Astronomy and Astrophysics – Astrophysics
Scientific paper
Nov 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992a%26a...265..429a&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 265, no. 2, p. 429-436.
Astronomy and Astrophysics
Astrophysics
53
Carbon Monoxide, Emission Spectra, Far Infrared Radiation, Quasars, Astronomical Spectroscopy, Point Sources, Red Shift
Scientific paper
We report detections of CO emission from the radio quiet quasars and luminous Seyfert 1 galaxies 0050+12, 0157+00, 0232-09, 0838+77, 1353+18, 1434+59, and 1613+65, and upper limits in five others. The observations show the same correlation between CO and FIR luminosity, and between 60-100 micron color temperature and the ratio L(FIR)/M(H2), as has previously been found for luminous IR galaxies. These results support thermal radiation from dust as the far-infrared source rather than synchrotron emission. Because we have observed with two different telescopes, and in two different transitions, we have been able to constrain source sizes in a few objects.
Alloin Danielle
Antonucci Robert R. J.
Barvainis Richard
Gordon Mark A.
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