 3.2" | 20° | 2008 | ||||
| SHJ65 | AB-H | 3m.8 | 8m.1 | 306.9" | 125° | 2016 | ||||
| SHJ65 | AB-I | 3m.8 | 8m.4 | 524.7" | 60° | 2016 | ||||
| CAB26 | Ca-Cb | 9m.1 | 14m.5 | 2.0" | 12° | 2007 | ||||
| STF762 | DC | 6m.6 | 8m.8 | 23.8" | 252° | 2019 | ||||
| RAS22 | Ea-Eb | 6m.6 | 11m.3 | 0.3" | 303° | 2010 | ||||
| STF762 | EC | 6m.3 | 8m.8 | 52.9" | 241° | 2019 | ||||
| STF762 | ED | 6m.3 | 6m.6 | 29.8" | 232° | 2019 | ||||
| CAB26 | Ha-Hb | 13m.3 | 0.5" | 2003 | ||||||
| BOY24 | Ja-Jb | 10m.6 | 12m.8 | 0.2" | 317° | 2007 | ||||
| ★★★ | STF948, 12 Lyn | AB | 5m.4 | 6m.0 | 2.0" | 66° | 2021 | Lyn | 06h46m14.15s / +59°26'30.10" | |
| AC | 5m.4 | 7m.0 | 8.8" | 309° | 2021 | |||||
| AD | 5m.4 | 10m.5 | 171.9" | 259° | 2003 | |||||
| BC | 6m.0 | 7m.0 | 9.9" | 299° | 2019 | |||||
| ★★ | WDS06581+1414 | STTA80 | AB | 7m.2 | 7m.4 | 124.1" | 53° | 2015 | Gem | 06h58m06.59s / +14°13'43.40" |
| STTA80 | AC | 7m.2 | 8m.4 | 81.2" | 112° | 2015 | ||||
| ARN1 | AD | 7m.2 | 10m.3 | 86.3" | 286° | 2015 | ||||
| STTA80 | BC | 7m.4 | 8m.4 | 106.8" | 193° | 2015 | ||||
| ★★★ | zeta Cnc, 16 Cnc | STF1196 | AB | 5m.3 | 6m.2 | 1.1" | 177° | 2022 | Cnc | 08h12m12.79s / +17°38'51.20" |
| STF1196 | AB-C | 4m.9 | 5m.8 | 6.0" | 64° | 2020 | ||||
| STF1196 | AB-D | 4m.9 | 8m.9 | 275.9" | 107° | 2017 | ||||
| ENH1 | AB-E | 4m.9 | 10m.1 | 562.2" | 26° | 2007 | ||||
| ENH1 | AB-F | 4m.9 | 10m.3 | 638.1" | 46° | 2007 | ||||
| ENH1 | AB-G | 4m.9 | 10m.2 | 672.3" | 332° | 2007 | ||||
| STF1196 | AC | 5m.3 | 5m.8 | 6.2" | 61° | 2022 | ||||
| STF1196 | BC | 6m.2 | 5m.8 | 5.5" | 70° | 2020 | ||||
| HUT1 | Ca-Cb | 6m.2 | 7m.1 | 0.3" | 338° | 2022 | ||||
| OCC9141 | Ca-Cc | 5m.2 | 7m.0 | 0.1" | 1998 | |||||
| STF1196 | CD | 5m.8 | 8m.9 | 277.5" | 107° | 2000 | ||||
| ENH1 | EF | 10m.1 | 10m.3 | 218.7" | 106° | 2015 | ||||
| 39 Cnc & 40 Cnc, 39/40 Cnc | ENG37 | AB | 6m.5 | 6m.6 | 151.8" | 150° | 2015 | Cnc | 08h40m06.44s / +20°00'28.10" | |
| ENG37 | AC | 6m.5 | 9m.0 | 134.0" | 309° | 2015 | ||||
| ENG37 | AD | 6m.5 | 8m.8 | 134.9" | 111° | 2015 | ||||
| SLE685 | AR | 6m.5 | 11m.6 | 290.3" | 150° | 2001 | ||||
| SLE335 | AS | 6m.5 | 10m.1 | 261.7" | 325° | 2002 | ||||
| CHR28 | Ba-Bb | 6m.6 | 0.4" | 134° | 1987 | |||||
| BUP120 | BR | 6m.6 | 11m.6 | 140.3" | 147° | 2015 | ||||
| PAT44 | Ca-Cb | 9m.2 | 0.3" | 22° | 1998 | |||||
| SLE335 | CS | 9m.0 | 10m.1 | 137.1" | 340° | 2002 | ||||
| ★ | WDS13470+3833 | S654 | AB | 5m.6 | 8m.9 | 71.3" | 239° | 2018 | CVn | 13h46m59.77s / +38°32'33.70" |
| SHY633 | AC | 5m.6 | 8m.9 | 999.9" | 296° | 2020 | ||||
| ★★★ | mu 1 Boo, mu 2 Boo, mu Boo, 51 Boo, Alkalurops | CHR181 | Aa-Ab | 4m.3 | 0.1" | 188° | 2012 | Boo | 15h24m29.54s / +37°22'37.10" | |
| STFA28 | AB | 4m.3 | 7m.1 | 109.2" | 170° | 2023 | ||||
| STF1938 | Ba-Bb | 7m.1 | 7m.6 | 2.3" | 2° | 2023 | ||||
| ★★★ | 16 Dra & 17 Dra, 16/17 Dra | STF2078 | AB | 5m.4 | 6m.4 | 3.0" | 104° | 2022 | Dra | 16h36m13.72s / +52°55'27.80" |
| STFA30 | AC | 5m.4 | 5m.5 | 90.2" | 193° | 2018 | ||||
| STFA30 | BC | 6m.4 | 5m.5 | 90.1" | 194° | 2017 | ||||
| STFA30 | CD | 5m.5 | 11m.2 | 125.5" | 123° | 2020 | ||||
| ★★★ | 30 Cyg & 31 Cyg, 30/31 Cyg, omicron Cyg | WRH33 | Aa-Ab | 3m.9 | 0.0" | 111° | 1985 | Cyg | 20h13m37.90s / +46°44'28.80" | |
| HJ1495 | AB | 3m.9 | 13m.4 | 36.2" | 327° | 2023 | ||||
| STFA50 | AC | 3m.9 | 7m.0 | 106.7" | 173° | 2023 | ||||
| STFA50 | AD | 3m.9 | 4m.8 | 336.7" | 322° | 2016 | ||||
| BU1483 | AF | 3m.9 | 13m.9 | 43.4" | 168° | 2023 | ||||
| BU1483 | CG | 7m.0 | 14m.2 | 37.5" | 95° | 2023 | ||||
| BU1483 | CH | 7m.0 | 12m.6 | 60.6" | 62° | 2014 | ||||
| BU1483 | CI | 7m.0 | 12m.3 | 60.2" | 136° | 2015 | ||||
| GUI30 | DC | 4m.8 | 7m.0 | 431.8" | 150° | 2003 | ||||
| ES26 | DE | 4m.8 | 13m.2 | 36.7" | 249° | 2023 | ||||
| SMR68 | FJ | 13m.9 | 15m.1 | 4.0" | 218° | 2021 | ||||
| SMR68 | HK | 11m.7 | 10m.9 | 9.0" | 263° | 2021 | ||||