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Binary Stars and Stellar Masses [PDF]
, 1987 Quite often, two stars may appear to be close together in the sky, although they are really at very different distances. Such chance pairs are called optical binary stars. However, many close pairs of stars really are at the same distance and form a physical system in which two stars are orbiting around each other.
Pekka Kröger +4 more
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1997
Magnetic fields are of fundamental importance in close binary stars due to the angular momentum transport that can occur via the action of magnetic stresses. The strongly magnetic AM Herculis stars and the intermediate polars are believed to account for approximately 25% of all cataclysmic variables. In the AM Her binaries an accretion disc cannot form
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Magnetic fields are of fundamental importance in close binary stars due to the angular momentum transport that can occur via the action of magnetic stresses. The strongly magnetic AM Herculis stars and the intermediate polars are believed to account for approximately 25% of all cataclysmic variables. In the AM Her binaries an accretion disc cannot form
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1991
Star catalogue data indicate that only 30 of every 100 stars are alone (Allen, 1973). The rest are in double or multiple star systems. By itself, this finding would be sufficient justification for including binary star systems in a book designed to help its readers explore the nature of our cosmos. But there is much more.
Th. Schmidt-Kaler +2 more
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Star catalogue data indicate that only 30 of every 100 stars are alone (Allen, 1973). The rest are in double or multiple star systems. By itself, this finding would be sufficient justification for including binary star systems in a book designed to help its readers explore the nature of our cosmos. But there is much more.
Th. Schmidt-Kaler +2 more
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1991
Chapter Camera ready when published. ; Any theory of star formation which fails to take cognizance of the fact that most stars are in binary systems is seriously incomplete. Here we review the various mechanisms that have been proposed for the formation of binary stars and argue that there is still much work to be done.
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Chapter Camera ready when published. ; Any theory of star formation which fails to take cognizance of the fact that most stars are in binary systems is seriously incomplete. Here we review the various mechanisms that have been proposed for the formation of binary stars and argue that there is still much work to be done.
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1978
The term binary star was apparently used by William Herschel to designate . . . “a real double star — the union of two stars that are formed together in one system, by the laws of attraction” (Herschel, 1802). The term double star is, on the other hand, of much earlier origin: at least its Greek equivalent was already used by Ptolemy to describe the ...
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The term binary star was apparently used by William Herschel to designate . . . “a real double star — the union of two stars that are formed together in one system, by the laws of attraction” (Herschel, 1802). The term double star is, on the other hand, of much earlier origin: at least its Greek equivalent was already used by Ptolemy to describe the ...
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