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Research and  list editing of  visual double stars


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WDSTOOL History updates.

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.
2016/11/21 - Data bases updated.
2016/08/31 - Data bases updated.
2016/05/29 - Data bases updated. (now with "precise last" of Rh? and Theta)
2016/03/01 - Add sixth catalog of orbits of visual double stars.
2016/02/26 - Data bases updated.
2015/11/02 - Data bases updated.
2015/07/07 - Data bases updated.
2015/07/01 - Creating the domain WDSTOOL.COM
2015/02/12 - Data bases updated.
2014/10/08 - Spanish version of WDSTOOL.
2014/09/10 - Add proper motion delta criteria in listing edition.
2014/09/07 - Data bases updated.
2014/08/10 - Data bases updated.
2014/07/03 - Errors solved in measures history's table
2014/05/06 - Data bases updated.
2014/01/19 - Data bases updated.
2014/11/30 - Data bases updated.
2014/10/13 - Data bases updated.
Clic here for the archive updates.


David Chiron - All rights reserved © 2018