Pushchino multibeams pulsar search – IV. Detection of new pulsars at declinations −9° < δ < +55°

Abstract

ABSTRACT The search for pulsars in monitoring data obtained at the radio telescope Large Phased Array (LPA) at a frequency of 111 MHz was carried out. Daily round-the-clock observations were carried out for about 3000 d. The duration of the observation session for each direction in the sky was 3.5 min d−1. The search for pulsars was carried out using power spectra. To search for weak pulsars, power spectra were summed up. The expected increase in sensitivity was 35–40 times compared to observations in one session. In a blind search, 330 pulsars with regular radiation were detected, with periods (P) from 0.0333 to 3.7455 s and dispersion measures (DMs) up to 249 pc cm−3. 39 pulsars turned out to be new. Average profiles were obtained for six pulsars. The DMs for seven pulsars previously detected on the LPA have been clarified.