Results 1 to 10 of about 2,448 (242)
Herbig Ae/Be Visual Binaries [PDF]
Symposium - International Astronomical Union, 2001 We present the results of a high-angular resolution spectro-imaging survey of a sample of isolated Herbig Ae-Be (HAeBe) stars aimed at searching for close companions. The fraction of wide binaries is found to be significantly higher in HAeBe stars than in solar-mass field dwarfs, and suggests a companion star fraction possibly larger than 1.
Patrice Corporon, Jérôme Bouvier
openaire +3 more sources
On the component masses of visual binaries
Serbian Astronomical Journal, 2010 In the Sixth Catalog of Orbits of Visual Binary Stars we found those belonging to the Main Sequence to form a sample containing 432 visual binaries. Their total masses were obtained dynamically, i.e. they were calculated using the orbital elements and the new Hipparcos parallaxes.
Zorica D. Cvetković +1 more
openaire +6 more sources
OMICRON CETI A VISUAL BINARY [PDF]
Publications of the Astronomical Society of the Pacific, 1923 R. G. Aitken
openaire +3 more sources
Two Visual Binary Orbits [PDF]
Monthly Notices of the Royal Astronomical Society, 1937 R. v. d. R. Woolley, L. S. T. Symms
openaire +3 more sources
Parallaxes of four visual binaries.
The Astrophysical Journal, 1915 Frederick Slocum
openaire +3 more sources
The Angular Momentum in Visual Binaries [PDF]
Publications of the Astronomical Society of the Pacific, 1963 O. J. Eggen
openaire +3 more sources
Statistical study of visual binaries [PDF]
Astrophysical Bulletin, 2017 In this paper, some statistical distributions of wide pairs included in Double Star Catalogue are investigated. Frequency distributions and testing hypothesis are derived for some basic parameters of visual binaries. The results reached indicate that, it was found that the magnitude difference is distributed exponentially, which means that the majority
W. H. Elsanhoury +2 more
openaire +4 more sources
The spin-orbit alignment of visual binaries [PDF]
Astronomy & Astrophysics, 2020 Context. The angle between the stellar spin-axis and the orbital plane of a stellar or planetary companion has important implications for the formation and evolution of such systems. A study by Hale (1994, AJ, 107, 306) found that binaries with separations a ≲ 30 au are preferentially aligned while binaries on wider orbits are frequently misaligned ...
A. B. Justesen, S. Albrecht
openaire +4 more sources
Asteroseismology of the visual binary 70 Ophiuchi [PDF]
Astronomy & Astrophysics, 2006 5 pages, A&A in ...
Patrick Eggenberger, Fabien Carrier
openaire +3 more sources
GAIA and Population II Visual Binaries [PDF]
Astrophysics and Space Science, 2002 10 ...
Arturas Gudas, Antanas Bartkevicius
openaire +3 more sources