SPH simulations of tidally unstable accretion discs in cataclysmic variables (2007)
We numerically study the precessing disc model for superhumps in the SU UMa subclass of cataclysmic variables, using a two-dimensional SPH code specifically designed for thin disc problems. Two disc...
The effect of a planet on the dust distribution in a 3D protoplanetary disk (2007)
Fouchet, L., Maddison, S. T., Murray, J. R.
Aims: We investigate the behaviour of dust in protoplanetary disks under the action of gas drag in the presence of a planet. Our goal is twofold: to determine the spatial distribution of dust...
Populating the Galaxy with close Be binaries (2007)
Kiel, P. D., Hurley, J. R., Murray, J. R., Hayasaki, K.
Be/X-ray binaries comprise roughly two-thirds of the high-mass X-ray binaries (HMXBs), which is a class of X-ray binaries that results from the high mass of the companion or donor star (> 10 solar...
Disc precession in the M31 dipping X-ray binary Bo 158? (2006)
Barnard, R., Foulkes, S.B., Haswell, C.A., Kolb, U., Osborne, J.P., Murray, J.R.
We present results from three XMM-Newton observations of the M31 low mass X-ray binary (LMXB) XMMU J004314.4+410726.3 (Bo 158), spaced over 3d in 2004 July. Bo 158 was the first dipping LMXB to be...
Discovery and modelling of disc precession in the M31 X-ray binary Bo 158 (2006)
Barnard, Robin, Foulkes, S. B., Haswell, C. A., Kolb, Ulrich, Osborne, J. P., Murray, J. R.
The low mass X-ray binary (LMXB) associated with the M31 globular cluster Bo 158 is known to exhibit intensity dips on a ~2.78 hr period. This is due to obscuration of the X-ray source on the orbital...
Discovery and modelling of disc precession in the M31 X-ray binary BO 158 (2006)
Barnard, Robin, Foulkes, Stephen B., Haswell, Carol A., Kolb, Ulrich, Osborne, Julian P., Murray, J. R.
Abstract not available.
Discovery and modelling of disc precession in the M31 X-ray binary BO 158 (2006)
Barnard, Robin, Foulkes, Stephen B., Haswell, Carol A., Kolb, Ulrich, Osborne, Julian P., Murray, J. R.
Abstract not available.
Discovery and modelling of disc precession in the M31 X-ray binary Bo 158? (2005)
Barnard, R., Foulkes, S. B., Haswell, C. A., Kolb, U., Osborne, J. P., Murray, J. R.
The low mass X-ray binary (LMXB) associated with the M31 globular cluster Bo 158 is known to exhibit intensity dips on a ~2.78 hr period. This is due to obscuration of the X-ray source on the orbital...
Spiral waves and the secondary in the novalike variable, V3885 Sgr (2005)
Hartley, L. E., Murray, J. R., Drew, J. E., Long, K. S.
We present seven nights' blue spectroscopy of the novalike variable star, V3885 Sgr. The line spectrum shows a typical combination of broad absorption and emission in H gamma and H beta and He I,...
Discovery of disc precession in the M31 dipping X-ray binary Bo 158 (2005)
Barnard, R., Foulkes, S. B., Haswell, C. A., Kolb, U., Osborne, J. P., Murray, J. R.
We present results from three XMM-Newton observations of the M31 low mass X-ray binary XMMU J004314.4+410726.3 (Bo 158), spaced over 3 days in 2004, July. Bo 158 was the first dipping LMXB to be...
Hydrodynamic modelling of accretion flows (2004)
Murray, J. R., Truss, M. R., Foulkes, S. B., Haswell, C. A., Manson, K.
In the proceedings of this, and of several recent close binary conferences, there have been several contributions describing smoothed particle hydrodynamics simulations of accretion disks. It is...
Simulations of spectral lines from an eccentric precessing accretion disc (2004)
Foulkes, S. B., Haswell, C. A., Murray, J. R., Rolfe, D. J.
Two dimensional SPH simulations of a precessing accretion disc in a q=0.1 binary system (such as XTE J1118+480) reveal complex and continuously varying shape, kinematics, and dissipation. The...
Charles , P. A., Foulkes , S. B., Haswell , C. A., Hynes , R. I., Maxted , P. F. L., Murray , J. R., ...
Presentamos las trazas de espectrogramas orbitales de XTE J1118+480 tomados en el momento de alcanzar el máximo en 2000. Muestran un rasgo envolvente de onda S creciendo desde el impacto del chorro...
Hydrodynamic modelling of accretion flows (2004)
Foulkes , S. B., Haswell , C. A., Manson , K. J., Murray , J. R., Truss , M. R.
En estas memorias y en algunas otras de conferencias recientes sobre binarias cercanas hay varias contribuciones describiendo simulaciones hidrodinámicas de partículas suaves de discos de...
Building Planets with Dusty Gas (2002)
Maddison, S. T., Humble, R. J., Murray, J. R.
We have developed a new numerical technique for simulating dusty-gas flows. Our unique code incorporates gas hydrodynamics, self-gravity and dust drag to follow the dynamical evolution of a dusty-gas...
On the nature of superoutbursts in dwarf novae. (2001)
Truss, M. R., Murray, J. R., Wynn, G. A.
We present the first detailed hydrodynamic simulation of a superoutburst to incorporate the full tidal potential of a binary system. A two-dimensional smoothed particle hydrodynamics code is used to...
Superhumps in low mass X-ray binaries (2001)
Haswell, C.A, King, A.R, Murray, J.R, Charles, P.A
We propose a mechanism for the superhump modulations observed in optical photometry of at least two black-hole X-ray transients (SXTs). As in extreme mass-ratio cataclysmic variables (CVs),...
Superhumps in black hole X-ray transients (2001)
Haswell, C.A., Rolfe, D.J., King, A.R., Murray, J.R., Charles, P.A.
The superhumps in black hole X-ray transientsresult from a modulation in the area of the accretion disc. We discussimplications of this for parameter determinations in LMXBs.
The outbursts of dwarf novae. (2000)
Truss, M. R., Murray, J. R., Wynn, J. R., Edgar, R.G.
We present a numerical scheme for the evolution of an accretion disc through a dwarf nova outburst. We introduce a time-varying artificial viscosity into an existing smoothed particle hydrodynamics...
Murray, J. R., Warner, B., Wickramasinghe, D. T.
We investigate the role of the eccentric disc resonance in systems with mass ratios q greater than 1/4, and demonstrate the effects that changes in the mass flux from the secondary star have upon the...
Angular Momentum Transfer in the Binary X-ray Pulsar GX 1+4 (1999)
Greenhill, J. G., Galloway, D. K., Murray, J. R.
We describe three presentations relating to the X-ray pulsar GX 1+4 at a workshop on magnetic fields and accretion at the Astrophysical Theory Centre, Australian National University on 1998, November...
Tractor wheel effect on runoff both in China and Australia (1999)
Li, Yuxia, Bing, D., Tullberg, J. N., Murray, J. R., Gao, H., Li, H.
Tractor wheel effect on runoff both in China and Australia (1999)
Li, Yuxia, Bing, D., Tullberg, J. N., Murray, J. R., Gao, H., Li, H.
Controlled traffic farming in Australia and China (1999)
Chapman, W., Cannon, S., Yule, D. F., Tullberg, J. N., Murray, J. R.
Tractor wheel effect on runoff both in China and Australia (1999)
Li, Yuxia, Bing, D., Tullberg, J. N., Murray, J. R., Gao, H., Li, H.
Tractor wheel effect on runoff both in China and Australia (1999)
Li, Yuxia, Bing, D., Tullberg, J. N., Murray, J. R., Gao, H., Li, H.
Controlled traffic farming in Australia and China (1999)
Chapman, W., Cannon, S., Yule, D. F., Tullberg, J. N., Murray, J. R.
APPLICATION OF GAS LASERS TO STUDIES OF FUNDAMENTAL MOLECULAR AND ATOMIC PROCESSES. (1998)
Javan,Ali, Rhodes,C. K., Szoke,A., Murray,J. R., Kovacs,M. A.
Measurements related to important aspects of molecular energy transfer and vibrational relaxation in CO2 are continuing. Pressure dependence is determined in detail. Measurements of the motional...
The effects of tidally induced disc structure on white dwarf accretion in intermediate polars (1998)
Murray, J. R., Armitage, P. J., Ferrario, L., Wickramasinghe, D. T
We investigate the effects of tidally induced asymmetric disc structure on accretion onto the white dwarf in intermediate polars. Using numerical simulation, we show that it is possible for tidally...
Tilted accretion discs in cataclysmic variables: tidal instabilities and superhumps (1998)
Murray, J. R., Armitage, P. J.
We investigate the growth of tidal instabilities in accretion discs in a binary star potential, using three dimensional numerical simulations. As expected from analytic work, the disc is prone to an...
Simulations of spiral structure in the accretion disc of IP Pegasi during outburst (1998)
Armitage, P. J., Murray, J. R.
We consider the implications of the detection of spiral structure in the accretion disc of the binary IP Pegasi. We use numerical simulations of the development of a disc outburst to construct...
Angs by kinders in 'n pre-diagnostiese konteks : 'n teoretiese en praktiese verkenning /
Proefskrif (M.A.)--Randse Afrikaanse Universiteit, 1990.