2 papers
astro-ph2001
Circular Polarization in AGN
J. -P. Macquart
We discuss the constraints that recent observations place on circular polarization in AGN. In many sources the circular polarization is variable on short timescales, indicating tha…
astro-ph2000
Nanoarcsecond single-dish imaging of the Vela pulsar
J. -P. Macquart, S. Johnston, M. Walker +1
We have measured the properties of the diffractive scintillation toward the Vela pulsar under the extremely strong scattering conditions encountered at 660 MHz. We obtain a decorre…