Search
Skip to Search Results- 123Physics, Department of
- 121Physics, Department of/Journal Articles (Physics)
- 1Earth and Atmospheric Sciences, Department of
- 1Earth and Atmospheric Sciences, Department of/Journal Articles (Earth and Atmospheric Sciences)
- 1Physics, Department of/Conference/Workshop Presentations (Physics)
- 1Physics, Department of/Book Chapters (Physics)
- 73Rankin, Robert
- 32Sivakoff, Gregory Robert
- 18Kabin, Konstantin
- 15Marchand, Richard
- 13Altamirano, Diego
- 13Miller-Jones, James C. A.
- 23X-Rays: Binaries
- 14Field Line Resonances
- 14Magnetosphere
- 11Accretion
- 11Radio Continuum: Stars
- 10Acceleration
-
2014-01-01
Curran, P. A., Coriat, Mickael, Miller-Jones, James C. A., Armstrong, R. P., Edwards, P. G., Sivakoff, Gregory Robert, Woudt, Patrick Alan, Altamirano, Diego, Belloni, Thomaso. M., Corbel, Stephane, Fender, Rob P., Körding, Elmar. G., Krimm, H. A., Markoff, Sera, Migliari, Simone, Russell, D. M., Stevens, J., Tzioumis, T.
Swift J1745−26 is an X-ray binary towards the Galactic Centre that was detected when it went into outburst in 2012 September. This source is thought to be one of a growing number of sources that display ‘failed outbursts’, in which the self-absorbed radio jets of the transient source are never...
-
1993
Frycz, P., Samson, J. C., Rankin, Robert, Harrold, B. G.
Magnetohydrodynamic, field line resonances in the Earth's magnetosphere can have very large velocity shears and field-aligned currents. Auroral radar measurements of high-latitude resonances indicate that the velocities associated with the resonances in the E and F regions am often substantially...
-
2010-01-01
Shankar, Francesco, Sivakoff, Gregory Robert, Vestergaard, Marianne, Dai, Xinyu
We cross-correlate the Sloan Digital Sky Survey Data Release 3 quasar sample with Faint Images of the Radio Sky at Twenty centimetres (FIRST) and the Vestergaard et al. black hole (BH) mass sample to compare the mean accretion histories of optical and radio quasars. We find significant...
-
2016-01-01
Russell, Thomas D., Miller-Jones, James C. A., Sivakoff, Gregory Robert, Altamirano, Diego, O'Brien, Tim J., Page, Kim L., Templeton, Matthew R., Körding, E. G., Knigge, C., Fender, Rob P., Heinz, S., Maitra, D., Markoff, Sera, Rupen, Michael P., Migliari, Simone, Remillard, Ronald Alan, Russell, D. M., Sarazin, Craig L., Waagen, Elizabeth O.
We present the results of our intensive radio observing campaign of the dwarf nova SS Cyg during its 2010 April outburst. We argue that the observed radio emission was produced by synchrotron emission from a transient radio jet. Comparing the radio light curves from previous and subsequent...
-
2002
Zank, G. P., Lu, J. Y., Rankin, Robert, Marchand, Richard
The propagating source method for solving the time-dependent Boltzmann equation describing particle propagation in a magnetically turbulent medium is extended to a more realistic case that includes focusing and adiabatic deceleration. The solutions correspond to beam propagation in the solar...
-
2017-01-01
Bahramian, Arash, Heinke, Craig O., Tudor, Vlad, Miller-Jones, James. C. A., Bogdanov, Slavko, Maccarone, Thomas J., Knigge, C., Sivakoff, Gregory Robert, Chomiuk, Laura, Strader, Jay, Garcia, Javier A., Kallman, Timothy
47 Tuc X9 is a low-mass X-ray binary (LMXB) in the globular cluster 47 Tucanae, and was previously thought to be a cataclysmic variable. However, Miller-Jones et al. recently identified a radio counterpart to X9 (inferring a radio/X-ray luminosity ratio consistent with black hole LMXBs), and...
-
THEMIS observations of the spatial extent and pressure‐pulse excitation of field line resonances
Download2010
Kabin, Konstantin, Liu, Wenlong, Rankin, Robert, Angelopoulos, Vassilis, Glassmeier, Karl-Heinz, Li, X., Sarris, T. E., Bonnell, John, Talaat, Elsayed R.
We present a case study of Field Line Resonances (FLRs) in the dayside magnetosphere, observed in both electric and magnetic field components at multiple L-shells near the equator. The event measured by the five THEMIS probes and the nearby GOES and Geotail satellites provides a unique...
-
2005
Kabin, Konstantin, Marchand, Richard, Lu, J. Y., Rankin, Robert, Tikhonchuk, Vladimir T.
It is shown that perpendicular gradients in shear Alfvén wave (SAW) dispersion regulate the localization of wave power on nightside geomagnetic L-shells where narrow Field Line Resonances (FLRs) form. We estimate the timescale for this process, ω0tc = 1/equation image, and demonstrate that it is...
-
2011
Singer, Howard J., Murphy, Kyle R., Degeling, Alex W., Rankin, Robert, Rae, I. Johnathan, Watt, Clare E.
Measurements from ground-based magnetometers and riometers at auroral latitudes have demonstrated that energetic (similar to 30-300 keV) electron precipitation can be modulated in the presence of magnetic field oscillations at ultralow frequencies. It has previously been proposed that an...
-
Understanding X-ray irradiation in low-mass X-ray binaries directly from their light-curves
Download2018-01-01
Sivakoff, Gregory Robert, Tetarenko, Bailey E., Dubus, G., Lasota, Jean-Pierre, Heinke, Craig O.
The X-ray light curves of the recurring outbursts observed in low-mass X-ray binaries provide strong test beds for constraining (still) poorly understood disc-accretion processes. These light curves act as a powerful diagnostic to probe the physics behind the mechanisms driving mass inflow and...