A low frequency study of PSRs B1133+16, B1112+50, and B0031-07

Abstract

The low frequency (110--180 MHz) capabilities of the Westerbork Synthesis Radio Telescope (WSRT) are used to characterise a large collection of single pulses from three low magnetic field pulsars. Using the Pulsar Machine II (PuMa-II) to acquire and coherently dedisperse the pulsar signals, we examine whether the bright pulses observed in these pulsars are related to the classical giant pulse emission. Giant pulses are reported from PSR B1112$+$50 and bright pulses from the PSRs B1133$+$16 and B0031$-$07. These pulsars also exhibit large intensity modulations observed as rapid changes in the single pulse intensity. Evidence of global magnetospheric effects is provided by our detection of bright double pulses in PSRs B0031$-$07 and B1133$+$16. Using the multi-frequency observations, we accurately determine the dispersion measures (4.844$\pm$0.002 for B1133$+$16 and 9.1750$\pm$0.0001 for B1112$+$50), derive the radio emission height in PSR B1133$+$16 and report on the properties of subpulse drift modes in these pulsars. We also find that these pulsars show a much larger intensity modulation at low sky frequencies resulting in narrow and bright emissions.

13 pages, 8 figures, accepted for publication by A&A

References in corpus (11)

• PSRCHIVE and PSRFITS An Open Approach to Radio Pulsar Data Storage and Analysis
• Radio Emission Signatures in the Crab Pulsar
• The subpulse modulation properties of pulsars at 92 cm and the frequency dependence of subpulse modulation
• Is pulsar B0656+14 a very nearby RRAT source?
• The population of pulsars with interpulses and the implications for beam evolution
• The bright spiky emission of pulsar B0656+14
• Giant pulses in Pulsar PSR B0031-07
• The Geometry of PSR B0031-07
• A Study of Giant Pulses from PSR J1824-2452A
• Detection of Giant Pulses in pulsar PSR J1752+2359
• The effect of Pulse profile evolution on Pulsar Dispersion Measure

Cited by in corpus (22)

• Observing pulsars and fast transients with LOFAR
• A LOFAR census of non-recycled pulsars: average profiles, dispersion measures, flux densities, and spectra
• The High Time Resolution Universe Survey - V: Single-pulse energetics and modulation properties of 315 pulsars
• Wide-band Simultaneous Observations of Pulsars: Disentangling Dispersion Measure and Profile Variations
• Pulsar Observations Using the First Station of the Long Wavelength Array and the LWA Pulsar Data Archive
• Low Frequency Observations of the Subpulse Drifter PSR J0034-0721 with the Murchison Widefield Array
• Single-pulse radio observations of the Galactic Center magnetar PSR J1745-2900
• A Study of Single Pulses in the Parkes Multibeam Pulsar Survey
• A detailed study of giant pulses from PSR B1937+21 using the Large European Array for Pulsars
• A LOFAR census of non-recycled pulsars: extending below 80 MHz
• The frequency-dependent behaviour of subpulse drifting: I. Carousel geometry and emission heights of PSR B0031-07
• A polarization census of bright pulsars using the Ultra-Wideband Receiver on the Parkes radio telescope
• Simultaneous 13 cm/3 cm single-pulse observations of PSR B0329+54
• Observations of Giant Pulses from Pulsar PSR B0950+08 using LWA1
• Multi-frequency Radio Profiles of PSR B1133+16: radiation location and particle energy
• Variability of the Pulsed Radio Emission from the Large Magellanic Cloud Pulsar PSR J0529-6652
• Pulse to pulse flux density modulation from pulsars at 8.35 GHz
• Ion-proton pulsars
• Low-frequency observations of giant pulses from ordinary pulsars
• Single pulse analysis of PSR B1133+16 at 8.35 GHz and carousel circulation time
• Analysis of single pulse radio flux measurements of PSR B1133+16 at 4.85 and 8.35 GHz
• Simultaneous Observations of Giant Pulses from Pulsar PSR B0031-07 at 38 MHz and 74 MHz