Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989apjs...70..257b&link_type=abstract
Astrophysical Journal Supplement Series (ISSN 0067-0049), vol. 70, June 1989, p. 257-270.
Astronomy and Astrophysics
Astronomy
27
Active Galactic Nuclei, Carbon Monoxide, Infrared Sources (Astronomy), Millimeter Waves, Quasars, Seyfert Galaxies, Centimeter Waves, Far Infrared Radiation, Infrared Astronomy Satellite
Scientific paper
Measurements of upper limits on the continuum fluxes at 1.3, 3, and 7 mm, as well as centimeter-wavelength continuum and 3 mm CO line observations, are reported for a sample of 17 radio-quiet AGN selected from the IRAS Point Source Catalog. A variety of spectral shapes was found in a search for a low-frequency tail of the IR emission, including high-frequency excess at 2 cm in many sources. A search for far-IR emission from cool dust was negative except for the quasar I Zw 1. The CO luminosity of I Zw 1 is similar to the CO luminosities of IRAS galaxies with comparable far-IR luminosity.
Antonucci Robert
Barvainis Richard
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