Astronomy and Astrophysics – Astronomy
Scientific paper
Feb 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010head...11.3302w&link_type=abstract
American Astronomical Society, HEAD meeting #11, #33.02; Bulletin of the American Astronomical Society, Vol. 41, p.706
Astronomy and Astrophysics
Astronomy
Scientific paper
We present 230 GHz continuum fluxes of blazars on the Fermi LAT Monitored Source List. The data were obtained at the Submillimeter Array in 2009 at approximately three-week intervals, and, with the addition of infrequently-sampled flux calibrator data obtained in a separate SMA service program led by M. Gurwell, provide light curves that may be correlated with Fermi LAT photometry. From the comparison, time delays between delays at different bands can be derived. We can also compare the relative amplitudes at millimeter and gamma ray bands of flaring and quiescent levels. The science goal is to clarify how and where relativistic charged particles emit synchrotron radiation and also act as scatterers of low energy photons up to gamma ray energies. For many of the bright blazars in our SMA sample, we will measure the separation between the millimeter and optical core-jet features at the level of a few microarcseconds, using millimeter VLBI and SIM Lite in the not too distant future.
Gurwell Mark
Wehrle Ann E.
Zook Alma C.
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