Brisken, Walter F., Macquart, Jean-Pierre, Gao, Jian-Jian, Rickett, Barney, Coles, William, Deller, Adam, ...
We have invented a novel technique to measure the radio image of a pulsar scattered by the interstellar plasma with 0.1 mas resolution. We extend the "secondary spectrum" analysis of parabolic arcs...
Annual Cycles in the Interstellar Scintillation Timescales of PKS B1519-273 and PKS B1622-253 (2009)
Carter, Steven J. B., Ellingsen, Simon P., Macquart, Jean-Pierre, Lovell, James E. J.
We have used the University of Tasmania's 30 m radio telescope at Ceduna in South Australia to regularly monitor the flux density of a number of southern blazars. We report the detection of an annual...
A comprehensive study of GRB 070125, a most energetic gamma-ray burst (2008)
Chandra, Poonam, Cenko, S. Bradley, Frail, Dale A., Chevalier, Roger A., Macquart, Jean-Pierre, Kulkarni, Shri R., ...
We present a comprehensive multiwavelength analysis of the bright, long-duration gamma-ray burst GRB 070125, comprised of observations in gamma-ray, X-ray, optical, millimeter, and centimeter wave...
A comprehensive study of GRB 070125, a most energetic gamma-ray burst (2008)
Chandra, Poonam, Cenko, S. Bradley, Frail, Dale A., Chevalier, Roger A., Macquart, Jean-Pierre, Kulkarni, Shri R., ...
We present a comprehensive multiwavelength analysis of the bright, long-duration gamma-ray burst GRB 070125, comprised of observations in gamma-ray, X-ray, optical, millimeter, and centimeter wave...
Multiwaveband analysis of brightest GRB070125 (2008)
Chandra, Poonam, Cenko, S. Bradley, Frail, Dale A., Chevalier, Roger A., Macquart, Jean-Pierre, Kulkarni, Shri R., ...
We present a comprehensive multiwavelength analysis of the bright, long duration gamma-ray burst GRB 070125, comprised of observations in gamma-ray, X-ray, optical, millimeter and centimeter...
A comprehensive study of GRB 070125, a most energetic gamma ray burst (2008)
Chandra, Poonam, Cenko, S. Bradley, Frail, Dale, Chevalier, Roger, Macquart, Jean-Pierre, Kulkarni, Shri, ...
We present a comprehensive multiwavelength analysis of the bright, long duration gamma-ray burst GRB 070125, comprised of observations in $\gamma$-ray, X-ray, optical, millimeter and centimeter...
Science with ASKAP: the Australian square-kilometre-array pathfinder (2008)
Johnston, Simon, Bailes, Matthew, Bartel, Norbert, Baugh, Carlton, Bietenholz, Michael F., Blake, Chris, ...
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 50 times more sensitive than any...
Science with ASKAP: the Australian square-kilometre-array pathfinder (2008)
Johnston, Simon, Bailes, Matthew, Bartel, Norbert, Baugh, Carlton, Bietenholz, Michael F., Blake, Chris, ...
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 50 times more sensitive than any...
Interstellar scintillation, AGN physics and the SKA (2008)
Bignall, Hayley, Lovell, J, Rickett, B.J., Macquart, Jean-Pierre, Jauncey, J., Kedziora-Chudczer, L., ...
A large fraction of compact, extragalactic radio sources exhibit rapid variability at centimetre wavelengths as their radio emission is scattered by electron density fluctuations in the interstellar...
Science with ASKAP: the Australian square-kilometre-array pathfinder (2008)
Johnston, Simon, Bailes, Matthew, Bartel, Norbert, Baugh, Carlton, Bietenholz, Michael F., Blake, Chris, ...
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 50 times more sensitive than any...
Limits on the Detection of Transients Imposed by Scattering (2007)
The author has recognized an error in the section of the text regarding induced Compton scattering. The paper has been withdrawn pending a revision to this section.
Macquart, Jean-Pierre, De Bruyn, Ger
The 4.8 GHz lightcurves of the scintillating intra-day variable quasar J1819+3845 during 2004-5 exhibit sharp structure, down to a time scale of 15 minutes, that was absent from lightcurves taken...
Science with the Australian Square Kilometre Array Pathfinder (2007)
Johnston, S., Bailes, Matthew, Bartel, N., Baugh, C., Bientneholz, M., Blake, Christopher J., ...
Copyright © Astronomical Society of Australia 2007 Open Access
Science with the Australian Square Kilometre Array Pathfinder (2007)
Johnston, Simon, Bailes, Matthew, Bartel, Norbert, Baugh, Carlton, Bietenholz, Michael F., Blake, Chris, ...
The future of centimetre and metre-wave astronomy lies with the Square Kilometre Array (SKA), a telescope under development by a consortium of 17 countries that will be 50 times more sensitive than...
Science with the Australian Square Kilometre Array Pathfinder (2007)
Johnston, S., Bailes, Matthew, Bartel, N., Baugh, C., Bientneholz, M., Blake, Christopher J., ...
Copyright © Astronomical Society of Australia 2007 Open Access
Science with the Australian Square Kilometre Array Pathfinder (2007)
Johnston, Simon, Bailes, Matthew, Bartel, Norbert, Baugh, Carlton, Bietenholz, Michael F., Blake, Chris, ...
The future of centimetre and metre-wave astronomy lies with the Square Kilometre Array (SKA), a telescope under development by a consortium of 17 countries that will be 50 times more sensitive than...
Science with the Australian Square Kilometre Array Pathfinder (2007)
Johnston, Simon, Bailes, Matthew, Bartel, Norbert, Baugh, Carlton, Bietenholz, Michael F., Blake, Chris, ...
The future of centimetre and metre-wave astronomy lies with the Square Kilometre Array (SKA), a telescope under development by a consortium of 17 countries that will be 50 times more sensitive than...
Science with the Australian Square Kilometre Array Pathfinder (2007)
Johnston, Simon, Bailes, Matthew, Bartel, Norbert, Baugh, Carlton, Bietenholz, Michael F., Blake, Chris, ...
The future of centimetre and metre-wave astronomy lies with the Square Kilometre Array (SKA), a telescope under development by a consortium of 17 countries that will be 50 times more sensitive than...
Science with the Australian Square Kilometre Array Pathfinder (2007)
Johnston, Simon, Bailes, Matthew, Bartel, Norbert, Baugh, Carlton, Bietenholz, Michael F., Blake, Chris, ...
The future of centimetre and metre-wave astronomy lies with the Square Kilometre Array (SKA), a telescope under development by a consortium of 17 countries that will be 50 times more sensitive than...
Scattering of Gravitational Radiation: Intensity Fluctuations (2006)
The effect of gravitational microlensing on the intensity of gravitational radiation as it propagates through an inhomogeneous medium containing small-scale structure is considered. Lensing by both...
The Rotation Measure and 3.5mm Polarization of Sgr A* (2006)
Macquart, Jean-Pierre, Bower, Geoffrey C., Wright, Melvyn C. H., Backer, Donald C., Falcke, Heino
We report the detection of variable linear polarization from Sgr A* at a wavelength of 3.5mm, the longest wavelength yet at which a detection has been made. The mean polarization is 2.1 +/- 0.1% at a...
Understanding the Radio Variability of Sgr A* (2005)
Macquart, Jean-Pierre, Bower, Geoff
We determine the characteristics of the 7mm to 20cm wavelength radio variability in Sgr A* on time scales from days to three decades. The amplitude of the intensity modulation is between 30 and 39%...
Diffractive Interstellar Scintillation of the Quasar J1819+3845 at 21cm (2005)
Macquart, Jean-Pierre, De Bruyn, Ger
We report the discovery of fast, frequency-dependent intensity variations from the scintillating intra-day variable quasar J1819+3845 at a wavelength of 21cm which resemble diffractive interstellar...
Scintillation-induced Variability in Radio Absorption Spectra against Extragalactic Sources (2004)
Spectral features absorbed against some radio quasars exhibit ~50mJy variations, with the lines varying both relative to the continuum and, when several lines are present, even relative to one...
Variability in GPS sources (2003)
Bignall, Hayley E., Jauncey, David L., Kedziora-Chudczer, Lucyna L., King, Edward A., Lovell, James E., Macquart, Jean-Pierre, ...
Flux density monitoring data at 2.3 and 8.4 GHz is presented for a sample of 33 southern hemisphere GPS sources, drawn from the 2.7 GHz Parkes survey. This monitoring data, together with VLBI...
Bignall, Hayley E., Jauncey, David L., Lovell, James E., Tzioumis, Anastasios K., Kedziora-Chudczer, Lucyna L., Macquart, Jean-Pierre, ...
Rapid radio intraday variability (IDV) has been discovered in the southern quasar PKS 1257-326. Flux density changes of up to 40% in as little as 45 minutes have been observed in this source, making...
Variability in GPS sources (2003)
Bignall, Hayley E., Jauncey, David L., Kedziora-Chudczer, Lucyna L., King, Edward A., Lovell, James E., Macquart, Jean-Pierre, ...
Flux density monitoring data at 2.3 and 8.4 GHz is presented for a sample of 33 southern hemisphere GPS sources, drawn from the 2.7 GHz Parkes survey. This monitoring data, together with VLBI...
Bignall, Hayley E., Jauncey, David L., Lovell, James E., Tzioumis, Anastasios K., Kedziora-Chudczer, Lucyna L., Macquart, Jean-Pierre, ...
Rapid radio intraday variability (IDV) has been discovered in the southern quasar PKS 1257-326. Flux density changes of up to 40% in as little as 45 minutes have been observed in this source, making...
Variability in GPS sources (2003)
Bignall, Hayley E., Jauncey, David L., Kedziora-Chudczer, Lucyna L., King, Edward A., Lovell, James E., Macquart, Jean-Pierre, ...
Flux density monitoring data at 2.3 and 8.4 GHz is presented for a sample of 33 southern hemisphere GPS sources, drawn from the 2.7 GHz Parkes survey. This monitoring data, together with VLBI...
Bignall, Hayley E., Jauncey, David L., Lovell, James E., Tzioumis, Anastasios K., Kedziora-Chudczer, Lucyna L., Macquart, Jean-Pierre, ...
Rapid radio intraday variability (IDV) has been discovered in the southern quasar PKS 1257-326. Flux density changes of up to 40% in as little as 45 minutes have been observed in this source, making...
Variability in GPS sources (2003)
Bignall, Hayley E., Jauncey, David L., Kedziora-Chudczer, Lucyna L., King, Edward A., Lovell, James E., Macquart, Jean-Pierre, ...
Flux density monitoring data at 2.3 and 8.4 GHz is presented for a sample of 33 southern hemisphere GPS sources, drawn from the 2.7 GHz Parkes survey. This monitoring data, together with VLBI...
Bignall, Hayley E., Jauncey, David L., Lovell, James E., Tzioumis, Anastasios K., Kedziora-Chudczer, Lucyna L., Macquart, Jean-Pierre, ...
Rapid radio intraday variability (IDV) has been discovered in the southern quasar PKS 1257-326. Flux density changes of up to 40% in as little as 45 minutes have been observed in this source, making...
Variability in GPS sources (2003)
Bignall, Hayley E., Jauncey, David L., Kedziora-Chudczer, Lucyna L., King, Edward A., Lovell, James E., Macquart, Jean-Pierre, ...
Flux density monitoring data at 2.3 and 8.4 GHz is presented for a sample of 33 southern hemisphere GPS sources, drawn from the 2.7 GHz Parkes survey. This monitoring data, together with VLBI...
Bignall, Hayley E., Jauncey, David L., Lovell, James E., Tzioumis, Anastasios K., Kedziora-Chudczer, Lucyna L., Macquart, Jean-Pierre, ...
Rapid radio intraday variability (IDV) has been discovered in the southern quasar PKS 1257-326. Flux density changes of up to 40% in as little as 45 minutes have been observed in this source, making...
New results from an ATCA study of intraday variable radio sources (2002)
Bignall, Hayley E., Clay, Roger W., Dodson, R. G., Jauncey, David L., Kedziora-Chudczer, Lucyna L., Lovell, James E., ...
We are undertaking an observational program using the ATCA to monitor the intraday variability (IDV) of a sample of sources at 4.8 and 8.6 GHz. The sources were selected to include the known strong...
New results from an ATCA study of intraday variable radio sources (2002)
Bignall, Hayley E., Clay, Roger W., Dodson, R. G., Jauncey, David L., Kedziora-Chudczer, Lucyna L., Lovell, James E., ...
We are undertaking an observational program using the ATCA to monitor the intraday variability (IDV) of a sample of sources at 4.8 and 8.6 GHz. The sources were selected to include the known strong...
New results from an ATCA study of intraday variable radio sources (2002)
Bignall, Hayley E., Clay, Roger W., Dodson, R. G., Jauncey, David L., Kedziora-Chudczer, Lucyna L., Lovell, James E., ...
We are undertaking an observational program using the ATCA to monitor the intraday variability (IDV) of a sample of sources at 4.8 and 8.6 GHz. The sources were selected to include the known strong...
New results from an ATCA study of intraday variable radio sources (2002)
Bignall, Hayley E., Clay, Roger W., Dodson, R. G., Jauncey, David L., Kedziora-Chudczer, Lucyna L., Lovell, James E., ...
We are undertaking an observational program using the ATCA to monitor the intraday variability (IDV) of a sample of sources at 4.8 and 8.6 GHz. The sources were selected to include the known strong...
New results from an ATCA study of intraday variable radio sources (2002)
Bignall, Hayley E., Clay, Roger W., Dodson, R. G., Jauncey, David L., Kedziora-Chudczer, Lucyna L., Lovell, James E., ...
We are undertaking an observational program using the ATCA to monitor the intraday variability (IDV) of a sample of sources at 4.8 and 8.6 GHz. The sources were selected to include the known strong...
Scintillation and circular polarization in radio sources (2000)
Bibliography: leaves 113-125.