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Journal Article

The percentage of stellar light re-radiated by dust in late- type Virgo Cluster galaxies

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Popescu,  C. C.
Prof. Heinrich J. Völk, Emeriti, MPI for Nuclear Physics, Max Planck Society;

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Tuffs,  R. J.
Division Prof. Dr. Werner Hofmann, MPI for Nuclear Physics, Max Planck Society;

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Citation

Popescu, C. C., & Tuffs, R. J. (2002). The percentage of stellar light re-radiated by dust in late- type Virgo Cluster galaxies. Monthly Notices of the Royal Astronomical Society, 335(2), L41-L44. Retrieved from http://adsabs.harvard.edu/cgi-bin/nph-bib_query?bibcode=2002MNRAS.335L.41P&db_key=AST&high=3fd59969ac20031.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0011-82A1-6
Abstract
We show that the mean percentage of stellar light re-radiated by dust is similar to30 per cent for the Virgo Cluster late- spirals measured with ISOPHOT by Tuffs et al. A strong dependence of this ratio with morphological type was found, ranging from typical values of similar to15 per cent for early spirals to up to similar to50 per cent for some late spirals. The extreme BCDs can have even higher percentages of their bolometric output re-radiated in the thermal infrared. Luminosity correction factors for the cold dust component are given for general use in converting far-infrared (FIR) luminosities derived from IRAS.