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The cosmic background radiation temperature at 1.3 mm

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Il Nuovo Cimento C

Summary

The cosmic background radiation temperature at 1.3 mm wavelength has been determined by studying the absorption lines of the interstellar CN toward the star HD 154 368. The resulting value of (2.832±0.072) K is consistent with the weighted average,T CBR=(2.78±0.01) K of the results obtained at λ≥1.0 mm.

Riassunto

La temperatura del fondo di radiazione cosmica (CBR) alla lunghezza d'onda di 1.3 mm è stata determinata studiando le righe di assorbimento del CN interstellare in direzione della stella HD 154 368. Il valore risultante di (2.832±0.072) K è consistente con la media pesata dei risultati ottenuti utilizzando tecniche diverse a λ≥1.0 mm,T CBR=(2.78±0.01) K.

Резюме

На основании исследования линий поглощения межзвездного CN в направлении звезды HD 154368 определена температура космического фонового излучения на длине волны 1.3 мм. Полученный резльтат (2.68±0.10) К подразумевает, что спектр космического фонового излучения не отличается от счектра излучения приТ=(2.755±0.019) К на этой длине волны.

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Authors and Affiliations

  1. Istituto TE.S.R.E.-CNR, Bologna

    E. Palazzi & N. Mandolesi

  2. European Southern Observatory, Munich, BRD

    P. Crane

  3. University of Michigan, Ann Arbor, MI

    D. J. Hegyi

  4. Space Telescope Science Institute, Baltimore, MD

    J. Christopher Blades

  5. Rennsalaer Polytechnic Institute, Troy, USA

    M. L. Kutner

Authors
  1. E. Palazzi
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  2. N. Mandolesi
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  3. P. Crane
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  4. D. J. Hegyi
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  5. J. Christopher Blades
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  6. M. L. Kutner
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Palazzi, E., Mandolesi, N., Crane, P. et al. The cosmic background radiation temperature at 1.3 mm. Il Nuovo Cimento C 13, 537–540 (1990). https://doi.org/10.1007/BF02507093

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  • DOI: https://doi.org/10.1007/BF02507093

PACS 98.70.Vc

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