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Infrared polarized emission from anisotropic cosmic dust

Инфракрасное поляризованное излучение из анизотропной космической пыли

  • Published:
Il Nuovo Cimento B (1971-1996)

Summary

The problem of polarimetric effects of cosmic dust has been reviewed, with particular reference to the magnetic alignment mechanism. Aligned anisotropic dust grains are expected to emit detectable polarized radiation in the far infra-red region. Polarimetric infra-red measurements can contribute effectively to the knowledge of the nature and distribution of dust grains.

Riassunto

Si è analizzato il problema degli effetti polarimetrici della polvere cosmica, con particolare riferimento al meccanismo magnetico di allineamento. Grani anisotropi allineati emettono nell’infrarosso radiazione parzialmente polarizzata nei limiti di sensibilità degli attuali rivelatori. Misure polarimetriche nell’infrarosso possono contribuire utilmente alla conoscenza dettagliata della natura e della distribuzione della polvere cosmica.

Резюме

Анализируется проблема поляриметрических эффектов для космической пыли. Особое внимание обращается на механизм магнитной ориентации. Ожидается, что ориентированные зерна анизотропной пыли излучают детектируемое поляризованное излучение в далекой инфракрасной области. Поляриметрические измерения в инфракрасной области могут дать существенный вклад в исследование природы и распределения зерен космической пыли.

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Authors and Affiliations

  1. Cattedra di Fisica dello Spazio e Unità di Ricerea CNR-GIFCO, Firenze

    S. Aiello, A. Bonetti & F. Mencaraglia

  2. Istituto di Fisica dell’Università, Firenze

    S. Aiello, A. Bonetti & F. Mencaraglia

Authors
  1. S. Aiello
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  2. A. Bonetti
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  3. F. Mencaraglia
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Aiello, S., Bonetti, A. & Mencaraglia, F. Infrared polarized emission from anisotropic cosmic dust. Nuovo Cim B 23, 297–312 (1974). https://doi.org/10.1007/BF02723638

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  • DOI: https://doi.org/10.1007/BF02723638

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