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Science with ASKAP - the Australian Square Kilometre Array Pathfinder
S. Johnston, R. Taylor, M. Bailes +47
[ABRIDGED VERSION] The future of cm and m-wave astronomy lies with the Square Kilometre Array (SKA), a telescope under development by a consortium of 17 countries. The SKA will be…
Fifteen Years of High-Resolution Radio Imaging of Supernova 1987A
B. M. Gaensler, L. Staveley-Smith, R. N. Manchester +3
Supernova 1987A in the Large Magellanic Cloud provides a spectacularly detailed view of the aftermath of a core-collapse explosion. The supernova ejecta initially coasted outward a…
Simultaneous radio/X-ray observations of Cir X-1
V. Tudose, P. Soleri, R. P. Fender +4
We present a partial analysis of a multi-wavelength study of the X-ray binary Cir X-1, a system harboring the most relativistic outflow in our galaxy so far. The data were taken (a…
The pc-scale structure and evolution of BL Lac PKS 0003-066
S. Horiuchi, S. J. Tingay, C. J. West +11
We present the results of global VLBI observations of the BL Lac object PKS 0003-066 at 2.3 and 8.6 GHz, over a 10 year period using data from new and archived VLBA, geodetic VLBI,…
Rapid interstellar scintillation of PKS B1257-326: two-station pattern time delays and constraints on scattering and microarcsecond source structure
H. E. Bignall, J. -P. Macquart, D. L. Jauncey +3
We report measurements of time delays of up to 8 minutes in the centimeter wavelength variability patterns of the intra-hour scintillating quasar PKS 1257-326 as observed between t…
Interstellar scintillation as a probe of microarcsecond scale structure in quasars
H. E. Bignall, D. L. Jauncey, J. E. J. Lovell +9
Observations over the last two decades have shown that a significant fraction of all flat-spectrum, extragalactic radio sources exhibit flux density variations on timescales of a d…