Results 51 to 60 of about 745,401 (375)

Gravitational collapse of the OMC-1 region [PDF]

open access: yes, 2017
We have investigated the global dynamical state of the integral shaped filament in the Orion A cloud using new N 2 H + (1−0) large-scale, IRAM 30 m observations.
Á. Hacar   +4 more
semanticscholar   +1 more source

The Gravitational Wave Signal from Core-collapse Supernovae [PDF]

open access: yesAstrophysical Journal, 2018
We study gravitational waves (GWs) from a set of 2D multigroup neutrino radiation hydrodynamic simulations of core-collapse supernovae (CCSNe). Our goal is to systematize the current knowledge about the post-bounce CCSN GW signal and recognize the ...
V. Morozova   +3 more
semanticscholar   +1 more source

Gravitational collapse to a Kerr–Newman black hole [PDF]

open access: yes, 2017
We present the first systematic study of the gravitational collapse of rotating and magnetised neutron stars to charged and rotating (Kerr-Newman) black holes. In particular, we consider the collapse of magnetised and rotating neutron stars assuming that
A. Nathanail, E. Most, L. Rezzolla
semanticscholar   +1 more source

PARTICLES, NEUTRINO AND PHOTONS IN THE MAGNETOSPHERE OF A COLLAPSING STAR

open access: yesOdessa Astronomical Publications, 2014
The formation of the stellar magnetosphere during the gravitational collapse is discussed. Primary protons and electrons accelerate in the star’s magnetosphere during its gravitational collapse.
V. G. Kryvdyk
doaj   +1 more source

Do naked singularities generically occur in generalized theories of gravity? [PDF]

open access: yes, 1998
A new mechanism for causing naked singularities is found in an effective superstring theory. We investigate the gravitational collapse in a spherically symmetric Einstein-Maxwell-dilaton system in the presence of a pure cosmological constant "potential",
D. Garfinkle   +16 more
core   +2 more sources

Quantitative insights into the role of gravitational collapse in major orogenic belts

open access: yesAnnals of Geophysics, 2006
Previous works have proposed gravitational collapse as the driving mechanism of extensional deformation of thickened continental crust. In this work we investigate the physical plausibility of this interpretation for the most important orogenic ...
E. Mantovani, D. Albarello, M. Viti
doaj   +1 more source

An Optically Targeted Search for Gravitational Waves emitted by Core-Collapse Supernovae during the First and Second Observing Runs of Advanced LIGO and Advanced Virgo. [PDF]

open access: yes, 2019
We present the results from a search for gravitational-wave transients associated with core-collapse supernovae observed within a source distance of approximately 20 Mpc during the first and second observing runs of Advanced LIGO and Advanced Virgo.
The Ligo Scientific Collaboration   +499 more
semanticscholar   +1 more source

Gravitational wave emission from 3D explosion models of core-collapse supernovae with low and normal explosion energies [PDF]

open access: yesMonthly notices of the Royal Astronomical Society, 2018
Understanding gravitational wave emission from core-collapse supernovae will be essential for their detection with current and future gravitational wave detectors.
J. Powell, B. Müller
semanticscholar   +1 more source

PLANE SYMMETRIC GRAVITATIONAL COLLAPSE [PDF]

open access: yesInternational Journal of Modern Physics A, 2008
In this paper, we derive the general formulation by considering two arbitrary plane symmetric space–times using Israel's method. As an example, we apply this formulation to known plane symmetric space–times. We take the Taub's static metric in the interior region whereas Kasner's nonstatic metric in the exterior region.
Sharif, M., Ahmad, Zahid
openaire   +3 more sources

New method to observe gravitational waves emitted by core collapse supernovae [PDF]

open access: yesPhysical Review D, 2018
While gravitational waves have been detected from mergers of binary black holes and binary neutron stars, signals from core collapse supernovae, the most energetic explosions in the modern Universe, have not been detected yet.
P. Astone   +6 more
semanticscholar   +1 more source

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