HST WFPC2 Imaging of Shocks in Superbubbles
Bright X-ray emission has been detected in superbubbles in the Large Magellanic Cloud (LMC), and it is suggested that supernova
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Answer sourceBright X-ray emission has been detected in superbubbles in the Large Magellanic Cloud (LMC), and it is suggested that supernova
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Hubble Space Telescope Imaging of Bipolar Nuclear Shells in the Disturbed Virgo Cluster Galaxy NGC 4438
We present broadband and narrowband Hubble Space Telescope images of the central region of the heavily disturbed Virgo cluster galaxy
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Inertia Manipulation through Metric Patching
This paper will present the exact solution for the stress-energy tensor of a spherical matter shell of finite thickness that
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Interaction of Jets with Galactic Winds
We have used the vectorised and parallelised magnetohydrodynamics code NIRVANA on the NEC SX-5 and the new SX-6 installation in
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Limits on Expanding Relativistic Shells from Gamma-Ray Burst Temporal Structure
We calculate the expected envelope of emission for relativistic shells under the assumption of local spherical symmetry. Gamma-Ray Burst envelopes
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Local 3D real space atomic structure of the simple icosahedral Ho11Mg15Zn74 quasicrystal from PDF data
We present a new complementary strategy to quasicrystalline structure determination: The local atomic structure of simple icosahedral (si) Ho11Mg15Zn74 [a(6D)=5.144(3)A]
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Lorentz Symmetry and Ultra-High-Energy Cosmic Rays
We discuss the possibility of explaining the observation of ultra-high-energy cosmic rays with energy above the GZK cutoff, saving the
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Magnetic state of plutonium ion in metallic Pu and its compounds
By LDA+U method with spin-orbit coupling (LDA+U+SO) the magnetic state and electronic structure have been investigated for plutonium in Ξ΄and
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Morphology of Circumstellar Environment and Some Characterictics of Circumstellar Shells of Stars with the R Coronae Borealis Variability
The well-known light minima of stars with the R Coronae Borealis variability are caused by the formation of an additional
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On spherically-symmetric accretion by a collisionless polytrope
An isolated, spherically-symmetric, self-gravitating, collisionless system is always a polytrope when it reaches equilibrium (Nakamura 2000). This strongly suggests as
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On the pair-electromagnetic pulse from an electromagnetic Black Hole surrounded by a Baryonic Remnant
The interaction of an expanding Pair-Electromagnetic pulse (PEM pulse) with a shell of baryonic matter surrounding a Black Hole with
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On the quantum electrodynamics of moving bodies
A new synthesis of the principles of relativity and quantum mechanics is developed by replacing the PoincarΓ© group for the
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Relativistic Shells and Gamma-Ray Bursts
In many models of Gamma-Ray Bursts (GRBs) relativistic shells are responsible for the overall envelope of emission. We use kinematics
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Shake-up and shake-off excitations with associated electron losses in X-ray studies of proteins
Photoionisation of an atom by X-rays usually removes an inner-shell electron from the atom, leaving behind a perturbed "hollow ion"
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Single and Pair Production of Neutral Electroweak Gauge Bosons at LEP
Recent LEP results on single and pair production of neutral electroweak gauge bosons are reviewed. QED and Electroweak gamma-e Compton
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Sodium production in asymptotic giant branch stars
[condensed] A new scenario is presented for the production of Na23 in asymptotic giant branch (AGB) stars. The scenario takes
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Soft X-ray Spectra of Seyfert 2 Galaxies
High resolution spectroscopic observations of Seyfert galaxies with Chandra and XMM-Newton allows us to study the detailed ionization and thermal
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Spectroscopy of the Pistol and Quintuplet Stars in the Galactic Centre
We present initial results of a spectroscopic study of the Pistol and of the cocoon stars in the Quintuplet Cluster.
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Supranova Model for the Delayed Reddened Optical Excesses Detected in Several GRBs
Excess reddened optical emission has been measured in the power-law decay afterglow light curves of several GRBs some tens of
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The Cannonball Model of Gamma Ray Bursts: high-energy neutrinos and $Ξ³$-rays
Recent observations suggest that $Ξ³$-ray bursts (GRBs) and their afterglows are produced by jets of highly relativistic cannonballs (CBs), emitted
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The Dynamics of Collapsing Monopoles and Regular Black Holes
We study the formation and stability of regular black holes by employing a thin shell approximation to the dynamics of
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The evolution of helium white dwarfs: II. Thermal instabilities
We calculated a grid of evolutionary models for white dwarfs with helium cores (He-WDs) and investigated the occurrence of hydrogen-shell
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The evolution of helium white dwarfs: I. The companion of the millisecond pulsar PSR J1012+5307
We present a grid of evolutionary tracks for low-mass white dwarfs with helium cores in the mass range from 0.179
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The gasdynamic evolution of spherical planetary nebulae: Radiation-gasdynamics of PNe III
Using a radiation-gasdynamics code the evolution of spherical planetary nebulae is followed, while taking into account the evolution of central
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