Data

Parkes observations for project P1014 semester 2019OCTS_04

Commonwealth Scientific and Industrial Research Organisation
Liu, Mengting ; Dawson, Joanne ; Hobbs, George ; Stanimirovic, Snezana ; Li, Di ; Krco, Marko
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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:doi10.25919/5e83ab0e7c732&rft.title=Parkes observations for project P1014 semester 2019OCTS_04&rft.identifier=https://doi.org/10.25919/5e83ab0e7c732&rft.publisher=Commonwealth Scientific and Industrial Research Organisation&rft.description=The spatial distribution of neutral gas is important for understanding the interstellar medium (ISM) evolution and star formation. However, the distribution of Tiny Scale Atomic Structures (TSAS), especially the extremely small scale structures with spatial scales ranging from a few to hundreds of AU are largely unexplored. The formation and evolution of TSAS are still on an active debate. Multi-epoch observations of HI absorption against pulsars are a tested, practical observational method to probe the TSAS, due to pulsar’s nature on-off state and proper motions of 1 to 100 AU per year. We thus propose two epoch observations, which are separated by about five months, for three bright pulsars for probing structures ranging from 8 to 1900 AU.&rft.creator=Liu, Mengting &rft.creator=Dawson, Joanne &rft.creator=Hobbs, George &rft.creator=Stanimirovic, Snezana &rft.creator=Li, Di &rft.creator=Krco, Marko &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 2019.&rft_subject=pulsars&rft_subject=neutron stars&rft_subject=interstellar medium in and around the Milky Way&rft_subject=P1014_2019OCTS&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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Creative Commons Attribution 4.0 International Licence
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Data is accessible online and may be reused in accordance with licence conditions

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The spatial distribution of neutral gas is important for understanding the interstellar medium (ISM) evolution and star formation. However, the distribution of Tiny Scale Atomic Structures (TSAS), especially the extremely small scale structures with spatial scales ranging from a few to hundreds of AU are largely unexplored. The formation and evolution of TSAS are still on an active debate. Multi-epoch observations of HI absorption against pulsars are a tested, practical observational method to probe the TSAS, due to pulsar’s nature on-off state and proper motions of 1 to 100 AU per year. We thus propose two epoch observations, which are separated by about five months, for three bright pulsars for probing structures ranging from 8 to 1900 AU.

Available: 2020-04-01

Data time period: 2019-10-01 to 2020-03-31

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Subjects
Astronomical Sciences | Astronomical Sciences Not Elsewhere Classified | P1014_2019OCTS | Physical Sciences | interstellar medium in and around the Milky Way | neutron stars | pulsars |

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Identifiers
ACN 633 798 857