Results 61 to 70 of about 109,416 (289)

THE EINSTEIN@HOME GAMMA-RAY PULSAR SURVEY. I. SEARCH METHODS, SENSITIVITY, AND DISCOVERY OF NEW YOUNG GAMMA-RAY PULSARS [PDF]

, 2016
We report on the results of a recent blind search survey for gamma-ray pulsars in Fermi Large Area Telescope (LAT) data being carried out on the distributed volunteer computing system, Einstein@Home.
C. Clark, C. Clark, J. Wu, H. Pletsch, H. Pletsch, L. Guillemot, L. Guillemot, L. Guillemot, B. Allen, B. Allen, B. Allen, C. Aulbert, C. Aulbert, C. Beer, C. Beer, O. Bock, O. Bock, A. Cuéllar, A. Cuéllar, H. Eggenstein, H. Eggenstein, H. Fehrmann, H. Fehrmann, M. Kramer, Michael Kramer, B. Machenschalk, B. Machenschalk, L. Nieder, L. Nieder   +28 more
semanticscholar   +1 more source

Polarimetric Evidence of the First White Dwarf Pulsar: The Binary System AR Scorpii

Galaxies, 2018
The binary star AR Scorpii was recently discovered to exhibit high amplitude coherent variability across the electromagnetic spectrum (ultraviolet to radio) at two closely spaced ∼2 min periods, attributed to the spin period of a white dwarf and the beat
David A.H. Buckley, Stephen B. Potter, Pieter J. Meintjes, Tom R. Marsh, Boris T. Gänsicke   +4 more
doaj   +1 more source

Pulsar Electrodynamics — Pulsars and Puzzlers — [PDF]

International Astronomical Union Colloquium, 1996
Abstract A gedanken experiment presented here provides basic understanding of how the pulsar magnetosphere operates. We discuss current issues about the electric-field acceleration along magnetic field lines and subsequent pair creation, and also about the pulsar wind problem.
openaire   +2 more sources

The characteristics of millisecond pulsar emission: I. Spectra, pulse shapes and the beaming fraction

, 1998
We have monitored a large sample of millisecond pulsars using the 100-m Effelsberg radio telescope in order to compare their radio emission properties to the slowly rotating population.
Alexander Wolszczan, Axel Jessner, Backer D. C., Bell J. F., Biggs J. D., Clifton T. R., D'Amico N., Doroshenko O. V., Duncan R. Lorimer, Fernando Camilo, Geppert U., Gil J. A., Gil J. A., Gil J. A., Jahan Miri M., Johnston S., Kanbach G., Kijak J., Kiriaki M. Xilouris, Kramer M., Kramer M., Lorimer D. R., Lorimer D. R., Lyne A. G., Malofeev V. M., Manchester R. N., Matese J. J., Michael Kramer, Narayan R., Nicastro L., Oleg Doroshenko, Ott M., Radhakrishnan V., Richard Wielebinski, Seiradakis J. H., Shklovskii I. S., Srinivasan G., Van den Heuvel E. P. J., von Hoensbroech A., von Hoensbroech A., Xilouris K. M.   +40 more
core   +1 more source

Pulsar Physics and GLAST [PDF]

, 2007
Rotation-powered pulsars are excellent laboratories for study of particle acceleration as well as fundamental physics of strong gravity, strong magnetic fields, high densities and relativity.
Harding, Alice K.
core   +2 more sources

Discovery of two new pulsars in 47 Tucanae (NGC 104) [PDF]

, 2016
We report the discovery of two new millisecond pulsars (PSRs J0024$-$7204aa and J0024$-$7204ab) in the globular cluster 47\,Tucanae (NGC 104). Our results bring the total number of pulsars in 47\,Tucanae to 25.
Z. Pan, G. Hobbs, Di Li, A. Ridolfi, Pei Wang, P. Freire   +5 more
semanticscholar   +1 more source

A LOFAR census of non-recycled pulsars: average profiles, dispersion measures, flux densities, and spectra [PDF]

, 2015
We present first results from a LOFAR census of non-recycled pulsars. The census includes almost all such pulsars known (194 sources) at declinations Dec > 8° and Galactic latitudes |Gb| > 3°, regardless of their expected flux densities and scattering ...
A. Bilous, V. Kondratiev, M. Kramer, E. Keane, J. Hessels, B. Stappers, V. Malofeev, C. Sobey, R. Breton, S. Cooper, H. Falcke, A. Karastergiou, D. Michilli, S. Osłowski, S. Sanidas, S. Veen, J. V. Leeuwen, J. Verbiest, P. Weltevrede, P. Zarka, J. Grießmeier, M. Serylak, Morag Bell, J. Broderick, J. E. FF. el, S. M. ff, A. Rowlinson   +26 more
semanticscholar   +1 more source

Radio pulsar binaries in globular clusters: their orbital eccentricities and stellar interactions

, 2009
High sensitivity searches of globular clusters (GC) for radio pulsars by improved pulsar search algorithms and sustained pulsar timing observations have so far yielded some 140 pulsars in more than two dozen GCs.
Alak Ray, Bagchi, Camilo, Fabian, Ford, Freire, Freire, Freire, Freire, Freire, Gopakumar, Heggie, Ihm, Jacoby, Manjari Bagchi, Mardling, McMillan, Podsiadlowski, Pryor, Ransom, Ray, Refsdal, Spitzer, Thorsett, Webbink   +24 more
core   +1 more source

A study of multifrequency polarization pulse profiles of millisecond pulsars [PDF]

, 2015
We present high signal-to-noise ratio, multifrequency polarization pulse profiles for 24 millisecond pulsars that are being observed as part of the Parkes Pulsar Timing Array project.
S. Dai, G. Hobbs, R. Manchester, M. Kerr, R. M. Shannon, W. Straten, A. Mata, M. Bailes, N. Bhat, S. Burke-Spolaor, W. Coles, S. Johnston, Michael J. Keith, Y. Levin, S. Osłowski, D. Reardon, Vikram Ravi, J. Sarkissian, C. Tiburzi, L. Toomey, H. Wang, Jie Wang, L. Wen, Renxin Xu, W. M. Yan, Xingjiang Zhu   +25 more
semanticscholar   +1 more source

Discovery of 15 New Pulsars at High Galactic Latitudes with FAST

The Astrophysical Journal
We present the discovery and timing results for 15 pulsars discovered in a high-Galactic-latitude survey conducted with the Five-hundred-meter Aperture Spherical Telescope.
Xin Xu, Shi Dai, Qijun Zhi, Juntao Bai, Joanna Berteaud, Francesca Calore, Maïca Clavel, Weiwei Zhu, Di Li, Rushuang Zhao, Renxin Xu, Guojun Qiao   +11 more
doaj   +1 more source