The microarcsecond quasar J1819+3845
Astrophysics
2007-05-23 v1
Abstract
We present new WSRT observations of the micro-arcsecond quasar J1819+3845. All short term variations are attributed to interstellar scintillation of a source which is at most 30 micro-arcseconds in diameter. The timescale of the modulations changes over the year, which we interpret as due to a peculiar velocity of the scattering medium. The scintillation behaviour can be used to determine sub-structure in the source.
Cite
@article{arxiv.astro-ph/0012188,
title = {The microarcsecond quasar J1819+3845},
author = {J. Dennett-Thorpe and A. G. de Bruyn},
journal= {arXiv preprint arXiv:astro-ph/0012188},
year = {2007}
}
Comments
3 pages, 1 figure, for IAU Symposium 205: Galaxies and their Constituents at the Highest Angular Resolutions, Manchester UK, August 2000. Proceedings to be published by ASP, edited by R. Schilizzi, S. Vogel, F. Paresce, M. Elvis. Includes figure not found in published version