Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21714202m&link_type=abstract
American Astronomical Society, AAS Meeting #217, #142.02; Bulletin of the American Astronomical Society, Vol. 43, 2011
Astronomy and Astrophysics
Astronomy
Scientific paper
The OVRO 40 m telescope has been monitoring 1500 blazars since 2007. The sources are observed twice per week at 15 GHz. The sample contains all CGRaBS sources and the gamma-ray blazars detected by Fermi which are visible from OVRO. The availability of a large sample of sources with good cadence at radio and gamma-ray offers the opportunity to test the suggestion of correlated variability between these two bands. A Monte Carlo method to assess the physical significance of the cross-correlations taking into account the properties of the light curves and the uneven sampling is presented. Application to an early data set shows that in most cases the cross-correlations are not significant and that longer time duration light curves are required.
Angelakis Emmanouil
Cotter Garret
Fuhrmann Lars
Gainge K.
Healey Stephen E.
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