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Related papers: Mode Switching and Subpulse Drifting in PSR B0826-…

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In the previous paper of this series Deshpande & Rankin (2001) reported results regarding subpulse-drift phenomenon in pulsar B0943+10 at 430 MHz and 111 MHz. This study has led to the identification of a stable system of subbeams…

Astrophysics · Physics 2016-01-13 Ashish Asgekar , A. A. Deshpande

In this paper, we presented a detailed single pulse and polarization study of PSR J0614+2229 based on the archived data observed on 2019 August 15 (MJD 58710) and September 12 (MJD 58738) using the Ultra-wideband Low-frequency Receiver on…

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…

Astrophysics of Galaxies · Physics 2015-05-20 Ramesh Karuppusamy , Ben Stappers , Maciej Serylak

We introduce a new technique, called the Sliding Two-Dimensional Fluctuation Spectrum, used for detecting and characterising the temporal changes of drifting subpulses from radio pulsars. The method was tested using simulated data as well…

Solar and Stellar Astrophysics · Physics 2015-05-14 M. Serylak , B. W. Stappers , P. Weltevrede

We develop a model for subpulse separation period, $P_2$, taking into account both the apparent motion of the visible point as a function of pulsar phase, $\psi$, and the possibility of abrupt jumps between different rotation states in…

High Energy Astrophysical Phenomena · Physics 2016-04-06 R. Yuen , D. B. Melrose , M. A. Samsuddin , Z. Y. Tu , X. H. Han

We present the results of a systematic, unbiased search for subpulse modulation of 187 pulsars performed with the Westerbork Synthesis Radio Telescope (WSRT) in the Netherlands at an observing wavelength of 21 cm. Using new observations and…

Astrophysics · Physics 2009-11-11 P. Weltevrede , R. T. Edwards , B. W. Stappers

We have detected sporadic, bright, short-duration radio pulses from PSR J0901$-$4624. These pulses are emitted simultaneously with persistent, periodic emission that dominates the flux density when averaging over many periods of the pulsar.…

Solar and Stellar Astrophysics · Physics 2015-06-24 C. A. Raithel , R. M. Shannon , S. Johnston , M. Kerr

We report the X-ray observations of two radio pulsars with drifting subpulses: B0834 + 06 and B0826 - 34 using \xmm\. PSR B0834 + 06 was detected with a total of 70 counts from the three EPIC instruments over 50 ks exposure time. Its…

Astrophysics · Physics 2009-11-13 J. Gil , F. Haberl , G. Melikidze , U. Geppert , B. Zhang , G. Melikidze

The basic form of drifting sub-pulses is that of a periodicity whose phase depends (approximately linearly) on both pulse longitude and pulse number. As such, we argue that the two-dimensional Fourier transform of the longitude-time data…

Astrophysics · Physics 2009-11-07 R. T. Edwards , B. W. Stappers

We report on radiation properties of extreme nulling pulsar J1502-5653, by analyzing the data acquired from the Parkes 64-m telescope at 1374 MHz. The radio emission from this pulsar exhibits sequences of several tens to several hundreds…

Solar and Stellar Astrophysics · Physics 2015-06-05 J. Li , A. Esamdin , R. N. Manchester , M. F. Qian , H. B. Niu

The usefulness and versatility of the PSRSALSA open-source pulsar data-analysis project is demonstrated through an analysis of the radio pulsar B1839-04. This study focuses on the phenomenon of bi-drifting, an effect where the drift…

High Energy Astrophysical Phenomena · Physics 2016-06-01 Patrick Weltevrede

The research presented here examines an 8-hour observation of pulsar B1822-09,taken by the Giant Metrewave Radio Telescope. B1822-09 has been known to exhibit two stable emission modes, the B-mode, where the precursor (PC) `turns-on', and…

Solar and Stellar Astrophysics · Physics 2015-06-11 Crystal Latham , Dipanjan Mitra , Joanna Rankin

A new single pulse behaviour has been identified in two pulsars, B0919+06 and B1859+07. Normally both starts emit bright subpulses in a region near the trailing edge of heir profile. However, occasionally these stars exhibit "events"…

Astrophysics · Physics 2009-11-11 Joanna M. Rankin , Cameron Rodriguez , Geoffrey A. E. Wright

PSR B0919+06 generally radiates radio pulses in a normal phase range. It has been known for its occasional perplexing abnormal emission events wherein individual pulses come to an earlier phase range for a few tens of periods and then…

High Energy Astrophysical Phenomena · Physics 2016-01-13 Jun Han , J. L. Han , Ling-Xiang Peng , De-Yu Tang , Jun Wang , Jun-Qiang Li , Chen Wang , Ye-Zhao Yu , Bin Dong

In this paper, we present a study of orthogonal polarization modes in the radio emission of PSR B1133+16, conducted within the frame of simultaneous, multi-frequency, single-pulse observations. Simultaneously observing at two frequencies…

Astrophysics · Physics 2009-11-07 A. Karastergiou , M. Kramer , S. Johnston , A. G. Lyne , N. D. R. Bhat , Y. Gupta

The bright pulsar PSR B0329+54 was previously known for many years to have two emission modes. Sensitive observations of individual pulses reveal that the central component of pulse profile, which is called core component, is found to be…

High Energy Astrophysical Phenomena · Physics 2023-03-29 Tao Wang , J. L. Han , C. Wang , P. F. Wang , D. J. Zhou

We report on the properties of strong pulses from PSR B0656+14 by analyzing the data obtained using Urumqi 25-m radio telescope at 1540 MHz from August 2007 to September 2010. In 44 hrs of observational data, a total of 67 pulses with…

Astrophysics of Galaxies · Physics 2015-06-05 Guo-Cun Tao , Ali Esamdin , Hui-Dong Hu , Mao-Fei Qian , Jing Li , Na Wang

We present a detailed single-pulse analysis for PSR B1929+10 based on observations with the Five-hundred-meter Aperture Spherical radio Telescope (FAST). The main pulse and interpulse are found to be modulated with a periodicity of $\sim12$…

High Energy Astrophysical Phenomena · Physics 2021-03-24 F. F. Kou , W. M. Yan , B. Peng , J. G. Lu , K. Liu , C. M. Zhang , R. G. Strom , L. Wang , J. P. Yuan , Rai Yuen , Y. Z. Yu , J. M. Yao , B. Liu , J. Yan , P. Jiang , C. J. Jin , D. Li , L. Qian , Y. L. Yue , Y. Zhu

PSR J1717-4054 is one of the small class of pulsars which null on intermediate (~hour) timescales. Such pulsars represent an important link between classical nullers, whose emission vanishes for a few rotations, and the intermittent pulsars…

Solar and Stellar Astrophysics · Physics 2015-06-22 Matthew Kerr , George Hobbs , Ryan Shannon , Mitchell Kiczynski , Robert Hollow , Simon Johnston

At 327 MHz, the observed emission of PSR B1937+21 is greatly affected by scattering in the interstellar medium, on a timescale of order the pulse period. We use the bright impulsive giant pulses emitted by the pulsar to measure the impulse…

High Energy Astrophysical Phenomena · Physics 2024-04-09 Nikhil Mahajan , Marten H. van Kerkwijk