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Related papers: A LOFAR census of millisecond pulsars

200 papers

We describe an ongoing search for pulsars and dispersed pulses of radio emission, such as those from rotating radio transients (RRATs) and fast radio bursts (FRBs), at 350 MHz using the Green Bank Telescope. With the Green Bank Ultimate…

We performed deep observations to search for radio pulsations in the directions of 375 unassociated Fermi Large Area Telescope (LAT) gamma-ray sources using the Giant Metrewave Radio Telescope (GMRT) at 322 and 607 MHz. In this paper we…

We present the astrometric identification of 80 known radio pulsars as unresolved continuum sources detected at 144 MHz in the second data release of the LOFAR Two-metre Sky Survey (LoTSS DR2), which covers 27% of the Northern hemisphere.…

High Energy Astrophysical Phenomena · Physics 2026-02-18 G. A. C. Rijkers , C. G. Bassa , J. R. Callingham , T. Shimwell

Millisecond pulsars (MSPs) have been studied in detail since their discovery in 1982. The integrated pulse profiles of MSPs appear to be stable, which enables precision monitoring of the pulse times of arrival (TOAs). However, for…

High Energy Astrophysical Phenomena · Physics 2015-05-30 K. Liu , E. F. Keane , K. J. Lee , M. Kramer , J. M. Cordes , M. B. Purver

Modeling of frequency-dependent effects, contributed by the turbulence in the free electron density of interstellar plasma, is required to enable the detection of the expected imprints from the stochastic gravitational-wave (GW) background…

We report on the discovery of gamma-ray pulsations from five millisecond pulsars (MSPs) using the Fermi Large Area Telescope (LAT) and timing ephemerides provided by various radio observatories. We also present confirmation of the gamma-ray…

The Murchison Widefield Array (MWA), and its recently-developed Voltage Capture System (VCS), facilitates extending the low-frequency range of pulsar observations at high-time and -frequency resolution in the Southern Hemisphere, providing…

High Energy Astrophysical Phenomena · Physics 2018-01-23 Mengyao Xue , N. D. R. Bhat , S. E. Tremblay , S. M. Ord , C. Sobey , N. A. Swainston , D. L. Kaplan , Simon Johnston , B. W. Meyers , S. J. McSweeney

Millisecond pulsars (MSPs) represent nearly half of the more than 160 currently known $\gamma$-ray pulsars detected by the Large Area Telescope on the \textit{Fermi} satellite, and a third of all known MSPs are seen in $\gamma$ rays. The…

High Energy Astrophysical Phenomena · Physics 2016-03-02 L. Guillemot , D. A. Smith , H. Laffon , G. H. Janssen , I. Cognard , G. Theureau , G. Desvignes , E. C. Ferrara , P. S. Ray

We present the results of a four-month campaign searching for low-frequency radio transients near the North Celestial Pole with the Low-Frequency Array (LOFAR), as part of the Multifrequency Snapshot Sky Survey (MSSS). The data were…

High Energy Astrophysical Phenomena · Physics 2016-06-21 A. J. Stewart , R. P. Fender , J. W. Broderick , T. E. Hassall , T. Muñoz-Darias , A. Rowlinson , J. D. Swinbank , T. D. Staley , G. J. Molenaar , B. Scheers , T. L. Grobler , M. Pietka , G. Heald , J. P. McKean , M. E. Bell , A. Bonafede , R. P. Breton , D. Carbone , Y. Cendes , A. O. Clarke , S. Corbel , F. de Gasperin , J. Eislöffel , H. Falcke , C. Ferrari , J. -M. Grießmeier , M. J. Hardcastle , V. Heesen , J. W. T. Hessels , A. Horneffer , M. Iacobelli , P. Jonker , A. Karastergiou , G. Kokotanekov , V. I. Kondratiev , M. Kuniyoshi , C. J. Law , J. van Leeuwen , S. Markoff , J. C. A. Miller-Jones , D. Mulcahy , E. Orru , M. Pandey-Pommier , L. Pratley , E. Rol , H. J. A. Röttgering , A. M. M. Scaife , A. Shulevski , C. A. Sobey , B. W. Stappers , C. Tasse , A. J. van der Horst , S. van Velzen , R. J. van Weeren , R. A. M. J. Wijers , R. Wijnands , M. Wise , P. Zarka , A. Alexov , J. Anderson , A. Asgekar , I. M. Avruch , M. J. Bentum , G. Bernardi , P. Best , F. Breitling , M. Brüggen , H. R. Butcher , B. Ciardi , J. E. Conway , A. Corstanje , E. de Geus , A. Deller , S. Duscha , W. Frieswijk , M. A. Garrett , A. W. Gunst , M. P. van Haarlem , M. Hoeft , J. Hörandel , E. Juette , G. Kuper , M. Loose , P. Maat , R. McFadden , D. McKay-Bukowski , J. Moldon , H. Munk , M. J. Norden , H. Paas , A. G. Polatidis , D. Schwarz , J. Sluman , O. Smirnov , M. Steinmetz , S. Thoudam , M. C. Toribio , R. Vermeulen , C. Vocks , S. J. Wijnholds , O. Wucknitz , S. Yatawatta

Microstructure emission, involving short time scale, often quasi-periodic, intensity fluctuations in subpulse emission, is well known in normal period pulsars. In this letter, we present the first detections of quasi-periodic microstructure…

High Energy Astrophysical Phenomena · Physics 2016-12-06 Kishalay De , Yashwant Gupta , Prateek Sharma

Timing observations are crucial for determining the basic parameters of newly discovered pulsars. Using the Five-hundred-meter Aperture Spherical radio Telescope (FAST) with the L-band 19-beam receiver covering the frequency range of…

High Energy Astrophysical Phenomena · Physics 2023-10-12 W. Q. Su , J. L. Han , P. F. Wang , J. P. Yuan , Chen Wang , D. J. Zhou , Tao Wang , Yi Yan , W. C. Jing , Z. L. Yang , N. N. Cai , Xue Chen , Jun Xu , Lang Xie , H. G. Wang , R. X. Xu , X. P. You

We present the discovery and phase-coherent timing of four highly dispersed millisecond pulsars (MSPs) from the Arecibo PALFA Galactic plane survey: PSRs J1844+0115, J1850+0124, J1900+0308, and J1944+2236. Three of the four pulsars are in…

The search for pulsars in a sample of pulsar candidates found based on a multi-year survey conducted with low (6 channels; sampling 0.1s) time-frequency resolution on declinations -9^o < \delta < +42^o was carried out. A Large Phased Array…

High Energy Astrophysical Phenomena · Physics 2022-10-26 S. A. Tyul'bashev , M. A. Kitaeva , G. E. Tyul'basheva

We have observed a complex and continuous change in the integrated pulse profile of PSR B2217+47, manifested as additional components trailing the main peak. These transient components are detected over 6 years at $150$ MHz using the LOw…

We use data from the MeerTime project on the MeerKAT telescope to ask whether the radio emission properties of millisecond pulsars (MSPs) and slowly rotating, younger pulsars (SPs) are similar or different. We show that the flux density…

High Energy Astrophysical Phenomena · Physics 2024-07-10 A. Karastergiou , S. Johnston , B. Posselt , L. S. Oswald , M. Kramer , P. Weltevrede

A systematic study of 80 known pulsars observed at 185 MHz has been conducted using archival incoherent-sum data from the Murchison Widefield Array (MWA). The dataset comprises 48 drift-scan observations from the MWA Voltage Capture System,…

High Energy Astrophysical Phenomena · Physics 2025-10-13 Ting Yu , Hongyu Gong , Zhifu Gao , Zhongli Zhang , Zhigang Wen , Yujie Wang , Tao An

To track the formation and evolution links of the millisecond pulsars (MSPs) powered by accretion and rotation in the Galactic field, we investigate the spin period (P) and spin-down power (Edot) distributions of the MSPs observed at the…

High Energy Astrophysical Phenomena · Physics 2019-10-21 De-Hua Wang , Cheng-Min Zhang , Shuang-Qiang Wang

We have used millisecond pulsars (MSPs) from the southern High Time Resolution Universe (HTRU) intermediate latitude survey area to simulate the distribution and total population of MSPs in the Galaxy. Our model makes use of the scale…

The timing follow-up of newly discovered millisecond pulsars (MSPs) is hindered by the larger positional uncertainty (a few tens of arc-minutes) associated with the discovery. In this paper, we present the localization of two MSPs,…

High Energy Astrophysical Phenomena · Physics 2023-02-28 Shyam Sunder , Jayanta Roy , Sanjay Kudale , Bhaswati Bhattacharyya , Arpit K. Behera , Shubham Singh

We use recent population synthesis results to investigate the distribution of pulsars in the frequency space, having a gravitational strain high enough to be detected by the future generations of laser beam interferometers. We find that…

Astrophysics · Physics 2008-11-26 Tania Regimbau , Jose Antonio de Freitas Pacheco