Search Results - "Toth, Viktor T."

Evolving Morphology of Resolved Stellar Einstein Rings by Turyshev, Slava G., Toth, Viktor T.

“…We consider strong gravitational lensing by nearby stars. Using our wave-optical treatment of lensing phenomena, we study Einstein rings that may form around…”
Get full text

The Pioneer Anomaly by Turyshev, Slava G., Toth, Viktor T.

“…Radio-metric Doppler tracking data received from the Pioneer 10 and 11 spacecraft from heliocentric distances of 20–70 AU has consistently indicated the…”
Get full text

Imaging with a gravitational lens: the geometric view by Toth, Viktor T

“…ABSTRACT We investigate imaging point sources with a monopole gravitational lens, such as the Solar Gravitational Lens in the geometric optics limit. We…”
Get full text

Applying MOG to Lensing: Einstein Rings, Abell 520 and the Bullet Cluster by Moffat, John, Rahvar, Sohrab, Toth, Viktor

“…We investigate gravitational lensing in the context of the MOG modified theory of gravity. Using a formulation of the theory with no adjustable or fitted…”
Get full text

Cosmological Observations in a Modified Theory of Gravity (MOG) by Moffat, John, Toth, Viktor

“…Our Modified Gravity Theory (MOG) is a gravitational theory without exotic dark matter, based on an action principle. MOG has been used successfully tomodel…”
Get full text

Non-coplanar gravitational lenses and the “communication bridge” by Toth, Viktor T.

“…We investigate the propagation of light signals across multiple gravitational lenses, with particular emphasis on the “communication bridge” scenario of two…”
Get full text

Gravitational anomaly detection using a satellite constellation: analysis and simulation by Toth, Viktor T.

“…We investigate the utility of a constellation of four satellites in heliocentric orbit, equipped with accurate means to measure intersatellite ranges,…”
Get full text

Resolved imaging of exoplanets with the solar gravitational lens by Turyshev, Slava G, Toth, Viktor T

“…ABSTRACT We discuss the feasibility of direct multipixel imaging of exoplanets with the solar gravitational lens (SGL) in the context of a realistic deep space…”
Get full text

Scalar–tensor–vector–gravity and NGC-1277 by Moffat, John W, Toth, Viktor T

“…ABSTRACT NGC1277 is a compact but massive lenticular galaxy that shows no signs of the presence of dark matter. We find that this galaxy’s behaviour is…”
Get full text

Imaging rotating and orbiting exoplanets with the solar gravitational lens by Toth, Viktor T, Turyshev, Slava G

“…ABSTRACT We utilize the well-established properties of the solar gravitational lens (SGL) to consider more realistic observational scenarios. Actual…”
Get full text

Recovering the mass distribution of an extended gravitational lens by Turyshev, Slava G, Toth, Viktor T

“…ABSTRACT We investigate the possibility of determining the mass distribution of a gravitational lens via lensing observations. We consider an extended, compact…”
Get full text

Support for the thermal origin of the pioneer anomaly by Turyshev, Slava G, Toth, Viktor T, Kinsella, Gary, Lee, Siu-Chun, Lok, Shing M, Ellis, Jordan

“…We investigate the possibility that the anomalous acceleration of the Pioneer 10 and 11 spacecraft is due to the recoil force associated with an anisotropic…”
Get full text

Satellite Galaxy Velocity Dispersions in the SDSS and Modified Gravity Models by Moffat, John W, Toth, Viktor T

“…The Sloan Digital Sky Survey (SDSS) provides data on several hundred thousand galaxies. The precise location of these galaxies in the sky, along with…”
Get full text

Optical properties of the solar gravitational lens in the presence of the solar corona by Turyshev, Slava G., Toth, Viktor T.

“… We investigate the optical properties of the solar gravitational lens (SGL) in the presence of the solar corona. For this, we consider the combined influence…”
Get full text

Support for temporally varying behavior of the Pioneer anomaly from the extended Pioneer 10 and 11 Doppler data sets by Turyshev, Slava G, Toth, Viktor T, Ellis, Jordan, Markwardt, Craig B

“…The Pioneer anomaly is a small sunward anomalous acceleration found in the trajectory analysis of the Pioneer 10 and 11 spacecraft. As part of the…”
Get full text

Numerical simulation code for self-gravitating Bose–Einstein condensates by Madarassy, Enikő J.M., Toth, Viktor T.

“…We completed the development of simulation code that is designed to study the behavior of a conjectured dark matter galactic halo that is in the form of a…”
Get full text

The Puzzle of the Flyby Anomaly by Turyshev, Slava G., Toth, Viktor T.

“…Close planetary flybys are frequently employed as a technique to place spacecraft on extreme solar system trajectories that would otherwise require much larger…”
Get full text

The Pioneer Anomaly in the Light of New Data by Turyshev, Slava G., Toth, Viktor T.

“…The radio-metric tracking data received from the Pioneer 10 and 11 spacecraft from the distances between 20–70 astronomical units from the Sun has consistently…”
Get full text

Self-Gravitating Bose-Einstein Condensates and the Thomas-Fermi Approximation by Toth, Viktor

“…Self-gravitating Bose-Einstein condensates (BEC) have been proposed in various astrophysical contexts, including Bose-stars and BEC dark matter halos. These…”
Get full text

Evolution and dynamical properties of Bose-Einstein condensate dark matter stars by Madarassy, Eniko J. M., Toth, Viktor T.

“…Using recently developed nonrelativistic numerical simulation code, we investigate the stability properties of compact astrophysical objects that may be formed…”
Get full text