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Related papers: Fitting Pulsar Wind Tori. II. Error Analysis and A…

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The supernova remnant SNR 0540-69.3, twin of the Crab Nebula, offers an excellent opportunity to study the continuum emission from a young pulsar and pulsar-wind nebula (PWN). We present observations taken with the VLT instruments MUSE and…

High Energy Astrophysical Phenomena · Physics 2025-08-21 L. Tenhu , J. Larsson , J. Sollerman , P. Lundqvist , J. Spyromilio , J. D. Lyman , G. Olofsson

Many models for the pulsar radio and $\gamma$-ray emissions have been developed. The tests for these models using observational data are very important. Tests for the pulsar radio emission models using frequency-altitude relation are…

Astrophysics · Physics 2008-11-26 G. J. Qiao , K. J. Lee , H. G. Wang , R. X. Xu , B. Zhang

Rinne et al. conduct an interesting analysis of the impact of wind turbine technology and land-use on wind power potentials, which allows profound insights into each factors contribution to overall potentials. The paper presents a detailed…

Applications · Statistics 2021-12-30 Claude Klöckl , Katharina Gruber , Peter Regner , Sebastian Wehrle , Johannes Schmidt

The center of gravity is a widespread algorithm for position reconstruction in particle physics. For track fitting, its standard use is always accompanied by an easy guess for the probability distribution of the positioning errors. This is…

Instrumentation and Detectors · Physics 2020-04-21 Gregorio Landi , Giovanni E. Landi

Pulsars are very stable clocks in space which have many applications to problems in physics and astrophysics. Observations of double-neutron-star binary systems have given the first observational evidence for the existence of gravitational…

High Energy Astrophysical Phenomena · Physics 2010-04-22 R. N. Manchester

The measurement of pulsar pulse times-of-arrival (ToAs) is a crucial step in detecting low-frequency gravitational waves. To determine ToAs, we can use template-matching to compare each observed pulse profile with a standard template.…

Instrumentation and Methods for Astrophysics · Physics 2024-07-17 J. Wang , J. P. W. Verbiest , G. M. Shaifullah , I. Cognard , L. Guillemot , G. H. Janssen , M. B. Mickaliger , A. Possenti , G. Theureau

I survey recent successes in the application of relativistic MHD and force-free electrodynamics to the modeling of the pulsars' rotational energy loss mechanism as well as to the structure and emission characteristics of Pulsar Wind…

Astrophysics · Physics 2007-08-09 Jonathan Arons

Pulsars are unique astrophysical laboratories because of their clock-like timing precision, providing new ways to test general relativity and detect gravitational waves. One impediment to high-precision pulsar timing experiments is timing…

Solar and Stellar Astrophysics · Physics 2015-05-20 Rachel Rosen , Maura A. McLaughlin , Susan E. Thompson

With the rising costs of conventional sources of energy, the world is moving towards sustainable energy sources including wind energy. Wind turbines consist of several electrical and mechanical components and experience an enormous amount…

Machine Learning · Computer Science 2020-01-13 Joyjit Chatterjee , Nina Dethlefs

In this paper, we describe a novel experiment for the accurate estimation of pulsar dispersion measures using the Giant Metre-wave Radio Telescope. This experiment was carried out for a sample of twelve pulsars, over a period of more than…

Astrophysics · Physics 2009-11-10 A. L. Ahuja , Y. Gupta , D. Mitra , A. K. Kembhavi

We report on the X-ray emission properties of the pulsar PSR J1849$-$0001 and its wind nebula (PWN), as measured by Chandra, XMM-Newton, NICER, Swift, and NuSTAR. In the X-ray data, we detected the 38-ms pulsations of the pulsar up to…

High Energy Astrophysical Phenomena · Physics 2023-11-22 Chanho Kim , Jaegeun Park , Jooyun Woo , Sarah Silverman , Hongjun An , Aya Bamba , Kaya Mori , Stephen P. Reynolds , Samar Safi-Harb

Pulsar Wind nebulae (PWNe), are among the most efficient particle accelerators in the Universe, however understanding the physical conditions and the magnetic geometry in their inner region has always proved elusive. X-ray polarization…

High Energy Astrophysical Phenomena · Physics 2025-07-02 N. Bucciantini , J. Wong , R. W. Romani , F. Xie , C. -Y. Ng , S. Silvestri , N. Di Lalla , Y. -J. Yang , S. Zhang , P. Slane , W. -T. Ye , M. Pilia , N. Omodei , M. Negro

We investigated the kinematics of the pulsar wind nebula (PWN) associated with PSR B1951+32 in the old supernova remnant CTB 80 using the Fabry-Perot interferometer of the 6m Special Astrophysical Observatory telescope. In addition to the…

Astrophysics · Physics 2009-11-10 T. A. Lozinskaya , V. N. Komarova , A. V. Moiseev , S. I. Blinnikov

The pulsar velocity distribution provides information about the binary history of pulsar progenitors as well as asymmetries of the supernova events in which pulsars are born. Studies of local pulsars present a biased view of this…

Astrophysics · Physics 2009-10-31 R. S. McGary , W. F. Brisken , A. S. Fruchter , W. M. Goss , S. E. Thorsett

We measured a sample of 150 pulsar Rotation Measures (RMs) using the 20-cm receiver of the Parkes 64-m radio telescope. 46 of the pulsars in our sample have not had their RM values previously published, whereas 104 pulsar RMs have been…

Astrophysics · Physics 2009-11-13 Aristeidis Noutsos , Simon Johnston , Michael Kramer , Aris Karastergiou

X-ray polarization observations of pulsar wind nebulae (PWNe) provide crucial insights into magnetic field structures and particle acceleration mechanisms. While the Imaging X-ray Polarimetry Explorer (IXPE) has made significant…

High Energy Astrophysical Phenomena · Physics 2026-03-24 Kuan Liu , Fei Xie , Ming-Yu Ge , Wei Deng , En-Wei Liang

There have been significant developments in the period estimation tools and methods for analysing high energy pulsars in the past few decades. However, these tools lack well-standardised methods for calculating uncertainties in period…

High Energy Astrophysical Phenomena · Physics 2023-11-14 Akshat Singhal , Ishan Jain , Suman Bala , Varun Bhalerao

Modeling the amplitudes and shapes of the X-ray pulsations observed from hot, rotating neutron stars provides a direct method for measuring neutron-star properties. This technique constitutes an important part of the science case for the…

High Energy Astrophysical Phenomena · Physics 2015-06-17 Dimitrios Psaltis , Feryal Ozel , Deepto Chakrabarty

We have developed a method to compute the possible distribution of radio emission regions in a typical pulsar magnetosphere, taking into account the viewing geometry and rotational effects of the neutron star. Our method can estimate the…

Astrophysics of Galaxies · Physics 2015-05-18 R. M. C. Thomas , Y. Gupta , R. T. Gangadhara

We investigate the impact of noise processes on high-precision pulsar timing. Our analysis focuses on the measurability of the second spin frequency derivative $\ddot{\nu}$. This $\ddot{\nu}$ can be induced by several factors including the…

High Energy Astrophysical Phenomena · Physics 2019-07-09 X. J. Liu , M. J. Keith , C. Bassa , B. W. Stappers