Results 121 to 130 of about 2,381 (162)

Identification of a turnover in the initial mass function of a young stellar cluster down to 0.5 MJ

De Furio M, Meyer M, Greene T, Hodapp K, Johnstone D, Leisenring J, Rieke M, Robberto M, Roellig T, Cugno G, Fiorellino E, Manara C, Raileanu R, Terwisga Sv.   +13 more
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Tumor-infiltrating lymphocytes in breast cancer through artificial intelligence: biomarker analysis from the results of the TIGER challenge

van Rijthoven M, Aswolinskiy W, Tessier L, Balkenhol M, Bogaerts JMA, Drubay D, Blesa LC, Peeters D, Stovgaard ES, Lænkholm A, Haynes H, Craciun L, Larsimont D, Amgad MT, Cooper LA, de Kock C, Dechering V, Lotz J, Weiss N, van Bockstal M, Galant C, Lips E, Horlings HM, Wesseling J, Mulder L, van den Belt S, Weber K, Jank P, Denkert C, Munari E, Bogina G, Russ C, Lemm A, Loi S, Douglas JD, Michiels S, Joensuu H, Fan M, Lee D, Ye J, Byun K, Kim J, Xu S, Ji Z, Xie F, Kuang J, Chen X, Chen L, Tsakiroglou AM, Byers R, Fergie M, Ramanathan V, Martel AL, Shephard A, Ahmed Raza SE, Jahanifar M, Rajpoot NM, Cho S, Kim D, Jang H, Park C, Kim K, Donders R, Maurits S, Groeneveld M, Mickan A, Meakin J, van Ginneken B, Salgado R, van der Laak J, Ciompi F.   +70 more
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Statistical study of visual binaries

Astrophysics and Space Science, 1988
A statistical study of physical pairs from IDS catalogue has been performed. For 2811 binaries with luminosity class V primaries it has been found that their mass function is a Salpeter one; their distribution over semi-major axes of orbits is dN ∝ d log a. The rate of duplicity of stars is close to 1.
Z. Kraicheva, S. Vereshchagin, E. Popova, L. R. Yungelson, Alexander V. Tutukov   +4 more
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On the Maximum Separation of Visual Binaries [PDF]

Journal of Astrophysics and Astronomy, 2012
In this paper, an efficient algorithm is established for computing the maximum (minimum) angular separation ρ max(ρ min), the corresponding apparent position angles ( $\theta|_{\rho_{\rm max}}$ ,
Mohamed I. Nouh, M. A. Sharaf
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The visual binaries

Vistas in Astronomy, 1956
Abstract The results of some 130 years of double star discovery and measurement are briefly reviewed. Knowledge of stellar masses is perhaps the most important of these results; this in turn gave rise to dynamical parallaxes. As shown by statistics of the near neighbourhood of the Su, binaries, and even multiple stars, are by no means exceptional ...
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The visual binary Lambda Ophiuchi

Publications of the Astronomical Society of the Pacific, 1993
The orbital elements of this visual binary are revised; we find a=0.91" and P=129 yr. The mass ratio measured from a 75-yr series of astrometric plates supports the spectroscopically suspected presence of a third body.
W. D. Heintz, C. Strom
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Visual Binaries in Planetary Nebulae

Publications of the Astronomical Society of the Pacific, 1973
Close companions to the central stars have been observed in several planetary nebulae. Proper motions for some of these are consistent with physical association.
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The Visual Binary Mu-Draconis

Publications of the Astronomical Society of the Pacific, 1981
The orbit of the long-period pair is rediscussed and no evidence found for the suspected unseen companion.
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The Orbit of a Visual Binary (L)

1969
Our material is a reproduction of visual observations obtained by a number of observers in the 19th and 20th century. The brightest component F is always taken as the origin; for the fainter component B the observer has measured the distance to F and the direction of FB. We only consider the relative orbit.
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