Anastasios K. Tzioumis

Overview of the coordinated ground-based observations of Titan during the Huygens mission (2008)

Olivier Witasse, Jean-pierre Lebreton, Michael K. Bird, Robindro Dutta-roy, William M. Folkner, Robert A. Preston, ...

[1] Coordinated ground-based observations of Titan were performed around or during the Huygens atmospheric probe mission at Titan on 14 January 2005, connecting the momentary in situ observations by...

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...

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 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...

Detection of compact radio emission from Circinus X-1 with the first Southern hemisphere e-VLBI experiment (2007)

Phillips, Chris J., Deller, A., Amy, Shaun W., Tingay, S. J., Tzioumis, Anastasios K., Reynolds, John E., ...

Circinus X-1 has recently returned to a state of strong radio flaring. Here we report on the first VLBI observations, and detection, undertaken in the 25 years since the 1975-1985 period of strong...

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...

Detection of compact radio emission from Circinus X-1 with the first Southern hemisphere e-VLBI experiment (2007)

Phillips, Chris J., Deller, A., Amy, Shaun W., Tingay, S. J., Tzioumis, Anastasios K., Reynolds, John E., ...

Circinus X-1 has recently returned to a state of strong radio flaring. Here we report on the first VLBI observations, and detection, undertaken in the 25 years since the 1975-1985 period of strong...

Overview of the coordinated ground-based observations of Titan during the Huygens mission (2006)

Witasse, Olivier, Lebreton, Jean-Pierre, Bird, Michael K., Dutta-Roy, Robindro, Folkner, William M., Preston, Robert A., ...

Coordinated ground-based observations of Titan were performed around or during the Huygens atmospheric probe mission at Titan on 14 January 2005, connecting the momentary in situ observations by the...

Overview of the coordinated ground-based observations of Titan during the Huygens mission (2006)

Witasse, Olivier, Lebreton, Jean-Pierre, Bird, Michael K., Dutta-Roy, Robindro, Folkner, William M., Preston, Robert A., ...

Coordinated ground-based observations of Titan were performed around or during the Huygens atmospheric probe mission at Titan on 14 January 2005, connecting the momentary in situ observations by the...

Overview of the coordinated ground-based observations of Titan during the Huygens mission (2006)

Witasse, Olivier, Lebreton, Jean-Pierre, Bird, Michael K., Dutta-Roy, Robindro, Folkner, William M., Preston, Robert A., ...

Coordinated ground-based observations of Titan were performed around or during the Huygens atmospheric probe mission at Titan on 14 January 2005, connecting the momentary in situ observations by the...

Overview of the coordinated ground-based observations of Titan during the Huygens mission (2006)

Witasse, Olivier, Lebreton, Jean-Pierre, Bird, Michael K., Dutta-Roy, Robindro, Folkner, William M., Preston, Robert A., ...

Coordinated ground-based observations of Titan were performed around or during the Huygens atmospheric probe mission at Titan on 14 January 2005, connecting the momentary in situ observations by the...

Overview of the coordinated ground-based observations of Titan during the Huygens mission (2006)

Witasse, Olivier, Lebreton, Jean-Pierre, Bird, Michael K., Dutta-Roy, Robindro, Folkner, William M., Preston, Robert A., ...

Coordinated ground-based observations of Titan were performed around or during the Huygens atmospheric probe mission at Titan on 14 January 2005, connecting the momentary in situ observations by the...

Upper Limits on Central Black Hole Masses of Globular Clusters from Radio Emission and a Possible Black Hole Detection in the Ursa Minor Dwarf Galaxy (2004)

Maccarone, Thomas J., Fender, Robert P., Tzioumis, Anastasios K.

Intermediate mass black holes have been alternatively predicted to be quite common in the centers of globular clusters or nearly impossible to form and retain in the centers of globular clusters. As...

The Australian experience with the PC-EVN recorder (2004)

Briggs, Franklin H., Dodson, R. G., Phillips, Chris, Ritakari, J., Tingay, Steven J., Tzioumis, Anastasios K., ...

We report on our experiences using the Metsähovi Radio Observatory's (MRO) VLBI Standard Interface (VSI, Whitney 2002) recorder in a number of astronomical applications. The PC-EVN device is a...

On the origin of radio emission in the x-ray states of XTE J1650-500 during the 2001-2002 outburst (2004)

Corbel, Stéphane, Fender, Robert P., Tomsick, J. A., Tzioumis, Anastasios K., Tingay, Steven J.

We report on simultaneous radio and X-ray observations of the black hole candidate XTE J1650-500 during the course of its 2001-2002 outburst. The scheduling of the observations allowed us to sample...

The radio variability of the gravitational lens PMN J1838-3427 (2004)

Winn, Joshua N., Lovell, James E., Bignall, Hayley E., Gaensler, Bryan M., Getts, Tracy J., Kedziora-Chudczer, Lucyna L., ...

We present the results of a radio variability study of the gravitational lens PMN J1838-3427. Our motivation was to determine the Hubble constant by measuring the time delay between variations of the...

On the origin of radio emission in the x-ray states of XTE J1650-500 during the 2001-2002 outburst (2004)

Corbel, Stéphane, Fender, Robert P., Tomsick, J. A., Tzioumis, Anastasios K., Tingay, Steven J.

We report on simultaneous radio and X-ray observations of the black hole candidate XTE J1650-500 during the course of its 2001-2002 outburst. The scheduling of the observations allowed us to sample...

The radio variability of the gravitational lens PMN J1838-3427 (2004)

Winn, Joshua N., Lovell, James E., Bignall, Hayley E., Gaensler, Bryan M., Getts, Tracy J., Kedziora-Chudczer, Lucyna L., ...

We present the results of a radio variability study of the gravitational lens PMN J1838-3427. Our motivation was to determine the Hubble constant by measuring the time delay between variations of the...

The Australian experience with the PC-EVN recorder (2004)

Briggs, Franklin H., Dodson, R. G., Phillips, Chris, Ritakari, J., Tingay, Steven J., Tzioumis, Anastasios K., ...

We report on our experiences using the Metsähovi Radio Observatory's (MRO) VLBI Standard Interface (VSI, Whitney 2002) recorder in a number of astronomical applications. The PC-EVN device is a...

On the origin of radio emission in the x-ray states of XTE J1650-500 during the 2001-2002 outburst (2004)

Corbel, Stéphane, Fender, Robert P., Tomsick, J. A., Tzioumis, Anastasios K., Tingay, Steven J.

We report on simultaneous radio and X-ray observations of the black hole candidate XTE J1650-500 during the course of its 2001-2002 outburst. The scheduling of the observations allowed us to sample...

The radio variability of the gravitational lens PMN J1838-3427 (2004)

Winn, Joshua N., Lovell, James E., Bignall, Hayley E., Gaensler, Bryan M., Getts, Tracy J., Kedziora-Chudczer, Lucyna L., ...

We present the results of a radio variability study of the gravitational lens PMN J1838-3427. Our motivation was to determine the Hubble constant by measuring the time delay between variations of the...

The Australian experience with the PC-EVN recorder (2004)

Briggs, Franklin H., Dodson, R. G., Phillips, Chris, Ritakari, J., Tingay, Steven J., Tzioumis, Anastasios K., ...

We report on our experiences using the Metsähovi Radio Observatory's (MRO) VLBI Standard Interface (VSI, Whitney 2002) recorder in a number of astronomical applications. The PC-EVN device is a...

On the origin of radio emission in the x-ray states of XTE J1650-500 during the 2001-2002 outburst (2004)

Corbel, Stéphane, Fender, Robert P., Tomsick, J. A., Tzioumis, Anastasios K., Tingay, Steven J.

We report on simultaneous radio and X-ray observations of the black hole candidate XTE J1650-500 during the course of its 2001-2002 outburst. The scheduling of the observations allowed us to sample...

The radio variability of the gravitational lens PMN J1838-3427 (2004)

Winn, Joshua N., Lovell, James E., Bignall, Hayley E., Gaensler, Bryan M., Getts, Tracy J., Kedziora-Chudczer, Lucyna L., ...

We present the results of a radio variability study of the gravitational lens PMN J1838-3427. Our motivation was to determine the Hubble constant by measuring the time delay between variations of the...

The Australian experience with the PC-EVN recorder (2004)

Briggs, Franklin H., Dodson, R. G., Phillips, Chris, Ritakari, J., Tingay, Steven J., Tzioumis, Anastasios K., ...

We report on our experiences using the Metsähovi Radio Observatory's (MRO) VLBI Standard Interface (VSI, Whitney 2002) recorder in a number of astronomical applications. The PC-EVN device is a...

On the origin of radio emission in the x-ray states of XTE J1650-500 during the 2001-2002 outburst (2004)

Corbel, Stéphane, Fender, Robert P., Tomsick, J. A., Tzioumis, Anastasios K., Tingay, Steven J.

We report on simultaneous radio and X-ray observations of the black hole candidate XTE J1650-500 during the course of its 2001-2002 outburst. The scheduling of the observations allowed us to sample...

The radio variability of the gravitational lens PMN J1838-3427 (2004)

Winn, Joshua N., Lovell, James E., Bignall, Hayley E., Gaensler, Bryan M., Getts, Tracy J., Kedziora-Chudczer, Lucyna L., ...

We present the results of a radio variability study of the gravitational lens PMN J1838-3427. Our motivation was to determine the Hubble constant by measuring the time delay between variations of the...

The Australian experience with the PC-EVN recorder (2004)

Briggs, Franklin H., Dodson, R. G., Phillips, Chris, Ritakari, J., Tingay, Steven J., Tzioumis, Anastasios K., ...

We report on our experiences using the Metsähovi Radio Observatory's (MRO) VLBI Standard Interface (VSI, Whitney 2002) recorder in a number of astronomical applications. The PC-EVN device is a...

Identification of the new low-redshift GHz-peaked spectrum radio source and implications for the GHz-peaked spectrum class (2003)

Edwards, Philip G., Tingay, Steven J., Tzioumis, Anastasios K.

The extragalactic radio source PKS B2254-367, associated with the galaxy IC 1459, is identified as a GHz-peaked spectrum (GPS) radio source. At a distance of 19 Mpc, PKS B2254-367 is one of the...

ATCA monitoring observations of 202 compact radio sources in support of the VSOP AGN Survey (2003)

Edwards, Philip G., Jauncey, David L., King, E. A., Lovell, James E., Tingay, Steven J., Tzioumis, Anastasios K., ...

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 and polarised flux densities of 202...

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...

Rapid variability and annual cycles in the characteristic timescale of the scintillating source PKS 1257-326 (2003)

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...

Identification of the new low-redshift GHz-peaked spectrum radio source and implications for the GHz-peaked spectrum class (2003)

Edwards, Philip G., Tingay, Steven J., Tzioumis, Anastasios K.

The extragalactic radio source PKS B2254-367, associated with the galaxy IC 1459, is identified as a GHz-peaked spectrum (GPS) radio source. At a distance of 19 Mpc, PKS B2254-367 is one of the...

ATCA monitoring observations of 202 compact radio sources in support of the VSOP AGN Survey (2003)

Edwards, Philip G., Jauncey, David L., King, E. A., Lovell, James E., Tingay, Steven J., Tzioumis, Anastasios K.

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 and polarised flux densities of 202...

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...

Rapid variability and annual cycles in the characteristic timescale of the scintillating source PKS 1257-326 (2003)

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...

Identification of the new low-redshift GHz-peaked spectrum radio source and implications for the GHz-peaked spectrum class (2003)

Edwards, Philip G., Tingay, Steven J., Tzioumis, Anastasios K.

The extragalactic radio source PKS B2254-367, associated with the galaxy IC 1459, is identified as a GHz-peaked spectrum (GPS) radio source. At a distance of 19 Mpc, PKS B2254-367 is one of the...

ATCA monitoring observations of 202 compact radio sources in support of the VSOP AGN Survey (2003)

Edwards, Philip G., Jauncey, David L., King, E. A., Lovell, James E., Tingay, Steven J., Tzioumis, Anastasios K.

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 and polarised flux densities of 202...

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...

Rapid variability and annual cycles in the characteristic timescale of the scintillating source PKS 1257-326 (2003)

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...

ATCA monitoring observations of 202 compact radio sources in support of the VSOP AGN Survey (2003)

Edwards, Philip G., Jauncey, David L., King, E. A., Lovell, James E., Tingay, Steven J., Tzioumis, Anastasios K.

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 and polarised flux densities of 202...

Identification of the new low-redshift GHz-peaked spectrum radio source and implications for the GHz-peaked spectrum class (2003)

Edwards, Philip G., Tingay, Steven J., Tzioumis, Anastasios K.

The extragalactic radio source PKS B2254-367, associated with the galaxy IC 1459, is identified as a GHz-peaked spectrum (GPS) radio source. At a distance of 19 Mpc, PKS B2254-367 is one of the...

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...

Rapid variability and annual cycles in the characteristic timescale of the scintillating source PKS 1257-326 (2003)

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...

ATCA monitoring observations of 202 compact radio sources in support of the VSOP AGN Survey (2003)

Edwards, Philip G., Jauncey, David L., King, E. A., Lovell, James E., Tingay, Steven J., Tzioumis, Anastasios K.

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 and polarised flux densities of 202...

Identification of the new low-redshift GHz-peaked spectrum radio source and implications for the GHz-peaked spectrum class (2003)

Edwards, Philip G., Tingay, Steven J., Tzioumis, Anastasios K.

The extragalactic radio source PKS B2254-367, associated with the galaxy IC 1459, is identified as a GHz-peaked spectrum (GPS) radio source. At a distance of 19 Mpc, PKS B2254-367 is one of the...

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...

Rapid variability and annual cycles in the characteristic timescale of the scintillating source PKS 1257-326 (2003)

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...

A sample of southern Compact Steep Spectrum radio sources : the VLBI observations (2002)

Clay, Roger W., Costa, M. E., Dallacasa, D., Edwards, Philip G., Fanti, C., Ferris, Richard H., ...

A small sample of 7 southern Compact Steep Spectrum (CSS) radio sources has been selected as part of the study of a larger flux-limited complete sample of radio sources. High resolution images, using...

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...

A sample of southern Compact Steep Spectrum radio sources : the VLBI observations (2002)

Clay, Roger W., Costa, M. E., Dallacasa, D., Edwards, Philip G., Fanti, C., Ferris, Richard H., ...

A small sample of 7 southern Compact Steep Spectrum (CSS) radio sources has been selected as part of the study of a larger flux-limited complete sample of radio sources. High resolution images, using...