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Parkes observations for project P1041 semester 2020APRS_05

Commonwealth Scientific and Industrial Research Organisation
Dai, Shi ; Possenti, Andrea ; Johnston, Simon ; Camilo, Fernando ; Kerr, Matthew ; Kumamoto, Hiroki
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ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2FANDS&rft_id=info:doi10.25919/5eca43c2d8d11&rft.title=Parkes observations for project P1041 semester 2020APRS_05&rft.identifier=https://doi.org/10.25919/5eca43c2d8d11&rft.publisher=Commonwealth Scientific and Industrial Research Organisation&rft.description=We recently discovered five millisecond pulsars (MSPs) in the globular cluster Omega Centauri. This is the first pulsar discovery in this globular cluster. Four of these pulsars are isolated with spin periods of 4.1, 4.2, 4.6 and 6.8ms. The fifth has a spin period of 4.8ms and is in an eclipsing binary system with an orbital period of 2.1 hours. We propose to carry out a timing campaign of these new pulsars in order to study the dynamics in the core of Omega Centauri, to reveal the origin of Gamma-ray emission from the core, and to probe the ionised interstellar medium in Omega Centauri. Our proposed observations will also enable us to carry out deeper searches of pulsars in the cluster.&rft.creator=Dai, Shi &rft.creator=Possenti, Andrea &rft.creator=Johnston, Simon &rft.creator=Camilo, Fernando &rft.creator=Kerr, Matthew &rft.creator=Kumamoto, Hiroki &rft.date=2020&rft.edition=v1&rft_rights=Creative Commons Attribution 4.0 International Licence https://creativecommons.org/licenses/by/4.0/&rft_rights=Data is accessible online and may be reused in accordance with licence conditions&rft_rights=All Rights (including copyright) CSIRO 2020.&rft_subject=pulsars&rft_subject=neutron stars&rft_subject=P1041_2020APRS&rft_subject=Astronomical sciences not elsewhere classified&rft_subject=Astronomical sciences&rft_subject=PHYSICAL SCIENCES&rft.type=dataset&rft.language=English Access the data
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Brief description

We recently discovered five millisecond pulsars (MSPs) in the globular cluster Omega Centauri. This is the first pulsar discovery in this globular cluster. Four of these pulsars are isolated with spin periods of 4.1, 4.2, 4.6 and 6.8ms. The fifth has a spin period of 4.8ms and is in an eclipsing binary system with an orbital period of 2.1 hours. We propose to carry out a timing campaign of these new pulsars in order to study the dynamics in the core of Omega Centauri, to reveal the origin of Gamma-ray emission from the core, and to probe the ionised interstellar medium in Omega Centauri. Our proposed observations will also enable us to carry out deeper searches of pulsars in the cluster.

Available: 2020-05-24

Data time period: 2020-04-01 to 2020-09-30

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Astronomical Sciences | Astronomical Sciences Not Elsewhere Classified | P1041_2020APRS | Physical Sciences | neutron stars | pulsars |

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