Search Results - "Jauncey, David L"

Interstellar Scintillation and Scattering of Micro-arc-second AGN by Jauncey, David, Bignall, Hayley, Kedziora-Chudczer, Lucyna, Koay, Jun, Lovell, James, Macquart, Jean-Pierre, Ojha, Roopesh, Pursimo, Tapio, Reynolds, Cormac, Rickett, Barney

“…The discovery of the first quasar 3C 273 led directly to the discovery of their variability at optical and radio wavelengths. We review the radio variability…”
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THE MICRO-ARCSECOND SCINTILLATION-INDUCED VARIABILITY (MASIV) SURVEY. III. OPTICAL IDENTIFICATIONS AND NEW REDSHIFTS by Pursimo, Tapio, Ojha, Roopesh, Jauncey, David L, Rickett, Barney J, Dutka, Michael S, Koay, Jun Yi, Lovell, James E J, Bignall, Hayley E, Kedziora-Chudczer, Lucyna, Macquart, Jean-Pierre

“…Intraday variability (IDV) of the radio emission from active galactic nuclei is now known to be predominantly due to interstellar scintillation (ISS). The…”
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Deep Multiwaveband Observations of the Jets of 0208-512 and 1202-262 by Perlman, Eric S, Georganopoulos, Markos, Marshall, Herman L, Schwartz, Daniel A, Padgett, C. A, Gelbord, Jonathan, Lovell, J. E. J, Worrall, Diana M, Birkinshaw, Mark, Murphy, David W, Jauncey, David L

“…We present deep Hubble Space Telescope, Chandra, Very Large Array, and Australia Telescope Compact Array images of the jets of PKS 0208-512 and PKS 1202-262,…”
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Rapid Interstellar Scintillation of PKS 1257–326: Two-Station Pattern Time Delays and Constraints on Scattering and Microarcsecond Source Structure by Bignall, Hayley E, Macquart, Jean-Pierre, Jauncey, David L, Lovell, James E. J, Tzioumis, Anastasios K, Kedziora-Chudczer, Lucyna

“…We report measurements of time delays of up to 8 minutes in the centimeter-wavelength variability patterns of the intrahour scintillating quasar PKS 1257-326,…”
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Interstellar Scintillation of the Polarized Flux Density in Quasar PKS 0405–385 by Rickett, Barney J, Kedziora-Chudczer, Lucyna, Jauncey, David L

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Angular Broadening of Intraday Variable AGNs. II. Interstellar and Intergalactic Scattering by Lazio, T. Joseph W, Ojha, Roopesh, Fey, Alan L, Kedziora-Chudczer, Lucyna, Cordes, James M, Jauncey, David L, Lovell, James E. J

“…We analyze a sample of 58 multlwavelength, Very Long Baseline Array observations of active galactic nuclei (AGNs) to determine their scattering properties…”
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ATCA Monitoring Observations of 202 Compact Radio Sources in Support of the VSOP AGN Survey by Tingay, Steven J., Jauncey, David L., King, Edward A., Tzioumis, Anastasios K., Lovell, James E. J., Edwards, Philip G.

“…The Australia Telescope Compact Array (ATCA) has been used in support of the VLBI Space Observatory Programme (VSOP) space VLBI mission, to monitor the total…”
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Around the world with Space VLBI: A sense of many places by Jauncey, David L.

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Microarcsecond Radio Imaging using Earth-Orbit Synthesis by Macquart, Jean-Pierre, Jauncey, David L

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Strong, Variable Circular Polarization in PKS 1519–273 by Macquart, J.-P, Kedziora-Chudczer, Lucyna, Rayner, David P, Jauncey, David L

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Milliarcsecond Structure of Microarcsecond Sources: Comparison of Scintillating and Nonscintillating Extragalactic Radio Sources by Ojha, Roopesh, Fey, Alan L, Jauncey, David L, Lovell, James E. J, Johnston, Kenneth J

“…We compare the milliarcsecond-scale morphology of scintillating and nonscintillating sources. The scintillating sources are drawn from those flat-spectrum…”
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Interstellar Scintillation and Annual Cycles in the BL Lac Source PKS 1519-273 by Jauncey, David L., Johnston, Helen M., Bignall, Hayley E., Lovell, J.E.J., Kedziora-Chudczer, Lucyna, Tzioumis, A.K., Macquart, Jean-Pierre

“…We have measured annual cycles in the time scales of the rapid, intra-day variability of the total and circularly polarized flux density, of the unusual BL Lac…”
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Interstellar Scintillation Explains the Intraday Variations in the Linear Polarisation of Quasar PKS 0405-385 at cm-wavelengths by Rickett, Barney, Kedziora-Chudczer, Lucyna, Jauncey, David L.

“…During its burst of intraday variation (IDV) in June 1996 quasar PKS 0405–385 exhibited rapid changes in the Stokes parameters Q and U that were even faster…”
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Interstellar scintillation, ISS, and intrinsic variability of radio AGN by Jauncey, David L., Koay, Jun Yi, Bignall, Hayley, Macquart, Jean-Pierre, Pursimo, Tapio, Giroletti, Marcello, Hovatta, Talvikki, Kiehlmann, Sebastian, Rickett, Barney, Readhead, Anthony, Max-Moerbeck, Walter, Vedantham, Harish, Reynolds, Cormac, Lovell, James, Ojha, Roopesh, Kedziora-Chudczer, Lucyna

“…We investigate the relationship between the 5 GHz interstellar scintillation (ISS) and the 15 GHz intrinsic variability of the compact, radio-selected active…”
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Similarities between Circular Polarization in Galactic Jet Sources and AGN by Macquart, Jean-Pierre, Wu, Kinwah, Hannikainen, Diana C., Sault, Robert J., Jauncey, David L.

“…We compare the observational properties of the circular polarization in Galactic jet sources with that observed in AGN, and outline the constraints they place…”
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Examples of extreme intraday variability by Kedziora-chudczer, Lucyna, Jauncey, David L, Wieringa, Mark A, Tzioumis, Anastasios K, Bignall, Hayley E

“…We present results of the ATCA IDV Survey of southern extragalactic radio sources. We discuss briefly the properties of the 22 new intraday variable sources…”
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Compact radio emission in 60-mum peaker galaxies by Heisler, Charlene A., Norris, Ray P., Jauncey, David L., Reynolds, John E., King, Edward A.

“…Abstract only…”
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Radio Intra-Day Variability: Answers and Questions by Jauncey, David L, Kedziora-chudczer, Lucyna, Lovell, James Ej, Macquart, Jean-pierre, Nicolson, George D, Perley, Rick A, Reynolds, John E, Tzioumis, Anastasios K, Wieringa, Mark H, Bignall, Hayley E

“…Intra-day variability (IDV) of active galactic nuclei (AGN) has been detected from gamma-ray energies to radio wavelengths. At high energies, such variability…”
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Gravitational deflection of polarised radiation by Harwit, Martin, Lovelace, R. V. E, Dennison, Brian, Jauncey, David L, Broderick, John

“…An upper limit is determined for the difference in the deflection of beams of orthogonally polarized radiation passing through the sun's gravitational field. A…”
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Discovery of a Subparsec Radio Counterjet in the Nucleus of Centaurus A by Jones, Dayton L, Tingay, Steven J, Murphy, David W, Meier, David L, Jauncey, David L, Reynolds, John E, Tzioumis, Anastasios K, Preston, Robert A, McCulloch, Peter M, Costa, Marco E, Kemball, Athol J, Nicolson, George D, Quick, Jonathan F. H, King, Edward A, Lovell, James E. J, Clay, R. W, Ferris, Richard H, Gough, R. G, Sinclair, M. W, Ellingsen, S. P, Edwards, P. G, Jones, P. A, van Ommen, T. D, Harbison, Paul, Migenes, Victor

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