데이터셋 상세
호주
Andrew Zic - Long-term project observations for project P456 semester 2025APRS 01
The Parkes Pulsar Timing Array (PPTA) project has three primary goals: (a) detection of gravitational waves from astronomical sources, (b) establishment of a pulsar timescale, and (c) improvement of our understanding of Solar-system dynamics. We are now in an exciting regime where a signal detected in our (and other data sets) has the form expected for a gravitational wave background. We, along with the international community, are now working hard to either confirm or deny this result, and to determine the astrophysical origin of this signal. With this proposal, we aim to maintain our pre-eminent position in the field. This is a continuing proposal for which observations of millisecond pulsars (MSPs) will continue to improve bounds on ultra-low-frequency gravitational waves until they are detected with confidence. Continued Parkes observations will remain valuable at least until the first stage of the SKA is able to improve on our sensitivity and observing cadence. Even after the gravitational wave background is detected, continued observations will resolve the background origin and individual sources will be identified; advancing the nascent field of gravitational wave astronomy.
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연관 데이터
Andrew Zic - Long-term project observations for project P456 semester 2024OCTS 13
공공데이터포털
The Parkes Pulsar Timing Array (PPTA) project has three primary goals: (a) detection of gravitational waves from astronomical sources, (b) establishment of a pulsar timescale, and (c) improvement of our understanding of Solar-system dynamics. We are now in an exciting regime where a signal detected in our (and other data sets) has the form expected for a gravitational wave background. We are therefore now attempting to confirm, or deny, this exciting result. With this proposal we aim to maintain our pre-eminent position in the field. Unlike most observing proposals, this is a continuing proposal for which the observations will continue to improve bounds on ultra-low-frequency gravitational waves until they are finally detected. Continued Parkes observations will remain valuable at least until the first stage of the SKA is able to improve on our sensitivity and observing cadence. Even after the gravitational wave background is detected we will want to continue observations in support of the nascent field of gravitational wave astronomy!
Marcus Lower - Long-term project observations for project P574 semester 2024OCTS 14
공공데이터포털
We request time to observe 270 pulsars on a regular basis in order to achieve three main science goals. The first is to understand pulsars: how do they spin down and what disrupts this process, how and why their profiles vary with time, whether they precess or have planetary mass companions, in short all the things that make pulsar timing noisier than the perfect clock. Secondly we want to understand the interstellar medium of our Galaxy through repeated monitoring of dispersion measure, rotation measure and flux density variations in conjunction with scintillation parameters. Finally, we provide these data as a community service both to the high-energy community where we have strong collaborative links (particularly to Fermi) and to the radio pulsar astronomers generally through the CSIRO archive. The project is on-going since 2007, we are (co-)authors on 106 papers arising from the P574 data. The data have contributed to the PhD theses of students from Bordeaux, Manchester, Oxford, Stanford, and Swinburne. We are seeking long-term project status with a view to continuing the project into the SKA era.
George Hobbs - Parkes observations for project P595 semester 2025APRS 03
공공데이터포털
We propose to continue the PULSE@Parkes project in which high school students from Australia and around the World use the Parkes radio telescope in a remote observing model to observe and analyse pulsar data. The data from some PULSE@Parkes observations are used to support the space missions, other observations supplement the P456 Pulsar Timing Array project and the remainder were chosen in order to make a detailed analysis of pulsar timing irregularities and intermittency.
George Hobbs - Parkes observations for project P595 semester 2025APRS 04
공공데이터포털
We propose to continue the PULSE@Parkes project in which high school students from Australia and around the World use the Parkes radio telescope in a remote observing model to observe and analyse pulsar data. The data from some PULSE@Parkes observations are used to support the space missions, other observations supplement the P456 Pulsar Timing Array project and the remainder were chosen in order to make a detailed analysis of pulsar timing irregularities and intermittency.
George Hobbs - Parkes observations for project P595 semester 2025APRS 01
공공데이터포털
We propose to continue the PULSE@Parkes project in which high school students from Australia and around the World use the Parkes radio telescope in a remote observing model to observe and analyse pulsar data. The data from some PULSE@Parkes observations are used to support the space missions, other observations supplement the P456 Pulsar Timing Array project and the remainder were chosen in order to make a detailed analysis of pulsar timing irregularities and intermittency.
George Hobbs - Parkes observations for project P595 semester 2025APRS 02
공공데이터포털
We propose to continue the PULSE@Parkes project in which high school students from Australia and around the World use the Parkes radio telescope in a remote observing model to observe and analyse pulsar data. The data from some PULSE@Parkes observations are used to support the space missions, other observations supplement the P456 Pulsar Timing Array project and the remainder were chosen in order to make a detailed analysis of pulsar timing irregularities and intermittency.
Mengyao Xue - Parkes observations for project P1365 semester 2025APRS 03
공공데이터포털
We propose a timing follow-up project for two newly discovered pulsars, J0915-6635 and J0917-6642, from the MWA-SMART survey. These pulsars were recently discovered from a blind periodic search of an 80-min SMART survey observation, with an localisation precision of 4 arcminutes. Initial flux density estimates suggest they are faint, requiring follow-up with the Parkes UWL receiver for precise timing solutions, flux density measurements, and polarimetric analysis. Initial analysis suggests a flux density 0.2-0.5 mJy for J0915-6635, and 0.1-0.3 mJy for J0917-6642 at 1.4 GHz, assuming a spectral index of -1.6. Observations with the Murriyang's UWL receiver will help enable a faster convergence to the full coherent timing solution and determine their spin and astrometric parameters, as well as further investigate this through measurements of pulsar flux densities and spectral indices. We will also perform a polarimetric analysis across a wide frequency range to better constrain the pulsars' geometries and emission properties.
Mengyao Xue - Parkes observations for project P1365 semester 2025APRS 01
공공데이터포털
We propose a timing follow-up project for two newly discovered pulsars, J0915-6635 and J0917-6642, from the MWA-SMART survey. These pulsars were recently discovered from a blind periodic search of an 80-min SMART survey observation, with an localisation precision of 4 arcminutes. Initial flux density estimates suggest they are faint, requiring follow-up with the Parkes UWL receiver for precise timing solutions, flux density measurements, and polarimetric analysis. Initial analysis suggests a flux density 0.2-0.5 mJy for J0915-6635, and 0.1-0.3 mJy for J0917-6642 at 1.4 GHz, assuming a spectral index of -1.6. Observations with the Murriyang's UWL receiver will help enable a faster convergence to the full coherent timing solution and determine their spin and astrometric parameters, as well as further investigate this through measurements of pulsar flux densities and spectral indices. We will also perform a polarimetric analysis across a wide frequency range to better constrain the pulsars' geometries and emission properties.
Mengyao Xue - Parkes observations for project P1365 semester 2025APRS 02
공공데이터포털
We propose a timing follow-up project for two newly discovered pulsars, J0915-6635 and J0917-6642, from the MWA-SMART survey. These pulsars were recently discovered from a blind periodic search of an 80-min SMART survey observation, with an localisation precision of 4 arcminutes. Initial flux density estimates suggest they are faint, requiring follow-up with the Parkes UWL receiver for precise timing solutions, flux density measurements, and polarimetric analysis. Initial analysis suggests a flux density 0.2-0.5 mJy for J0915-6635, and 0.1-0.3 mJy for J0917-6642 at 1.4 GHz, assuming a spectral index of -1.6. Observations with the Murriyang's UWL receiver will help enable a faster convergence to the full coherent timing solution and determine their spin and astrometric parameters, as well as further investigate this through measurements of pulsar flux densities and spectral indices. We will also perform a polarimetric analysis across a wide frequency range to better constrain the pulsars' geometries and emission properties.
George Hobbs - Parkes observations for project P595 semester 2024OCTS 18
공공데이터포털
We propose to continue the PULSE@Parkes project in which high school students from Australia and around the World use the Parkes radio telescope in a remote observing model to observe and analyse pulsar data. The data from some PULSE@Parkes observations are used to support the space missions, other observations supplement the P456 Pulsar Timing Array project and the remainder were chosen in order to make a detailed analysis of pulsar timing irregularities and intermittency.
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