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Detection of Five New Pulsars with the BSA LPI Radio Telescope

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Abstract

During five years of daily observations, the search for new pulsars using the BSA LPI radio telescope in 96 spatial beams covering 17 000 square degrees was conducted. Five new pulsars were identified. Candidate pulsars were selected in summed power spectra. A noise generator was used to renormalize data and total the power spectra for individual directions correctly. As a result, the sensitivity increased by a factor of 10–20 relative to that in individual observational sessions. The sensitivity for pulsars with pulses longer than 100 ms at declinations +30° < δ < +40° was 1.2 and 0.4 mJy in and out of the galaxy plane, respectively.

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Notes

  1. https://github.com/vtyulb/BSA-analytics.

  2. http://www.atnf.csiro.au/people/pulsar/psrcat/.

  3. https://bsa-analytics.prao.ru/pulsars/new.php.

  4. https://bsa-analytics.prao.ru/pulsars/known.php?lang=eng.

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ACKNOWLEDGMENTS

The authors wish to thank A.I. Chernyshova for analyzing several power spectra, L.B. Potapova for her help in drafting the figures, and T.V. Smirnova for useful remarks.

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Authors and Affiliations

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

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

  2. Institute of Mathematical Problems of Biology (Branch of the Keldysh Institute of Applied Mathematics), Russian Academy of Sciences, 142290, Pushchino, Moscow oblast, 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. V. S. Tyul’bashev
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  4. V. M. Malofeev
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  5. G. E. Tyul’basheva
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Correspondence to S. A. Tyul’bashev.

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Translated by D. Safin

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Tyul’bashev, S.A., Kitaeva, M.A., Tyul’bashev, V.S. et al. Detection of Five New Pulsars with the BSA LPI Radio Telescope. Astron. Rep. 64, 526–532 (2020). https://doi.org/10.1134/S1063772920060074

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  • DOI: https://doi.org/10.1134/S1063772920060074

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