Monte Carlo simulation of temperature fluctuations in interstellar iron grains

Details Monte Carlo simulation of temperature fluctuations in interstellar iron grains Monte Carlo simulation of temperature fluctuations in interstellar iron grains

Jun 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987ap%26ss.134..145t&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 134, no. 1, June 1987, p. 145-152.

Astronomy and Astrophysics

Astrophysics

2

Interstellar Matter, Iron, Monte Carlo Method, Temperature Distribution, Cooling, Reflection Nebulae, Simulation

Scientific paper

The Monte Carlo technique is used to simulate the temperature fluctuations in interstellar iron grains exposed to a particular radiation field. It is found that iron grains attain time-averaged temperatures almost an order of magnitude greater than dielectrics and that their temperatures may fluctuate by as much as 100K. The effect that this will have on the catalytic formation of molecular hydrogen is examined. It is also found that small metallic grains are unlikely candidates for explaining the extended red emission observed in many reflection nebulae.

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