Variations in the thermal emission of Seyfert galaxies

M. J. Lebofsky, G. H. Rieke

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Abstract

Accurate monitoring of five Seyfert galaxies demonstrates that they are all variable in the IR region. These fluctuations probably arise when variations in the nonthermal UV sources change the rate of heating of interstellar dust within the nuclei of these galaxies, as demonstrated quantitatively for III Zw 2.

Original languageEnglish (US)
Pages (from-to)410-412
Number of pages3
JournalNature
Volume284
Issue number5755
DOIs
StatePublished - Dec 1 1980

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