I. Jiang

Publications108
h-index15
Citations813
Highly Influential Citations38
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The orbit and mass of the Sagittarius dwarf galaxy
Possible orbital histories of the Sgr dwarf galaxy are explored. A special-purpose N-body code is used to construct the first models of the Milky Way–Sgr dwarf system in which both the Milky Way and…
On the Chermnykh-Like Problems: I. the Mass Parameter μ = 0.5
Following Papadakis (2005)'s numerical exploration of the Chermnykh's problem, we here study a Chermnykh-like problem motivated by the astrophysical applications. We find that both the equilibrium…
On the Chermnykh-Like Problems: II. The Equilibrium Points
Motivated by Papadakis (2005a, b), we study a Chermnykh-like problem, in which an additional gravitational potential from the belt is included. In addition to the usual five equilibrium points (three…
Warps and cosmic infall
N-body simulations show that when infall reorientates the outer parts of a galactic halo by several degrees per Gyr, a self-gravitating disc that is embedded in the halo develops an integral-sign…
The Persistence of Warps in Spiral Galaxies with Massive Haloes
ABSTRA C T We study the persistence of warps in galactic discs in the presence of massive haloes. A disc is approximated by a set of massive rings, while a halo is represented by a conventional…
Possible Transit Timing Variations of the TrES-3 Planetary System
Five newly observed transit light curves of the TrES-3 planetary system are presented. Together with other light curve data from literature, 23 transit light curves in total, which cover an overall…
A proper motions study of the globular cluster NGC 3201
With a high value of heliocentric radial velocity, a retrograde orbit, and being suspected to have an extragalactic origin, NGC 3201 is an interesting globular cluster for kinematical studies. Our…
On the formation of brown dwarfs
The observational properties of brown dwarfs pose challenges to the theory of star formation. Because their masses are much smaller than the typical Jeans m...
Investigating Extra-solar Planetary System Qatar-1 through Transit Observations
We report the results of the transit timing variation (TTV) analysis of the extra-solar planet Qatar-1b using thirty eight light curves. Our analysis combines thirty five previously available transit…
Detecting Exoplanet Transits through Machine-learning Techniques with Convolutional Neural Networks
TLDR
Results indicate that a combination of two-dimension convolutional neural network with folding would be an excellent choice for the future transit analysis of exoplanet transits.
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