VSOP Observations of the Blazar S5 2007+77
K. E. Gabanyi, T. P. Krichbaum, A. Kraus, A. Witzel, J.A. Zensus
TL;DR
This study uses VSOP observations at 5 GHz to investigate the intraday variability of the blazar S5 2007+77, revealing polarization flux variations with high angular resolution.
Contribution
First high-resolution VLBI observations at 5 GHz to analyze intraday variability in S5 2007+77.
Findings
Detected ~10% variations in polarized flux density
Observed intraday variability at cm wavelengths
Provided insights into the origin of variability
Abstract
The blazar, S5 2007+77 shows intraday variability in cm wavelengths. Seven epochs of VSOP observations were carried out in 1998 and 1999 at 5 GHz to look for the origin of the variability with the highest achievable angular resolution at cm wavelengths. Here the results of four epochs are analysed, which revealed ~10% variations in polarized flux density.
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Taxonomy
TopicsAstrophysics and Cosmic Phenomena · Superconducting Materials and Applications · Particle Accelerators and Free-Electron Lasers