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Orbital Period Determinations for Four SMC Be/X-ray Binaries
Orbital Period Determinations SMC Be/X-ray Binaries
2011/1/11
We present an optical and X-ray study of four Be/X-ray binaries located in the Small Magellanic Cloud (SMC). OGLE I-band data of up to 11 years of semi-continuous monitoring has been analysed for SMC ...
High Mass X-ray Binaries in the NIR : Orbital solutions of two highly obscured systems
High Mass X-ray Binaries；the NIR
2011/1/13
The maximum mass of a neutron star (NS) is poorly defined. Theoretical attempts to define this mass have thus far been unsuccessful. Observational results currently provide the only means of narrowing...
A Precision Test for an Extra Spatial Dimension Using Black Hole--Pulsar Binaries
Extra Spatial Dimension Black Hole Pulsar Binaries
2011/1/11
We discuss the observable effects of enhanced black-hole mass loss in a black hole--neutron star (BH--NS) binary, due to the presence of a warped extra spatial dimension of curvature radius $L$ in the...
Binaries migrating in a gaseous disk: Where are the Galactic center binaries?
accretion accretion disks binaries general Galaxy center hydrodynamics methods: numerical
2010/11/9
The massive stars in the Galactic center inner arcsecond share analogous properties with the so-called Hot Jupiters. Most of these young stars have highly eccentric orbits, and were probably not forme...
Stellar models of massive single stars are still plagued by major uncertainties. Testing and calibrating against observations is essential for their reliability.