Infrared weak quasars

Details Infrared weak quasars Infrared weak quasars

May 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992aipc..254..532m&link_type=abstract

In: Testing the AGN paradigm; Proceedings of the 2nd Annual Topical Astrophysics Conference, Univ. of Maryland, College Park, Oc

Astronomy and Astrophysics

Astrophysics

2

Continuous Radiation, Infrared Radiation, Quasars, Red Shift, Thermal Emission, Weak Energy Interactions, Energy Distribution, Interstellar Extinction, Line Of Sight, Seyfert Galaxies, X Ray Spectra

Scientific paper

Examples of quasars with anomalously weak IR emission are presented, and the effects of starlight subtraction on estimates of the UV and IR component strengths are discussed. Inferred model parameters are very sensitive to the position of the peak of the UV energy distribution. In many low redshift objects the peak is not seen; even in those objects where the turnover is clear, the turnover may not be intrinsic but instead due to reddening within the quasar host galaxy. The small number of unusual quasars with weak IR emission will be of utility as a probe of the quasar phenomenon in the absence of dominant dust reprocessing.

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