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Related papers: Reviewing Pulsar Spectra

200 papers

Significant gamma-ray pulsations have been detected from ~40 millisecond pulsars (MSPs) using 3 years of sky-survey data from the Fermi LAT and radio timing solutions from across the globe. We have fit the radio and gamma-ray pulse profiles…

High Energy Astrophysical Phenomena · Physics 2019-08-14 T. J. Johnson , A. K. Harding , C. Venter , J. E. Grove

I discuss the development and resolution of the solar neutrino problem, as well as opportunities now open to us to extend our knowledge of main-sequence stellar evolution and neutrino astrophysics.

Nuclear Theory · Physics 2009-02-02 W. C. Haxton

With recent advances in the sensitivity of radio surveys of the Galactic disk, the number of millisecond pulsars (MSPs) has increased substantially in recent years such that it is now possible to study their demographic properties in more…

High Energy Astrophysical Phenomena · Physics 2022-03-14 Kshitij Aggarwal , Duncan. R. Lorimer

Solar neutrino physics is an exciting and difficult field of research for physicists, where astrophysics, elementary particle and nuclear physics meet. \ The Sun produces the energy that life has been using on Earth for many years, about…

High Energy Physics - Experiment · Physics 2011-02-07 Lino Miramonti , Franco Reseghetti

I review recent observational progress on Anomalous X-ray Pulsars, with an emphasis on timing, variability, and spectra. Highlighted results include the recent timing and flux stabilization of the notoriously unstable AXP 1E 1048.1-5937,…

Astrophysics · Physics 2008-11-26 V. M. Kaspi

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…

Solar neutrinos have been the subject of experimental study for almost half a century. The initial aim was '...to see into the interior of a star and thus verify directly the hypothesis of nuclear energy generation in stars'. Since then the…

High Energy Physics - Experiment · Physics 2015-04-17 Jeanne R. Wilson

Pulsars orbiting the Galactic center black hole, Sgr A*, would be potential probes of its mass, distance and spin, and may even be used to test general relativity. Despite predictions of large populations of both ordinary and millisecond…

Astrophysics of Galaxies · Physics 2014-02-20 Jason Dexter , Ryan M. O'Leary

We summarize the state of the art and future directions in using millisecond radio pulsars to test gravitation and measure intrinsic, fundamental parameters of the pulsar systems. As discussed below, such measurements continue to yield…

High Energy Astrophysical Phenomena · Physics 2019-03-21 Emmanuel Fonseca , Paul B. Demorest , Scott M. Ransom , Ingrid H. Stairs

The characteristics of irradiated solar system planetary atmospheres have been studied for decades, consequently modern planetary science benefits from an exhaustive body of ground- and space-based data. The study of extrasolar planetary…

Astrophysics · Physics 2008-09-29 Mark S. Marley

The stability of the spin of pulsars and the precision with which these spins can be determined, allows many unique tests of interest to physics and astrophysics. Perhaps the most challenging and revolutionary of these, is the detection of…

High Energy Astrophysical Phenomena · Physics 2024-05-07 Joris P. W. Verbiest , Sarah J. Vigeland , Nataliya K. Porayko , Siyuan Chen , Daniel J. Reardon

The interpretation of pulsation data for Sun-like stars is currently facing challenges quite similar to those faced by white dwarf modelers ten years ago. The observational requirements for uninterrupted long-term monitoring are beginning…

Astrophysics · Physics 2009-11-10 Travis S. Metcalfe

The nature of pulsar-like compact stars is still in controversy although the first pulsar was found more than 40 years ago. Generally speaking, conventional neutron stars and non-mainstream quark stars are two types of models to describe…

High Energy Astrophysical Phenomena · Physics 2015-06-03 Xiaoyu Lai , Renxin Xu

A high-frequency survey of the Galactic plane for radio pulsars is in progress, using the multibeam receiver on the 64-m Parkes radiotelescope. We describe the survey motivations, the observing plan and the inital results. The survey is…

Propagation of radio emission in pulsar magnetosphere is reviewed. The effects of polarization transfer, induced scattering and reprocessing to high energies are analysed with an especial emphasis on the implications for the gamma-ray…

High Energy Astrophysical Phenomena · Physics 2016-04-22 S. A. Petrova

We report the measurements of low radio frequency spectra of fourteen gigahertz-peaked spectra (GPS) pulsar candidates, between 300~MHz and 700~MHz, using the upgraded Giant Meterwave Radio Telescope. Combining newly collected measurements…

High Energy Astrophysical Phenomena · Physics 2025-04-14 K. Rożko , J. Kijak , R. Basu , P. Dabhade , W. Lewandowski

The vast majority of known non-accreting neutron stars (NSs) are rotation-powered radio and/or gamma-ray pulsars. So far, their multiwavelength spectra have all been described satisfactorily by thermal and non-thermal continuum models, with…

High Energy Astrophysical Phenomena · Physics 2015-06-11 Oleg Kargaltsev , Martin Durant , Zdenka Misanovic , George Pavlov

We present a short review of the existing evidence in favor of neutrino mass and neutrino oscillations which come from different kinds of experiments. We focus our attention in particular on solar neutrinos, presenting a global updated…

High Energy Physics - Phenomenology · Physics 2007-05-23 P. Aliani , V. Antonelli , R. Ferrari , M. Picariello , E. Torrente-Lujan

One of the tenets of the radio pulsar observational picture is that the integrated pulse profiles are constant with time. This assumption underpins much of the fantastic science made possible via pulsar timing. Over the past few years,…

High Energy Astrophysical Phenomena · Physics 2015-05-27 Aris Karastergiou , Steve J. Roberts , Simon Johnston , Hyoung-joo Lee , Patrick Weltevrede , Michael Kramer

High time-resolution observations of pulsars were carried out at 35 MHz, using the Gauribidanur Radio Telescope (India), to study the spectra of intrinsic pulse-to-pulse fluctuations. Our sample consists of a few bright pulsars, each of…

Astrophysics · Physics 2007-05-23 Ashish Asgekar , A. A. Deshpande