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Search for and detection of pulsars inmonitoring observations at 111 MHz
Authors:S A Tyul’bashev  V S Tyul’bashev  M A Kitaeva  A I Chernyshova  V M Malofeev  I V Chashei  V I Shishov  R D Dagkesamanskii  S V Klimenko  I N Nikitin  L D Nikitina
Institution:1.Pushchino Radio Astronomy Observatory, Astro Space Center,Lebedev Physical Institute,Pushchino, Moscow oblast,Russia;2.Pushchino State Natural Sciences Institute,Pushchino,Russia;3.Moscow Physical Technical Institute,Institute of Physical Technical Informatics,Moscow,Russia;4.Fraunhofer Institute for Algorithms and Scientific Computing,Schloss Birlinghoven,Sankt Augustin,Germany
Abstract:In the course of monitoring interplanetary scintillations of a large number of sources using the Big Scanning Antenna of the Lebedev Physical Institute, a search for pulsars with periods ≥0.4 s at declinations ?9? < δ < 42? and right ascensions 0h < α < 24h was simultaneously carried out. The search was conducted using four years of observations carried out at 110.25MHz in six frequency channels making up a 2.5 MHz band and having a time resolution of 100 ms. The initial identification of pulsar candidates was done using Fourier power spectra averaged over the entire observational period; the pulsar candidates were then verified using observations with higher frequency and time resolution: 32 frequency channels and a time resolution of 12.5 ms. Eighteen new pulsars were discovered in the studied area, whose main characteristics are presented.
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