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Search for pulsars and transients with the GMRT

  • Bhaswati Bhattacharyya (a1)

Abstract

This paper details on the discovery of 21 pulsars using the Giant Metrewave Radio Telescope (GMRT) from targeted (Fermi directed search) and blind surveys (GMRT High Resolution Southern Sky - GHRSS) and results from the follow up studies. We discovered seven millisecond pulsars (MSPs) in the Fermi directed searches, which are the first Galactic MSPs discovered with the GMRT. We have discovered 13 pulsars (including a MSP and two mildly recycled pulsars) with the GHRSS survey, which is an off-Galactic-plane survey at 322 MHz with complementary target sky (declination range −40 deg to −54 deg) to other ongoing low-frequency surveys by GBT and LOFAR. The simultaneous time-domain and imaging study for localising pulsars and transients and efficient candidate investigation with machine learning are some of the features of the GHRSS survey, which are also finding application in the SKA design methodology.

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References

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Ferrara, A. et al. 2017, Pulsar Astrophysics - The Next 50 Years Proceedings of IAU Symposium.
Bhattacharyya, B. et al. 2013, ApJ Letters, 772, 12.
Bhattacharyya, B. et al. 2016, ApJ Letters, 817, 130.
Roy, J. 2017, Pulsar Astrophysics - The Next 50 Years Proceedings of IAU Symposium.
Roy, J. et al. 2013, ApJ Letters, 765, 45.
Roy, J. et al. 2010, Experimental Astronomy, 28, 55.
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Search for pulsars and transients with the GMRT

  • Bhaswati Bhattacharyya (a1)

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