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A New Dynamical Model for the Black Hole Binary LMC X-1
Jerome A. Orosz, Danny Steeghs, Jeffrey E. McClintock +10
We present a dynamical model of the high mass X-ray binary LMC X-1 based on high-resolution optical spectroscopy and extensive optical and near-infrared photometry. From our new op…
Orbital Dynamics Of A Possible Second Planet In HD 17156
Donald Short, William F. Welsh, Jerome A. Orosz +1
In this letter we report the possible existence of a second planet in the transiting extrasolar planet system HD 17156 and its interactive dynamics with the previously known planet…
Precise Measurement of the Spin Parameter of the Stellar-Mass Black Hole M33 X-7
Jifeng Liu, Jeffery E. McClintock, Ramesh Narayan +2
In prior work, {\it Chandra} and Gemini-North observations of the eclipsing X-ray binary M33 X-7 have yielded measurements of the mass of its black hole primary and the system's or…
New Solutions for the Planetary Dynamics in HD160691 using a Newtonian Model and Latest Data
D. Short, G. Windmiller, J. A. Orosz
In this letter we present several new three and four-planet solutions based on the most current available radial velocity data for HD160691 (Ara). These solutions are optimised…
Dynamical Masses for the Large Magellanic Cloud Massive Binary System [L72] LH 54-425
S. J. Williams, D. R. Gies, T. J. Henry +8
We present results from an optical spectroscopic investigation of the massive binary system [L72] LH~54-425 in the LH 54 OB association in the Large Magellanic Cloud. We revise the…
Supplementary Information for "A 15.65 solar mass black hole in an eclipsing binary in the nearby spiral galaxy Messier 33"
Jerome A. Orosz, Jeffrey E. McClintock, Ramesh Narayan +8
This Supplementary Information provides details about the spectral extraction (crowding issues and the removal of nebular lines), a discussion about the distance to M33, a model fo…
A 15.65 solar mass black hole in an eclipsing binary in the nearby spiral galaxy Messier 33
Jerome A. Orosz, Jeffrey E. McClintock, Ramesh Narayan +8
Stellar-mass black holes are discovered in X-ray emitting binary systems, where their mass can be determined from the dynamics of their companion stars. Models of stellar evolution…
Optimisation of the 3-body dynamics applied to extra-solar planetary systems
Gur Windmiller, Don Short, Jerome Orosz
The body of work presented here revolves around the investigation of the existence and nature of extra-solar planetary systems. The fitting of stellar radial velocity time series d…
On Using the Rossiter Effect to Detect Terrestrial Planets
W. F. Welsh, J. A. Orosz
We explore the possibility that the transit signature of an Earth-size planet can be detected in spectroscopic velocity shifts via the Rossiter effect. Under optimistic but not unr…
The 2003 Outburst of the X-ray Transient H 1743-322: Comparisons with the Black Hole Microquasar XTE J1550-564
Jeffrey E. McClintock, Ronald A. Remillard, Michael P. Rupen +4
The bright X-ray transient H 1743-322 was observed daily by the Rossi X-ray Timing Explorer (RXTE) during most of its 8-month outburst in 2003. We present a detailed spectral analy…
NSVS01031772: A New 0.50+0.54 Msun Detached Eclipsing Binary
Mercedes Lopez-Morales, Jerome A. Orosz, J. Scott Shaw +4
We report the discovery of a new detached eclipsing binary known as NSVS01031772 with component masses M_1= 0.5428 +/- 0.0027Msun, M_2= 0.4982 +/- 0.0025Msun, and radii R_1= 0.5260…
2MASS J05162881+2607387: A New Low-Mass Double-Lined Eclipsing Binary
Amanda J. Bayless, Jerome A. Orosz
We show that the star known as 2MASS J05162881+2607387 (hereafter J0516) is a double-lined eclipsing binary with nearly identical low-mass components. The spectroscopic elements de…
Discovery of X-ray Jets in the Microquasar H 1743-322
S. Corbel, P. Kaaret, R. P. Fender +3
We report on the formation and evolution of two large-scale, synchrotron-emitting jets from the black hole candidate H 1743-322 following its reactivation in 2003. In November 2003…
System Parameters of the Transiting Extrasolar Planet HD 209458b
Robert A. Wittenmyer, William F. Welsh, Jerome A. Orosz +10
We derive improved system parameters for the HD 209458 system using a model that simultaneously fits both photometric transit and radial velocity observations. The photometry consi…
The X-ray Outburst of H1743-322: High-Frequency QPOs with a 3:2 Frequency Ratio
Ronald A. Remillard, Jeffrey E. McClintock, Jerome A. Orosz +1
We observed the 2003 X-ray outburst of H1743-322 in a series of 130 pointed observation with RXTE. We searched individual observations for high-frequency QPOs (HFQPOs) and found on…
Orbital Parameters for the Black Hole Binary XTE J1650-500
Jerome A. Orosz, Jeffrey E. McClintock, Ronald A. Remillard +1
(Shortened) We present R-band photometry of the X-ray transient and candidate black hole binary XTE J1650-500 obtained between 2003 May and August with the 6.5m Clay Telescope. A t…
Chandra Detections of Two Quiescent Black Hole X-Ray Transients
John A. Tomsick, Stephane Corbel, Rob Fender +6
Using the Chandra X-ray Observatory, we have detected the black hole transients V4641 Sgr and XTE J1859+226 in their low luminosity, quiescent states. The 0.3-8 keV luminosities ar…
Ultraviolet Spectra of CV Accretion Disks with Non-Steady T(r) Laws
Jerome A. Orosz, Richard A. Wade
An extensive grid of synthetic mid- and far-ultraviolet spectra for accretion disks in cataclysmic variables has been presented by Wade and Hubeny (1998). In those models, the disk…
Multiwavelength Spectrum of the Black Hole XTE J1118+480 in Quiescence
Jeffrey E. McClintock, Ramesh Narayan, Michael R. Garcia +3
We present an X-ray/UV/optical spectrum of the black hole primary in the X-ray nova XTE J1118+480 in quiescence at L_x = 4 x 10^{-9} of the Eddington luminosity. The Chandra, HST a…
X-Ray Emission from the Jets of XTE J1550-564
P. Kaaret, S. Corbel, J. A. Tomsick +5
We report on X-ray observations of the the large-scale jets recently discovered in the radio and detected in X-rays from the black hole candidate X-ray transient and microquasar XT…
X-Ray Jet Emission from the Black Hole X-Ray Binary XTE J1550-564 with Chandra in 2000
John A. Tomsick, Stephane Corbel, Rob Fender +5
We have discovered an X-ray jet due to material ejected from the black hole X-ray transient XTE J1550-564. The discovery was first reported by Corbel et al. (Science, 298, 196 and…
Large-Scale, Decelerating, Relativistic X-ray Jets from the Microquasar XTE J1550-654
S. Corbel, R. P. Fender, A. K. Tzioumis +5
We have discovered at x-ray and radio wavelengths large-scale moving jets from the microquasar XTE J1550-654. Plasma ejected from near the black hole traveled at relativistic veloc…
The eclipsing millisecond pulsar PSR J1740-5340 and its red straggler companion
Jerome A Orosz, Marten H. van Kerkwijk
We present a high-resolution echelle spectrum taken with the Very Large Telescope and analyse archival Hubble Space Telescope photometry of the recently identified companion of the…
Inventory of Black Hole Binaries
Jerome A. Orosz
A small group of X-ray binaries currently provides the best evidence for the existence of stellar-mass black holes. These objects are interacting binary systems where the X-rays ar…