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Showing results for: [ compact binaries and/or black-holes ]
This is a request for observing time for the timing campaign of new pulsar discoveries and follow-up of expected new potential pulsars from the re-processing of the low-latitude Galactic plane section... more of the HTRU survey (P630). We have now completed the first pass re-processing of the 62 % of the survey with GPU based coherent acceleration search and template bank search pipelines, and have discovered 51 previously unknown pulsars. Interesting science can usually only be derived from a new pulsar after confirmation and a follow-up timing campaign is carried out. One year of initial timing is the minimum timespan required to fully characterise any newly-discovered pulsars, essential for deriving pulsar parameters such as the characteristic age, magnetic field strength, spin-down rate, as well as to detect any unexpected behaviour of the pulsar which might result from emission instabilities. This timing project is necessary for following up on any interesting pulsar systems discovered from the HTRU Galactic plane survey. Since all of the pulsars on the observing list here have been confirmed in the current 2020APRS semester, the follow-up timing will produce completely new and exciting results. In addition, this timing project will enable a large-scale examination of the Galactic plane pulsar population, exploring the true boundaries of pulsar parameter space in the galactic plane.less
Australia Telescope National Facility - P1050 - Initial Follow-up of Potential Pulsar Discoveries from Re-processing of the HTRU-S LowLat Galactic Plane Survey - Published 23 Jan 2021
Globular clusters can harbour many compact objects including intermediate mass black holes and a zoo of neutron star systems. Mercer 5 is a newly identified globular cluster whose gamma-ray emission p... moreroperties suggest it may host 200 or more millisecond pulsars. If this is the case it could be the most abundant system known by some distance, opening up several avenues of study on fundamental astrophysical questions. Using the UWL receiver we propose to perform deep searches of the cluster with Parkes to identify the pulsar population.less
Australia Telescope National Facility - P1082 - Revealing Mercer 5's Pulsar Population with Parkes - Published 23 Jan 2021
Australia Telescope National Facility - P1082 - Revealing Mercer 5's Pulsar Population with Parkes - Published 22 Jan 2021
Australia Telescope National Facility - P1050 - Initial Follow-up of Potential Pulsar Discoveries from Re-processing of the HTRU-S LowLat Galactic Plane Survey - Published 21 Jan 2021
Australia Telescope National Facility - P1050 - Initial Follow-up of Potential Pulsar Discoveries from Re-processing of the HTRU-S LowLat Galactic Plane Survey - Published 18 Jan 2021
Australia Telescope National Facility - P1082 - Revealing Mercer 5's Pulsar Population with Parkes - Published 14 Jan 2021
We propose to search for millisecond pulsars (MSPs) in an annular region around Blazar OJ 287, the most promising candidate to host a nano-Hz gravitational wave (GW) emitting supermassive black hole b... moreinary (SMBHB). We plan to use the Parkes multibeam receiver to search for MSPs in the sky region around OJ 287. The proposed survey area of 143 square degrees is expected to yield at least one and possibly three MSPs. The observing strategy ensures that detected MSPs will be most sensitive to GWs from the proposed SMBHB in OJ 287. The timing of such MPSs should allow us to probe the properties of OJ 287 in the GW window.less
Australia Telescope National Facility - P1090 - Searching for millisecond pulsars around blazar OJ 287 - Published 14 Jan 2021
Australia Telescope National Facility - P1090 - Searching for millisecond pulsars around blazar OJ 287 - Published 13 Jan 2021
Australia Telescope National Facility - P1050 - Initial Follow-up of Potential Pulsar Discoveries from Re-processing of the HTRU-S LowLat Galactic Plane Survey - Published 12 Jan 2021
Australia Telescope National Facility - P1090 - Searching for millisecond pulsars around blazar OJ 287 - Published 11 Jan 2021
Australia Telescope National Facility - P1090 - Searching for millisecond pulsars around blazar OJ 287 - Published 09 Jan 2021
Australia Telescope National Facility - P1050 - Initial Follow-up of Potential Pulsar Discoveries from Re-processing of the HTRU-S LowLat Galactic Plane Survey - Published 08 Jan 2021
Australia Telescope National Facility - P1050 - Initial Follow-up of Potential Pulsar Discoveries from Re-processing of the HTRU-S LowLat Galactic Plane Survey - Published 05 Jan 2021
Australia Telescope National Facility - P1050 - Initial Follow-up of Potential Pulsar Discoveries from Re-processing of the HTRU-S LowLat Galactic Plane Survey - Published 01 Jan 2021
Australia Telescope National Facility - P1082 - Revealing Mercer 5's Pulsar Population with Parkes - Published 25 Dec 2020
This is a request for observing time for the initial follow-up of pulsar discoveries from the re-processing of the low-latitude Galactic plane section of the HTRU survey (P630). We have now completed ... morea first pass re-processing of the 60 % of the survey with GPU based coherent acceleration search and template bank search pipelines, and have discovered potential 54 previously unknown pulsars. Interesting science can usually only be derived from a new pulsar after confirmation and a follow-up timing campaign is carried out. One year of initial timing is the minimum timespan required to fully characterise any newly-discovered pulsars, essential for deriving pulsar parameters such as the characteristic age, magnetic field strength, spin-down rate, as well as to detect any unexpected behaviour of the pulsar which might result from emission instabilities. This follow-up and timing project is necessary for following up on any interesting pulsar systems discovered from the HTRU Galactic plane survey. Since all of the pulsars on the observing list here are being followed-up for the first time, they will produce completely new and exciting results. In addition, this timing project will enable a large-scale examination of the Galactic plane pulsar population, exploring the true boundaries of pulsar parameter space.less
Australia Telescope National Facility - P1050 - Initial Follow-up of Potential Pulsar Discoveries from Re-processing of the HTRU-S LowLat Galactic Plane Survey - Published 22 Dec 2020
Australia Telescope National Facility - P1050 - Initial Follow-up of Potential Pulsar Discoveries from Re-processing of the HTRU-S LowLat Galactic Plane Survey - Published 03 Dec 2020
Australia Telescope National Facility - P1050 - Initial Follow-up of Potential Pulsar Discoveries from Re-processing of the HTRU-S LowLat Galactic Plane Survey - Published 03 Nov 2020
Australia Telescope National Facility - P1050 - Initial Follow-up of Potential Pulsar Discoveries from Re-processing of the HTRU-S LowLat Galactic Plane Survey - Published 31 Oct 2020
Australia Telescope National Facility - P1050 - Initial Follow-up of Potential Pulsar Discoveries from Re-processing of the HTRU-S LowLat Galactic Plane Survey - Published 30 Oct 2020
Australia Telescope National Facility - P1050 - Initial Follow-up of Potential Pulsar Discoveries from Re-processing of the HTRU-S LowLat Galactic Plane Survey - Published 29 Oct 2020
Australia Telescope National Facility - P1050 - Initial Follow-up of Potential Pulsar Discoveries from Re-processing of the HTRU-S LowLat Galactic Plane Survey - Published 17 Oct 2020
Australia Telescope National Facility - P1050 - Initial Follow-up of Potential Pulsar Discoveries from Re-processing of the HTRU-S LowLat Galactic Plane Survey - Published 13 Oct 2020
Australia Telescope National Facility - P1050 - Initial Follow-up of Potential Pulsar Discoveries from Re-processing of the HTRU-S LowLat Galactic Plane Survey - Published 06 Oct 2020
