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Temperature Fluctuations and Evolution of Dust Grains in Dense Interstellar Clouds

Published online by Cambridge University Press:  04 August 2017

S. Aiello ,
B. Barsella ,
C. Cecchi-Pestellini ,
F. Ferrini ,
F. Mencaraglia  and
A. Rosolia
S. Aiello
Affiliation:
Dipartimento di Fisica and CNR-GIFCO, Firenze, Italy
B. Barsella
Affiliation:
Istituto di Astronomia, Pisa, Italy
C. Cecchi-Pestellini
Affiliation:
Dipartimento di Fisica and CNR-GIFCO, Firenze, Italy
F. Ferrini
Affiliation:
Istituto di Astronomia, Pisa, Italy
F. Mencaraglia
Affiliation:
IROE-CNR, Firenze, Italy
A. Rosolia
Affiliation:
Dipartimento di Fisica and CNR-GIFCO, Firenze, Italy

Extract

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Interstellar extinction studies (Chlewicki et al, 1984), as well as IR observations (Sellgren et al, 1983) require the presence in the interstellar medium of a substantial number of small (a≲0.01 μm) dust grains. The temperature of such small grains is subjected, because of their small steady-state energy, to large fluctuations as they absorb photons from the incident radiation, which could prevent the accretion on such grains (Greenberg and Hong, 1974).

Type
I. Star Forming Processes in the Solar Neighborhood
Information
Symposium - International Astronomical Union , Volume 115: Star Forming Regions , 1987 , pp. 88 - 89
Copyright
Copyright © Reidel 1987 

References

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