Statistics – Computation
Scientific paper
Nov 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987apjs...65..319f&link_type=abstract
Astrophysical Journal Supplement Series (ISSN 0067-0049), vol. 65, Nov. 1987, p. 319-384.
Statistics
Computation
51
Extragalactic Radio Sources, Light Curve, Quasars, Radiant Flux Density, Variable Stars, Computational Astrophysics, Cross Correlation, Frequency Ranges, High Resolution
Scientific paper
Radio observations of 33 compact extragalactic sources, obtained at 2.695 and 8.085 GHz using the Green Bank interferometer as part of a regular monitoring program during 1979-1985, are reported. The calibration and data-analysis procedures are described, and the results are presented in extensive tables and graphs. Although the light-curve variations are found to be dominated by intrinsic changes, some refractive interstellar scintillation effects and anomalous light-curve dropouts (tentatively attributed to occultation events) are also observed. An unexpected linear dependence of the rms variation at 2.695 GHz compared with that at 8.085 GHz was found, indicating that the onset and evolution of flares must be similar in different sources.
Angerhofer P. E.
Fiedler Ralph L.
Florkowski D. R.
Johnston Ken J.
Josties F. J.
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