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Pulsar timing irregularities and neutron star interior in the era of SKA: an Indian outlook

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Abstract

There are two types of timing irregularities seen in pulsars: glitches and timing noise. Both of these phenomena can help us to probe the interior of such exotic objects. This paper presents a brief overview of the observational and theoretical aspects of pulsar timing irregularities and the main results from the investigations of these phenomena in India. The relevance of such Indian programs for monitoring of young pulsars with the square kilometer array (SKA) is presented, highlighting possible contributions of the Indian neutron star community to the upcoming SKA endeavor.

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Notes

  1. http://www.jb.man.ac.uk/pulsar/glitches/gTable.html.

  2. https://www.skatelescope.org/the-ska-project/.

  3. https://www.atnf.csiro.au/research/pulsar/psrcat/.

  4. http://www.jb.man.ac.uk/pulsar/glitches/gTable.html.

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Acknowledgements

The authors acknowledge the help and support provided by the staff at Radio Astronomy Centre, Ooty and the upgraded Giant Meterwave Radio Telescope during these observations. The ORT and the uGMRT are operated by the National Centre for Radio Astrophysics.

Author information

Authors and Affiliations

  1. Department of Physics, Indian Institute of Technology Roorkee, Roorkee, 247667, India

    Jaikhomba Singha, Himanshu Grover & P. Arumugam

  2. National Centre for Radio Astrophysics, Tata Insitute of Fundamental Research, Pune, 411007, India

    Bhal Chandra Joshi

  3. Saha Institute of Nuclear Physics, Kolkata, 700064, India

    Debades Bandyopadhyay

  4. Department of Physics, Indian Institute of Technology Hyderabad, Hyderabad, 502285, India

    Shantanu Desai

  5. Department of Physics, BITS Pilani, Hyderabad Campus, Hyderabad, 500078, India

    Sarmistha Banik

Authors
  1. Jaikhomba Singha
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  2. Bhal Chandra Joshi
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  3. Debades Bandyopadhyay
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  4. Himanshu Grover
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  5. Shantanu Desai
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  6. P. Arumugam
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  7. Sarmistha Banik
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Correspondence to Jaikhomba Singha.

Additional information

This article is part of the Special Issue on “Indian Participation in the SKA”.

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Singha, J., Joshi, B.C., Bandyopadhyay, D. et al. Pulsar timing irregularities and neutron star interior in the era of SKA: an Indian outlook. J Astrophys Astron 43, 81 (2022). https://doi.org/10.1007/s12036-022-09874-z

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