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Related papers: Pulse emission mechanisms

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A wide range of events observed at the giant pulses (high energy density, observed localization of giant pulses (GPs) relative to the average pulse, fine structure of GPs with duration up to some nanoseconds, observed circular polarization…

Solar and Stellar Astrophysics · Physics 2015-07-23 V. M. Kontorovich

We have made polarimetric monitoring observations of millisecond pulsars visible from the northern hemisphere at 1410 MHz. Their emission properties are compared with those of normal pulsars. Although we demonstrated in paper I that…

It is conjectured that coherent re-emission of cyclotron resonance absorption could result in pulsar giant pulses. This conjecture seems reasonable as it can naturally explain the distribution of pulsars with giant pulses on the…

High Energy Astrophysical Phenomena · Physics 2021-03-31 Jiguang Lu , Weiyang Wang , Bo Peng , Renxin Xu

The model of pulsar radio emission is discussed in which a coherent radio emis-sion is excited in a vacuum gap above polar cap of neutron star. Pulsar X and gamma radiation are considered as the result of low-frequency radio emission…

Astrophysics · Physics 2009-06-23 V. M. Kontorovich , A. B. Flanchik

We have conducted observations of 22 pulsars at frequencies of 0.7, 1.4 and 3.1 GHz and present their polarization profiles. The observations were carried out for two main purposes. First we compare the orientation of the spin and velocity…

Astrophysics · Physics 2009-11-13 Simon Johnston , M. Kramer , A. Karastergiou , G. Hobbs , S. Ord , J. Wallman

Pulsar electrodynamics is reviewed emphasizing the role of the inductive electric field in an oblique rotator and the incomplete screening of its parallel component by charges, leaving `gaps' with $E_\parallel\ne0$. The response of the…

High Energy Astrophysical Phenomena · Physics 2016-04-27 D. B. Melrose , R. Yuen

We have conducted a detailed analysis of the emission geometry of a handful of radio pulsars that have prominent, multiple-component profiles at meter wavelengths. From careful determination of the total number of emission components and…

Astrophysics · Physics 2009-11-07 Y. Gupta , R. T. Gangadhara

In this paper we give the first attempt to model the evolution of the spectrum of PSR B1259$-$63 radio emission while the pulsar orbits the companion Be star. As suggested by Kijak et al. (Mon. Not. R. Astron. Soc. 418:L114, 2011a) this…

Astrophysics of Galaxies · Physics 2016-08-24 M. Dembska , J. Kijak , O. Koralewska , W. Lewandowski , G. Melikidze , K. Rożko

The possibility of a polarization sounding of the pulsar magnetosphere is examined, using intrinsic pulsar emission as a probe signal, for modern radio telescopes operating in the meter and decameter wavelength range. Different models of…

Astrophysics of Galaxies · Physics 2015-06-11 O. M. Ulyanov , A. I. Shevtsova , A. A. Seredkina

Aims: Emission of radio waves from plasmas through plasma emission with fundamental and harmonic frequencies is a familiar process known from solar type II radio bursts. Current models assume the existence of counterstreaming electron beam…

Solar and Stellar Astrophysics · Physics 2014-05-08 Urs Ganse , Patrick Kilian , Felix Spanier , Rami Vainio

Our high time resolution observations of individual pulses from the Crab pulsar show that the main pulse and interpulse differ in temporal behavior, spectral behavior, polarization and dispersion. The main pulse properties are consistent…

Astrophysics · Physics 2009-06-23 J. A. Eilek , T. H. Hankins

This paper presents a review of the history, motivation and current status of high energy neutrino telescopes. Many years after these detectors were first conceived, the operation of kilometer-cubed scale detectors is finally on the horizon…

Astrophysics · Physics 2010-01-15 K. D. Hoffman

Fast radio bursts are radio transients observed mainly around 1.5 GHz. Their peak frequency decreases at a rate of 100 ~ 500 MHz/s and some of them have a broader pulse with an exponentially decaying tail. Common assumptions for fast radio…

High Energy Astrophysical Phenomena · Physics 2017-08-30 Qiwu Song , Yu Huang , Hengqiang Feng , Lei Yang , Tuanhui Zhou , Qingyu Luo , Tengfei Song , Xuefei Zhang , Yu Liu , Guangli Huang

In Basu et al. 2011 we reported the detection of Off-pulse emission from two long period pulsars B0525+21 and B2045-16. The pulsars were observed at a single epoch using the 325 MHz frequency band of the Giant Meterwave Radio Telescope…

Astrophysics of Galaxies · Physics 2012-10-04 Rahul Basu , Dipanjan Mitra , Ramana Athreya

The collision of the hypersonic winds in early-type binaries produces shock heated gas, which radiates thermal X-ray emission, and relativistic electrons, which emit nonthermal radio emission. We review our current understanding of the…

Astrophysics · Physics 2007-05-23 J. M. Pittard , S. M. Dougherty , R. F. Coker , M. F. Corcoran

Extremely relativistic particles play an important role in various radiative mechanisms of pulsar radio as well as high-energy emission. It is thus very essential to estimate the Lorentz factor of these particles in the radiation regions…

Astrophysics · Physics 2007-05-23 H. G. Wang , Y. Wang , G. J. Qiao , R. X. Xu

Rotation-powered pulsars and magnetars are two different observational manifestations of neutron stars: rotation powered pulsars are rapidly spinning objects that are mostly observed as pulsating radio sources, while magnetars, neutron…

High Energy Astrophysical Phenomena · Physics 2017-11-08 R. F. Archibald , M. Burgay , M. Lyutikov , V. M. Kaspi , P. Esposito , G. Israel , M. Kerr , A. Possenti , N. Rea , J. Sarkissian , P. Scholz , S. P. Tendulkar

In the average profiles of several radio pulsars, the main pulse is accompanied by the preceding component. This so called precursor is known for its distinctive polarization, spectral, and fluctuation properties. Recent single-pulse…

Astrophysics · Physics 2009-11-13 S. A. Petrova

The observational evidence for jets and phenomena arising from rotation powered radio pulsars is reviewed, including many recent and exciting discoveries at X-ray wavelengths. The well studied jets of the Crab pulsar are summarised,…

Astrophysics · Physics 2009-10-28 J. F. Bell

In the double pulsar system PSR J0737-3039A/B the strong wind produced by pulsar A distorts the magnetosphere of pulsar B. The influence of these distortions on the orbital-dependent emission properties of pulsar B can be used to determine…

Astrophysics of Galaxies · Physics 2015-06-04 B. B. P. Perera , D. Lomiashvili , K. N. Gourgouliatos , M. A. McLaughlin , M. Lyutikov
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