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Research and list editing of visual double stars
WDSTOOL History updates.
| 2022/05/17 - Data bases updated. |
| 2021/12/24 - Addition of UCAC4 cross references |
| 2021/12/24 - Data bases updated. |
| 2021/05/08 - Data bases updated. |
| 2021/01/28 - Data bases updated. |
| 2020/11/08 - Data bases updated. |
| 2020/05/31 - Data bases updated. |
| 2020/02/01 - Data bases updated. |
| 2019/09/07 - Data bases updated. |
| 2019/06/30 - Data bases updated. |
| 2019/03/30 - Data bases updated. |
| 2018/12/30 - Data bases updated. |
| 2018/11/24 - Addition of a listing editor for the Sixth Catalog of Orbits of Visual Binary Stars. |
| 2018/09/29 - Data bases updated. |
| 2018/07/05 - Data bases updated. |
| 2018/03/31 - Data bases updated. |
| 2018/01/28 - Data bases updated. |
| 2017/12/10 - Added calculation of Rho and Theta from the coordinates of the components |
| 2017/10/10 - Data bases updated. |
| 2017/07/10 - Data bases updated. |
| 2017/03/19 - Data bases updated. |
| Clic here for the archive updates. |
| David Chiron - All rights reserved © 2022 |  |
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