Millimetre and Submillimetre Photometry and Imaging of Cygnus A

Details Millimetre and Submillimetre Photometry and Imaging of Cygnus A Millimetre and Submillimetre Photometry and Imaging of Cygnus A

Dec 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997aas...191.2201r&link_type=abstract

American Astronomical Society, 191st AAS Meeting, #22.01; Bulletin of the American Astronomical Society, Vol. 29, p.1247

Astronomy and Astrophysics

Astronomy

1

Scientific paper

We will present 2mm and 1.3mm photometry plus 850mu m through 450mu m imaging of the central nucleus and lobes in Cygnus A. Observations show that the synchrotron power law extends without break to 450mu m and with spectral indices of about 0.9 and 0.15 for the hotspots and the core, respectively. Although there is no evidence of thermal emission from dust at 450mu m, these data in combination with the IRAS do no preclude significant thermal emission from dust at 75K.

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