scholarly journals Orbits and Individual Masses of Some Visual Binaries

Astrophysics ◽  
2021 ◽  
Vol 64 (1) ◽  
pp. 41-53
Author(s):  
E. A. Elkholy ◽  
W. H. Elsanhoury ◽  
M. I. Nouh
Keyword(s):  
Visual Binaries

scholarly journals Measurements of visual binaries with PISCO2 at the Nice 76‐cm refractor in 2011–2012

2021 ◽  
Author(s):  
René Gili ◽  
Jean‐Louis Prieur ◽  
Jean‐Pierre Rivet ◽  
Farrokh Vakili ◽  
Marco Scardia ◽  
...  
Keyword(s):  
Visual Binaries

FIRST RESULTS OF THE OPTICAL SPECKLE INTERFEROMETRY WITH THE 3.5 m TELESCOPE AT CALAR ALTO (SPAIN): MEASUREMENTS AND ORBITS OF VISUAL BINARIES

2008 ◽  
Vol 135 (5) ◽  
pp. 1803-1809 ◽  
Author(s):  
J. A. Docobo ◽  
V. S. Tamazian ◽  
M. Andrade ◽  
J. F. Ling ◽  
Y. Y. Balega ◽  
...  
Keyword(s):  
Speckle Interferometry ◽  
First Results ◽  
Calar Alto ◽  
Visual Binaries

scholarly journals Spectrographic Observations of Visual Binaries

1966 ◽  
Vol 12 (2) ◽  
pp. 476-485
Author(s):  
R. M. Petrie ◽  
A. H. Batten
Keyword(s):  
Executive Committee ◽  
The Other ◽  
Close Binaries ◽  
The Subject ◽  
Visual Binaries

At its Liège meeting, in July 1963, the Executive Committee of the Union voted to hold this Joint Discussion as a small homage to the memory of Professor Struve. I do not need to stress why the subject of ‘Close Binaries’ was chosen as we all know that it was closer to Professor Struve’s heart than any of the other ones in which he divided his broad astronomical interest.Mrs Mary Struve has written to me the kind letter I am going to read, a letter which summarizes so clearly how much Professor Struve would have appreciated this kind of homage.

The Rate of Visual Binaries among the Brightest X-Ray Stars

2002 ◽  
Vol 576 (1) ◽  
pp. L61-L64 ◽  
Author(s):  
Valeri V. Makarov
Keyword(s):  
X Ray ◽  
Visual Binaries

scholarly journals The Pulkovo Programme for the Study of Visual Double Stars

1990 ◽  
Vol 141 ◽  
pp. 63-64
Author(s):  
A. A. Kisselev ◽  
O. P. Bykov ◽  
O. A. Kalinichenko ◽  
O. V. Kiyaeva ◽  
L. G. Romanenko ◽  
...  
Keyword(s):  
Second World War ◽  
World War ◽  
Photographic Technique ◽  
Double Stars ◽  
Visual Double Stars ◽  
Traditional Work ◽  
Second World ◽  
Visual Binaries

The observation of visual double stars at Pulkovo is a traditional work of Pulkovo astronomers started by W. Struve in 1830 at Dorpat (now Tartu). After the Second World War and restoration of the observatory in 1960, the observations of double stars have been carried out with help of 26-inch Zeiss refractor using the photographic technique. We observe the visual binaries which satisfy the conditions of highest accuracy of astrometric reduction: d > 3′, m < 12.0, dm < 1.0, δ>20°.

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