Interstellar-dust properties as deduced from FIR and millimetric observations.

Details Interstellar-dust properties as deduced from FIR and millimetric observations. Interstellar-dust properties as deduced from FIR and millimetric observations.

Oct 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993ncimc..16..643m&link_type=abstract

Nuovo Cimento C, Vol. 16, N. 5, p. 643 - 649

Other

Interstellar Dust: Mm Radiation, Interstellar Dust: Magellanic Clouds, Interstellar Dust: Galaxy, Cosmic Dust: Laboratory Simulations

Scientific paper

The authors have considered some millimetric observations of our Galaxy and of the Large Magellanic Cloud (LMC) taken at the Italian Base in Antarctica. Using other submm data and fitting all the observations with a modified Planck curve, they have obtained useful information about the temperature T and the spectral index α of the dust grains both for the Galaxy and the LMC. For the galactic spectrum two different couples of T and α match the detected fluxes: a) T = 7K, α = 2; b) T = 15K, α = 1.1. The authors have tried to identify the nature of the dust grains responsible for the submm and mm emission by comparing these results with the spectral trend of some cosmic analogues studied in laboratory.

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