Dynamics of an electric current-carrying string loop near a
... oscillatory to the linear mode is possible [1,2,10] and in the preceding paper [3] we have estimated its efficiency and studied the role of the cosmic repulsion, that can be, surprisingly, relevant in astrophysical phenomena [4]. Here we extend our previous research to the case when the black hole i ...
... oscillatory to the linear mode is possible [1,2,10] and in the preceding paper [3] we have estimated its efficiency and studied the role of the cosmic repulsion, that can be, surprisingly, relevant in astrophysical phenomena [4]. Here we extend our previous research to the case when the black hole i ...
Functions of the Gravitational Potential
... Put the average ground gravitational potential associated with the rest mass of the earth U E 6.24 107 (m / s)2 into formula (4.37) to get a constant speed: VE 20376 m / s which will be interpreted as the speed of a flux associated with the cosmic gravitational field in section 5. If the grav ...
... Put the average ground gravitational potential associated with the rest mass of the earth U E 6.24 107 (m / s)2 into formula (4.37) to get a constant speed: VE 20376 m / s which will be interpreted as the speed of a flux associated with the cosmic gravitational field in section 5. If the grav ...
Angular momentum and the formation of stars and
... spin angular momentum of this matter must still be removed or redistributed during the star formation process. The excess spin angular momentum of the matter from which each star forms could in principle be transferred to outlying gas or to the orbital motions of other stars, and both magnetic and g ...
... spin angular momentum of this matter must still be removed or redistributed during the star formation process. The excess spin angular momentum of the matter from which each star forms could in principle be transferred to outlying gas or to the orbital motions of other stars, and both magnetic and g ...
The spin-up of contracting red supergiants
... where M is the mass of the star. The larger χ the more efficient is the loss of angular momentum per unit mass lost. A value of χ > 1 corresponds to a decrease of the mean specific angular momentum of the envelope, χ < 1 to an increase. For the case of mass loss from the surface of a rigidly rotatin ...
... where M is the mass of the star. The larger χ the more efficient is the loss of angular momentum per unit mass lost. A value of χ > 1 corresponds to a decrease of the mean specific angular momentum of the envelope, χ < 1 to an increase. For the case of mass loss from the surface of a rigidly rotatin ...
systems - Research in Astronomy and Astrophysics
... sufficiently far away and a variable red source at the dynamical center of the galaxy could unambiguously be identified (Genzel et al. 2003; Ghez et al. 2004, see also Fig. 1). Ever since its discovery it was claimed that Sgr A*’s variability is accompanied by a quasiperiodicity (QPO) of ∼20 min. Ho ...
... sufficiently far away and a variable red source at the dynamical center of the galaxy could unambiguously be identified (Genzel et al. 2003; Ghez et al. 2004, see also Fig. 1). Ever since its discovery it was claimed that Sgr A*’s variability is accompanied by a quasiperiodicity (QPO) of ∼20 min. Ho ...
Ultraluminous X-ray Sources in Andromeda Galaxy
... (Fabbiano, 1989). These were observed as very bright X-ray sources(ULXs) near centers of various galaxies. But, due to the low spatial resolution of the Imaging Proportional Counter instrument (FWHM ∼ 1’) on Einstein, it was difficult to separate these sources from the nucleus of galaxies. These obs ...
... (Fabbiano, 1989). These were observed as very bright X-ray sources(ULXs) near centers of various galaxies. But, due to the low spatial resolution of the Imaging Proportional Counter instrument (FWHM ∼ 1’) on Einstein, it was difficult to separate these sources from the nucleus of galaxies. These obs ...
Merger of binary neutron stars with realistic equations of state in full
... realistic equations of state are quite different from those in the -law equation of state with 2 (hereafter referred to as the 2 equation of state) which has been widely adopted so far (e.g., [12]).1 It can be expected that these differences will modify the properties of the merger quantita ...
... realistic equations of state are quite different from those in the -law equation of state with 2 (hereafter referred to as the 2 equation of state) which has been widely adopted so far (e.g., [12]).1 It can be expected that these differences will modify the properties of the merger quantita ...
2. Bright AGN phase
... accreting at around or slightly less than the Eddington rate. The gas becomes transparent and the nucleus can be seen. 3. Death of bright AGNs radiation of AGNs expels gases to quench both accretion and star formation. 4. Faint AGN phases accreting at very low rates 0.01M / M Edd . ...
... accreting at around or slightly less than the Eddington rate. The gas becomes transparent and the nucleus can be seen. 3. Death of bright AGNs radiation of AGNs expels gases to quench both accretion and star formation. 4. Faint AGN phases accreting at very low rates 0.01M / M Edd . ...
PS1-10jh: The Disruption of a Main-Sequence Star of Near
... rt , and is initially resolved by 50 grid cells across its diameter. As realistic equations of state are only sensical at the full-scale of the problem, the hydrodynamics of the gas are treated using a simple adiabatic polytrope P ∝ ργ , where γ is the adiabatic index. As we do not include any expli ...
... rt , and is initially resolved by 50 grid cells across its diameter. As realistic equations of state are only sensical at the full-scale of the problem, the hydrodynamics of the gas are treated using a simple adiabatic polytrope P ∝ ργ , where γ is the adiabatic index. As we do not include any expli ...
disks surviving the radiation pressure of radio pulsars
... electromagnetic energy density generated by the neutron star as a rotating magnetic dipole in vacuum with the kinetic energy density of the disk. Inside the light cylinder, the near zone electromagnetic field is essentially the dipole magnetic field, and the inner radius is the conventional Alfvén ...
... electromagnetic energy density generated by the neutron star as a rotating magnetic dipole in vacuum with the kinetic energy density of the disk. Inside the light cylinder, the near zone electromagnetic field is essentially the dipole magnetic field, and the inner radius is the conventional Alfvén ...
Option A – Relativity
... Energy must be conserved under all circumstances, and so must momentum. The relativity of space and time requires new definitions for energy and momentum in order to preserve the conserved nature of these laws under relativistic transformations. General relativity is a framework of ideas, applied to ...
... Energy must be conserved under all circumstances, and so must momentum. The relativity of space and time requires new definitions for energy and momentum in order to preserve the conserved nature of these laws under relativistic transformations. General relativity is a framework of ideas, applied to ...
Gravitational lensing in presence of plasma O.Yu. Tsupko G.S. Bisnovatyi-Kogan
... If the photon impact parameter is close to its critical value, photon which goes from infinity can perform several turns around the central object and then go to infinity. In this case deflection angle is not small, and an exact expression for deflection angle in the Schwarzschild metric is required ...
... If the photon impact parameter is close to its critical value, photon which goes from infinity can perform several turns around the central object and then go to infinity. In this case deflection angle is not small, and an exact expression for deflection angle in the Schwarzschild metric is required ...
solving equations and inequalities
... A system of linear equations consists of two or more linear equations that may or may not have a common solution. The solution of a system of two linear equations is the set of values for the variables that makes all the equation true. The solutions can be expressed as ordered pairs in coordinate no ...
... A system of linear equations consists of two or more linear equations that may or may not have a common solution. The solution of a system of two linear equations is the set of values for the variables that makes all the equation true. The solutions can be expressed as ordered pairs in coordinate no ...
Answer - West Jefferson Local Schools
... you are working on. If you accessed a feature, this button will return you to the slide from where you accessed the feature. Click the Main Menu button to return to the presentation main menu. Click the Help button to access this screen. Click the Exit button or press the Escape key [Esc] to end the ...
... you are working on. If you accessed a feature, this button will return you to the slide from where you accessed the feature. Click the Main Menu button to return to the presentation main menu. Click the Help button to access this screen. Click the Exit button or press the Escape key [Esc] to end the ...
Kinematic signature of an intermediate
... young stars in sufficiently dense clusters (Portegies Zwart et al. 2004; Gürkan et al. 2004; Freitag et al. 2006). In addition Miller & Hamilton (2002) presented scenarios for the capture of clusters by their host galaxies and accretion in the galactic disk in order to explain the observed bright X-ra ...
... young stars in sufficiently dense clusters (Portegies Zwart et al. 2004; Gürkan et al. 2004; Freitag et al. 2006). In addition Miller & Hamilton (2002) presented scenarios for the capture of clusters by their host galaxies and accretion in the galactic disk in order to explain the observed bright X-ra ...
solving Linear equations in One Variable
... Jamal is building a rectangular deck. The length of the deck will be 1 foot longer than twice the width. The deck will be attached to Jamal’s house on one of its longer sides, and a railing will be attached to the other sides. Jamal calculates that he will need 49 feet of railing. What are the dimen ...
... Jamal is building a rectangular deck. The length of the deck will be 1 foot longer than twice the width. The deck will be attached to Jamal’s house on one of its longer sides, and a railing will be attached to the other sides. Jamal calculates that he will need 49 feet of railing. What are the dimen ...