Results 11 to 20 of about 1,654 (188)
Pulsar magnetospheres and pulsar winds [PDF]
10 pages, 6 (black and white) figures, in Proceedings of the 2016 Heidelberg Symposium on High Energy Gamma-Ray ...
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The Pulsar Wind Nebula of the Geminga Pulsar
Revised version: data analysis described in more detail, Figure 2 replaced; 6 pages, 2 color figures; accepted for publication in ApJ (v.643, 2006 June 1)
Pavlov, G. G., Sanwal, D., Zavlin, V. E.
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Pulsar Electrodynamics — Pulsars and Puzzlers — [PDF]
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.
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Pulsar statistics - IV. Pulsar velocities [PDF]
We have used Monte Carlo simulations of the Galactic pulsar population to reassess the kinematics of radio pulsars in light of the large number of recently published proper motions and the revised distance model. Our modelling of the observational selection effects that distort the observed sample is far more detailed and self-consistent than that of ...
Lorimer, D. R. +2 more
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Pulsars are wonderful gravitational probes. Their tiny size and stellar mass give their rotation periods a stability comparable to that of atomic frequency standards. This is especially true of the rapidly rotating "millisecond pulsars" (MSPs). Many of these rapidly rotating pulsars are in orbit with another star, allowing pulsar timing to probe ...
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Polarimetric Evidence of the First White Dwarf Pulsar: The Binary System AR Scorpii
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 +4 more
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Recent H-alpha Results on Pulsar B2224+65’s Bow-Shock Nebula, the “Guitar” [PDF]
We used the 4 m Discovery Channel Telescope (DCT) at Lowell observatory in 2014 to observe the Guitar Nebula, an Hα bow-shock nebula around the high-velocity radio pulsar B2224+65.
Timothy Dolch +5 more
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The environment of TeV halo progenitors
Context. TeV haloes are extended sources of very-high-energy gamma rays found around some middle-aged pulsars. The emission spanning several tens of parsecs suggests an efficient confinement of the ultra-relativistic lepton pairs produced by pulsars in ...
Bourguinat Lioni-Moana +3 more
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The high-energy sources known as anomalous X-ray pulsars (AXPs) and soft gamma-ray repeaters (SGRs) are well explained as magnetars: isolated neutron stars powered by their own magnetic energy. After explaining why it is generally believed that the traditional energy sources at work in other neutron stars (accretion, rotation, residual heat) cannot ...
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Understanding the diffuse gamma ray emission of the milky way - from supernova remnants to dark matter [PDF]
Diffuse gamma ray emission from the Galactic center at 2-3 GeV, as well as the 12 TeV gamma ray excess in the Galactic disk, remain open for debate and represent the missing puzzles in the complete picture of the high-energy Milky Way sky.
Petrović Jovana M. +2 more
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