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Search for Dispersed Pulses at Declinations from +56° to +87°

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Abstract

A survey of the northern hemisphere at the frequency 111 MHz is carried out. The total accumulation time for each point of the survey area was at least one hour. When searching for dispersed pulses, we detected 75 sources of pulsed radiation. More than 80% of these sources are known pulsars seen in the antenna side lobes. In twelve known pulsars, from one to several hundred pulses were detected. In four pulsars (J0157+6212, J1910+5655, J2337+6151, and J2354+6155), the narrowness of the strongest pulses and the ratio of peak flux densities in the strongest pulses and in the middle profile indicate that they may be pulsars with giant pulses. We detected one new rotating radio transient (RRAT) J0812+8626 with the dispersion measure \(DM = 40.25\) pc/cm3.

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Notes

  1. https://www.atnf.csiro.au/people/pulsar/psrcat/

  2. http://astro.phys.wvu.edu/rratalog/

  3. http://astro.prao.ru/db/

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Funding

S.V. Logvinenko acknowledges the Russian Foundation for Basic Research (project no. 20-02-00872) for supporting his work in terms of creating a data processing program.

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Authors and Affiliations

  1. Lebedev Physical Institute, Russian Academy of Sciences, Pushchino Radio Astronomy Observatory, Astro Space Center, 142290, Pushchino, Russia

    S. A. Tyul’bashev, M. A. Kitaeva & S. V. Logvinenko

  2. Institute of Mathematical Problems of Biology, Russian Academy of Sciences, Branch of the Keldysh Institute of Applied Mathematics, 142290, Pushchino, Russia

    G. E. Tyul’basheva

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  1. S. A. Tyul’bashev
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  2. M. A. Kitaeva
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  3. S. V. Logvinenko
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  4. G. E. Tyul’basheva
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Correspondence to S. A. Tyul’bashev.

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Translated by E. Seifina

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Tyul’bashev, S.A., Kitaeva, M.A., Logvinenko, S.V. et al. Search for Dispersed Pulses at Declinations from +56° to +87°. Astron. Rep. 65, 1246–1253 (2021). https://doi.org/10.1134/S1063772921120088

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  • DOI: https://doi.org/10.1134/S1063772921120088

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