Visual binary systems in the solar neighbourhood: A question of their separations |
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| Authors: | Maria A Giannuzzi |
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| Institution: | (1) Dipartimento di Matematica, Università di Roma  La Sapienza , Roma, Italy;(2) Osservatorio Astronomica di Roma, Monte Porzio Catone, Italy |
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| Abstract: | The separations between the components of nearby visual binaries are investigated. For Main-Sequence stars in the spectral range F0-M7 the distribution of the separations is independent from the spectral type of the primary component. A decrease of the limiting upper separation from the early to late-type systems found by Abt is probably due to selective constraints. |
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