CURRENT POSITION:

CURRENT ADDRESS:

EDUCATION:

• Ph.D. Astronomy, Yale University, New Haven, CT, May 1996
• M.S. Physics, Ohio University, Athens, OH, June 1991
• B.A. Physics and Mathematics, magna cum laude, University of Northern Colorado, Greeley, CO, May 1989

RESEARCH EXPERIENCE AND WORK EXPERIENCE:

Current position:

Past positions:

• AUG-1999---JUL-2002: Utrecht University, Astronomical Institute, Postdoctoral Research Associate, Frank Verbunt, supervisor
• AUG-1996---JUL-1999: The Pennsylvania State University, Department of Astronomy & Astrophysics, Postdoctoral Research Associate, Richard. A. Wade, supervisor
• MAY-1993---JUL-1996: Yale University Astronomy Department, Research Assistant, Optical studies of X-ray Novae, Charles Bailyn, supervisor
• JAN-1992---MAY-1995: Yale University Astronomy Department, Graduate Teaching Assistant, Undergraduate astronomy discussion section leader, Robert Zinn, Charles Bailyn, Sabatino Sofia, supervisors
• JAN-1991---JUN-1991: Ohio University Department of Physics and Astronomy, Research Assistant, Numerical simulations of controlling chaos, Roger Rollins, supervisor
• SEP-1989---JUN-1991: Ohio University Department of Physics and Astronomy, Teaching Fellow, Undergraduate physics discussion section leader, undergraduate physics laboratory course instructor, Folden Stumpf, supervisor
• JUN-1990---AUG-1990: NASA Goddard Space Flight Center, Participant in the Visiting Scientist Program, Modelling solar constant secular changes, Kenneth Schatten, supervisor
• JUN-1988---AUG-1988: NASA Goddard Space Flight Center, Participant in the Summer Institute for Atmospheric Science, Solar activity modelling, Kenneth Schatten, supervisor
• JUN-1987---AUG-1987: Langmuir Laboratory for Atmospheric Research, New Mexico Institute of Mining and Technology, Support Crew, Thunderstorm observations, C. B. Moore, supervisor

STUDENT PROJECTS SUPERVISED:

• 2000-2001, Maureen van den Berg (with F. Verbunt), collaboration on PhD thesis chapter.
• 2000-2001, Folkert Koetsveld (with F. Verbunt), ``afstudeerproject'' (undergraduate project).
• 2001-2002, Mark Gieles, ``afstudeerproject'' (undergraduate project).

PUBLICATIONS:

Link to NASA's Astrophysical Data System: All Astronomy, Refereed Astronomy, All Physics/Instrumentation.

1. Refereed Journals:

• 2003, ``Multiwavelength Spectrum of the Black Hole XTE J1118+480 in Quiescence'', J. E. McClintock, R. Narayan, M. R. Garcia, J. A. Orosz, R. A. Remillard, & S. S. Murray, Astrophysical Journal, submitted.
• 2003, ``X-ray Nova Cen X-2 (1967) and its Relationship to X-ray Nova GS1354-64 (1987, 1997)'', J. E. McClintock, J. A. Orosz, D. J. MacConnell, D. J. Mink, & R. A. Remillard, Astrophysical Journal, submitted.
• 2003, ``Resolved Jets and Long-Period Black Hole X-ray Novae'', M. R. Garcia, J. M. Miller, J. E. McClintock, A. R. King, & J. A. Orosz, Astrophysical Journal, in press (astro-ph/0302230).
• 2003, ``Discovery of X-ray Jet Emission from the Black Hole X-ray Binary XTE J1550-564 with Chandra'', J. A. Tomsick, S. Corbel, R. Fender, J. M. Miller, J. A. Orosz, T. Tzioumis, R. Wijnands, & P. Kaaret, Astrophysical Journal, 582, 933.
• 2003, ``X-ray Emission from the Jets of XTE J1550-564'', P. Kaaret, S. Corbel, J. A. Tomsick, R. Fender, J. M. Miller, J. A. Orosz, T. Tzioumis, & R. Wijnands, Astrophysical Journal, 582, 945.
• 2003, ``The Eclipsing Millisecond Pulsar PSR J1740-5340 and its Red Straggler Companion'', J. A. Orosz, & M. H. van Kerkwijk, Astronomy & Astrophysics, 397, 237.
• 2002, ``Evidence for Harmonic Relationships in the High Frequency QPOs of XTE J1550-564 and GRO J1655-40'', R. A. Remillard, M. P. Muno, J. E. McClintock, & J. A. Orosz, Astrophysical Journal, 580, 1030.
• 2002, ``Moving Relativistic X-ray Jets in the Microquasar XTE J1550-564'', S. Corbel, R. P. Fender, A. K. Tzioumis, J. A. Tomsick, J. A. Orosz, J. M. Miller, R. Wijnands, & P. Kaaret, Science, 298, 196.
• 2002, ``Dynamical Evidence for a Black Hole in the Microquasar XTE J1550-564'', J. A. Orosz, P. J. Groot, M. van der Klis, J. E. McClincock, M. R. Garcia, P. Zhao, R. K. Jain, C. D. Bailyn, & R. A. Remillard, Astrophysical Journal, 568, 845.
• 2001, ``Varying Shapes of Experimental Double-Slit Interference Patterns for Light, and a Model of Particle-Modified Interference Patterns'', W. Fadner, J. Orosz, C. Smith, & N. Sharma, J. Opt. B: Quantum Semiclass. Opt., 3, 400.
• 2001, ``A Multi-Wavelength, Multi-Epoch Study of the Soft X-Ray Transient Prototype, V616 Mon (A0620-00)'', D. M. Gelino, T. E. Harrison, & J. A. Orosz, Astronomical Journal, 122, 2668.
• 2001, ``The Long-Period Orbit of the Dwarf Nova V630 Cassiopaeia'', J. A. Orosz, J. R. Thorstensen, & R. K. Honeycutt, Monthly Notices of the Royal Astronomical Society, 326, 1134.
• 2001, ``The Blue Straggler S1082: a Triple System in the Old Open Cluster M67'', M. C. van den Berg, J. A. Orosz, F. Verbunt, & K. G. Stassun, Astronomy & Astrophysics, 375, 375.
• 2001, ``A Black Hole in the Superluminal source SAX J1819.3-2525 (V4641 Sgr)'', J. A. Orosz, E. Kuulkers, M. van der Klis, J. E. McClintock, M. R. Garcia, P. J. Callanan, C. D. Bailyn, R. K. Jain, & R. A. Remillard, Astrophysical Journal, 555, 489.
• 2001, ``Optical and Infrared Photometry of the Microquasar GRO J1655-40 in Quiescence'', J. Greene, C. D. Bailyn, & J. A. Orosz, Astrophysical Journal, 554, 1290.
• 2001, ``Multiwavelength Observations of the Black Hole Candidate XTE J1550-564 during the 2000 Outburst'', R. K. Jain, C. D. Bailyn, J. A. Orosz, J. E. McClintock, & R. A. Remillard, Astrophysical Journal, 554, L181.
• 2001, ``Optical Observations of the Black Hole Candidate XTE J1550-564 During the Re-flare and Quiescence'', R. K. Jain, C. D. Bailyn, J. A. Orosz, J. E. McClintock, G. J. Sobczak, & R. A. Remillard, Astrophysical Journal, 546, 1086.
• 2000, ``The use of the NextGen Model Atmospheres for Cool Giants in a Light Curve Synthesis Code'', J. A. Orosz, & P. H. Hauschildt, Astronomy & Astrophysics, 364, 265.
• 2000, ``Complete RXTE Spectral Observations of the Black Hole X-ray Nova XTE J1550-564, G. J. Sobczak, J. E. McClintock, R. A. Remillard, W. Cui, A. M. Levine, E. H. Morgan, J. A. Orosz, & C. D. Bailyn, Astrophysical Journal, 544, 993.
• 2000, ``Correlations Between Low-Frequency Quasi-Periodic Oscillations and Spectral Parameters in XTE 1550-564 and GRO J1655-40, G. J. Sobczak, J. E. McClintock, R. A. Remillard, W. Cui, A. M. Levine, E. H. Morgan, J. A. Orosz, & C. D. Bailyn, Astrophysical Journal, 531, 537.
• 2000, ``OGLE observations of four binary pulsars in the SMC'', M. J. Coe & J. A. Orosz, Monthly Notices of the Royal Astronomical Society, 311, 169.
• 1999, ``Confirmation of Eclipses in KPD 0422+5421, A Binary Containing a White Dwarf and a Subdwarf B Star'', J. A. Orosz & R. A. Wade, Monthly Notices of the Royal Astronomical Society, 310, 773.
• 1999, ``Spectrum Synthesis of Accretion Disks in Partial Eclipse'', R. A. Wade & J. A. Orosz, Astrophysical Journal, 525, 915.
• 1999, ``RXTE Observations of 0.1-300 Hz QPOs in the Microquasar GRO J1655-40'', R. A. Remillard, E. H. Morgan, J. E. McClintock, C. D. Bailyn, & J. A. Orosz, Astrophysical Journal, 522, 397.
• 1999, ``RXTE Spectral Observations of the 1996-97 Outburst of the Microquasar GRO J1655-40'', G. J. Sobczak, J. E. McClintock, R. A. Remillard, C. D. Bailyn, & J. A. Orosz, Astrophysical Journal, 520, 776.
• 1999, ``X-ray Nova XTE J1550-564: RXTE Spectral Observations'', G. J. Sobczak, J. E. McClintock, R. A. Remillard, A. M. Levine, E. H. Morgan, C. D. Bailyn, & J. A. Orosz, Astrophysical Journal, 517, L121.
• 1999, ``X-ray Nova XTE J1550-564: Discovery of a 185 Hz QPO'', R. A. Remillard, J. E. McClintock, G. J. Sobczak, C. D. Bailyn, J. A. Orosz, E. H. Morgan, & A. M. Levine, Astrophysical Journal, 517, L127.
• 1999, ``X-ray Nova XTE J1550-564: Optical Observations'', R. K. Jain, C. D. Bailyn, J. A. Orosz, R. A. Remillard, & J. E. McClintock, Astrophysical Journal, 517, L131.
• 1999, ``The Optical Light Curves of Cygnus X-2 (V1341 Cyg) and the Mass of its Neutron Star'', J. A. Orosz & E. Kuulkers, Monthly Notices of the Royal Astronomical Society, 305, 132.
• 1999, ``The Post-Common Envelope and Pre-Cataclysmic Binary PG 1224+309'', J. A. Orosz, R. A. Wade, J. J. B. Harlow, J. R. Thorstensen, C. J. Taylor, & M. Eracelous, Astronomical Journal, 117, 1598.
• 1998, ``KPD 0422+5421: A New Short Period Subdwarf B/White Dwarf Binary'', C. Koen, J. A. Orosz, & R. A. Wade, Monthly Notices of the Royal Astronomical Society, 300, 695.
• 1998, ``Orbital Parameters for the Soft X-ray Transient 4U 1543-47: Evidence for a Black Hole'', J. A. Orosz, R. K. Jain, C. D. Bailyn, J. E. McClintock, & R. A. Remillard, Astrophysical Journal, 499, 375.
• 1998, ``The Mass Distribution of Stellar Black Holes'', C. D. Bailyn, R. K. Jain, P. Coppi, & J. A. Orosz, Astrophysical Journal, 499, 367.
• 1997, ``Variable Radial Velocities Among Composite-Spectrum Binaries in the PG Catalog'', J. A. Orosz, R. A. Wade, & J. J. B. Harlow, Astronomical Journal, 114, 317.
• 1997, ``An Optical Precursor to the Recent X-ray Outburst of the Black Hole Binary GRO J1655-40'', J. A. Orosz, R. A. Remillard, C. D. Bailyn, & J. E. McClintock, Astrophysical Journal Letters, 478, L83.
• 1997, ``New Dating of the Open Cluster NGC 3680: CCD Photometry and Age'', V. Kozhurina-Platais, P. Demarque, I. Platais, J. A. Orosz, & S. Barnes, Astronomical Journal, 113, 1045.
• 1997, ``Optical Observations of GRO J1655-40 in Quiescence I: A Precise Mass for the Black Hole Primary'', J. A. Orosz & C. D. Bailyn, Astrophysical Journal, 477, 876.
• 1996, ``Improved Parameters for the Black Hole Binary X-ray Nova Muscae 1991'', J. A. Orosz, C. D. Bailyn, J. E. McClintock, & R. A. Remillard, Astrophysical Journal, 468, 330.
• 1996, ``Dynamical Evidence for a Black Hole in the X-ray Nova Ophiuchi 1977'', R. A. Remillard, J. A. Orosz, J. E. McClintock, & C. D. Bailyn, Astrophysical Journal, 459, 226.
• 1995, ``Dynamical Evidence for a Black Hole in the Eclipsing X-ray Nova GRO J1655-40'', C. D. Bailyn, J. A. Orosz, J. E. McClintock, & R. A. Remillard, Nature, 378, 157.
• 1995, ``Orbital Parameters of the Candidate Black Hole Binary GRO J0422+32'', J. A. Orosz & C. D. Bailyn, Astrophysical Journal Letters, 446, L59.
• 1995, ``The Optical Counterpart of GRO J1655-40'', C. D. Bailyn, J. A. Orosz, T. M. Girard, S. Jogee, M. della Valle, M. C. Begam, A. S. Fruchter, R. Gonzalez, P. A. Ianna, A. C. Layden, D. H. Martins, & M. Smith, Nature, 374, 701.
• 1995, ``Observations of the X-ray Nova GRO J0422+32. I. Outburst and the Decay to Quiescence'', P. J. Callanan, M. R. Garcia, J. E. McClintock, P. Zhao, R. A. Remillard, C. D. Bailyn, J. A. Orosz, B. A. Harmon, & W. S. Paciesas, Astrophysical Journal, 441, 786.
• 1995, ``Minioutbursts from the Black Hole Candidate Nova Velorum 1993'', C. D. Bailyn & J. A. Orosz, Astrophysical Journal Letters, 440, L73.
• 1994, ``Quiescent Accretion Disks in Black Hole X-ray Novae'', J. A. Orosz, C. D. Bailyn, R. A. Remillard, J. E. McClintock, & C. B. Foltz, Astrophysical Journal, 436, 848.
• 1990, ``Solar Constant Secular Changes'', K. H. Schatten & J. A. Orosz, Solar Physics, 125, 179.
• 1989, ``Do Faculae Blanket Sunspots?'', K. H. Schatten, J. A. Orosz, & H. G. Mayr, Astrophysical Journal, 347, 514.

2. Other Journals:

• 2003, ``Discovery of Another Mira Variable in the Field of V4641 Sgr'', J. A. Orosz, M. Gieles, C. D. Bailyn, & S. W. Tourtellotte, Information Bulletin on Variable Stars, #5384.
• 2002, ``Optical Monitoring of GM Sgr and Discovery of a Mira and a Short-Period Pulsator'', M. Gieles, J. A. Orosz, Hulleman, F., Brogt, E., Bailyn, C. D., & Garcia, M. R., Information Bulletin on Variable Stars, #5291.
• 2002, ``Ten new Semi-regular Variables in Sagittarius'', M. Gieles, J. A. Orosz, Hulleman, F., Brogt, E., Bailyn, C. D., & Garcia, M. R., Information Bulletin on Variable Stars, #5274.
• 2002, ``Discovery of Four Close Binary Stars in Sagittarius'', M. Gieles, J. A. Orosz, Hulleman, F., Brogt, E., Bailyn, C. D., & Garcia, M. R., Information Bulletin on Variable Stars, 5289.
• 2000, ``The Optical Spectrum of Luyten's Variable GM Sagittarii'', J. A. Orosz, Information Bulletin on Variable Stars, #4921.
• 1997, ``PG 2337+300: A New Cataclysmic Variable'', C. K. Koen & J. A. Orosz, Information Bulletin on Variable Stars, #4539.
• 1997, ``Dissertation Summary'', J. A. Orosz, Publications of the Astronomical Society of the Pacific, 109, 215 (unrefereed).
• 1995, ``The Optical Counterpart of the X-ray Nova GRO J1655-40'', J. A. Orosz, Journal of the AAVSO, 23, 117.

3. Conference Proceedings:

• 2002, ``Inventory of Black Hole Binaries'', J. A. Orosz, IAU Symp. 212, A Massive Star Odyssey, from Main Sequence to Supernova, eds. K. A. van der Hucht, A. Herraro, & C. Esteban, (San Francisco: ASP), in press (astro-ph/0209041).
• 2002, ``X-ray QPOs in Black-Hole Binary Systems'', R. A. Remillard, M. Muno, J. E. McClintock, & J. A. Orosz, New Views on MICROQUASARS, the Fourth Microquasars Workshop, eds. P. Durouchoux, Y. Fuchs, & J. Rodriguez, (Center for Physics: Kolkata), p. 49.
• 2002, ''Moving Relativistic Large-Scale X-ray jets in the Microquasar XTE J1550-564'', S. Corbel, R. P. Fender, A. K. Tzioumis, J. A. Tomsick, J. A. Orosz, J. M. Miller, R. Wijnands, & P. Kaaret, New Views on MICROQUASARS, the Fourth Microquasars Workshop, eds. P. Durouchoux, Y. Fuchs, & J. Rodriguez, (Center for Physics: Kolkata), p. 197.
• 2002, ``X-ray Jet Emission from the Black Hole X-ray Binary XTE J1550-564 with CHANDRA in 2000'' J. A. Tomsick, S. Corbel, R. P. Fender, J. M. Miller, J. A. Orosz, T. Tzioumis, R. Wijnands, & P. Kaaret, New Views on MICROQUASARS, the Fourth Microquasars Workshop, eds. P. Durouchoux, Y. Fuchs, & J. Rodriguez, (Center for Physics: Kolkata), p. 221.
• 1998, ``KPD 0422+5421: A new Short-Period sdB+WD Binary Star'', R. A. Wade, J. A. Orosz, & C. K. Koen, Unsolved Problems in Stellar Evolution (proceedings of the Space Telescope Science Institute Symposium, May 1998), ed. M. Livio (Baltimore: STScI), page 84.
• 1998, `` Parameters for the Soft X-ray Transient 4U 1543-47: Evidence for a Black Hole'', J. A. Orosz, R. K. Jain, C. D. Bailyn, J. E. McClintock, & R. A. Remillard, 8th Annual October Astrophysics Conference in Maryland, Accretion Processes in Astrophysical Systems: Some Like It Hot, eds. S. Holt, \& T. Kallman, American Institute of Physics.
• 1998, ``An Optical Precursor to the Recent Soft X-ray Outburst the Black Hole Binary GRO J1655-40'', J. A. Orosz, R. A. Remillard, C. D. Bailyn, & J. E. McClintock, Procceedings of the 13th North American Workshop on Cataclysmic Variables, eds. S. Howell, E. Kuulkers, & C. Woodward, ASP Conference Series.
• 1997, "Multifrequency Observations of the Galactic Microquasars GRS 1915+105 and GRO J1655-40", R. A. Remillard, E. H. Morgan, J. E. McClintock, C. D. Bailyn, J. A. Orosz, & J. Greiner, Proceedings of 18th Texas Symposium on Relativistic Astrophysics, Eds. A. Olinto, J. Frieman, and D. Schramm, World Scientific Press, (in press).
• 1990, ``A Solar Constant Model for Sun-Climate Studies: 1600-2000 A.D.'', K. A. Schatten & J. A. Orosz, Climate Impact of Solar Variability, NASA Conference Publication 3086, page 175.

4. Oral Presentations and Poster Papers:

• 2002, ``Revised parameters for the black hole binary 4U 1543-47'', J. A. Orosz, E. J. Polisensky, C. D. Bailyn, S. W. Tourtellotte, J. E. McClintock, & R. A. Remillard, American Astronomical Society Meeting, 201, 15.11---Poster Paper.
• 2002, ``An Improved Ephemeris for HD 209458b'', R. A. Wittenmyer, W. F. Welsh, & J. A. Orosz, American Astronomical Society Meeting, 201, 46.11---Poster Paper.
• 2002, ``Large-Scale, Decelerating, Relativistic X-Ray Jets from the Black Hole Binary XTE J1550-564'', J. A. Tomsick, S. Corbel, R. P. Fender, J. M. Miller, J. A. Orosz, A. K. Tzioumis, R. Wijnands, & P. Kaaret, American Astronomical Society Meeting, 201, 57.04---Oral Presentation.
• 2002, ''Evidence for Harmonic Relationships in the High Frequency QPOs of XTEJ 1550-564 and GROJ 1655-40'', R. A. Remillard, M. Muno, J. E. McClintock, & J. A. Orosz, American Physical Society Meeting, N17.076---Poster Paper.
• 2001, ''Hot Subdwarf Membership in Visual Binaries'', M. A. Stark, R. A. Wade, J. A. Orosz, & G. B. Berriman, American Astronomical Society Meeting, 199, 06.15---Poster Paper.
• 2000, ``A Black Hole in the Superluminal source SAX J1819.3-2525 (V4641 Sgr)'', J. A. Orosz, E. Kuulkers, M. van der Klis, J. E. McClintock, M. R. Garcia, P. J. Callanan, C. D. Bailyn, R. K. Jain, & R. A. Remillard, American Astronomical Society Meeting, 197, 83.20---Poster Paper.
• 2000, ``Optical Observations of the Orbital Period of the Black Hole Candidate XTE J1550-564 During Re-Flare and Quiescence'', R. K. Jain, C. D. Bailyn, J. A. Orosz, J. E. McClintock, G. J. Sobczak, & R. A. Remillard, American Astronomical Society Meeting, 196, 38.05---Poster Paper.
• 1999, ``High Frequency QPOs in Galactic Black Hole Binaries'', R. A. Remillard, E. H. Morgan, A. M. Levine, M. Muno, J. E. McClintock, G. J. Sobczak, J. A. Orosz, & C. D. Bailyn, American Astronomical Society, HEAD meeting, 31, 2808 (1999)---Poster Paper.
• 1999, ``Optical Monitoring of XTE J1550-56 and Aql X-1'', R. K. Jain, C. D. Bailyn, J. A. Orosz, J. E. McClintock, & R. A. Remillard, American Astronomical Society, HEAD meeting, 31, 1529 (1999)---Poster Paper.
• 1999, ``X-ray Nova XTE J1550-564: RXTE Spectral Observations'', G. J. Sobczak, J. E. McClintock, R. A. Remillard, A. M. Levine, E. H. Morgan, C. D. Bailyn, & J. A. Orosz, American Astronomical Society, HEAD meeting, 31, 1509 (1999)---Poster Paper.
• 1998, Ultraviolet Spectra of CV Accretion Disks with Non-steady T(r) Laws'', J. A. Orosz, & R. A. Wade, Bulletin of the American Astronomical Society, 30, 1405 (1998)---Poster Paper.
• 1998, X-ray and Optical Observations of the Black Hole Candidate XTE J1550-564'', R. K. Jain, C. D. Bailyn, J. A. Orosz, J. E. McClintock, G. J. Sobczak, R. A. Remillard, A. M. Levine, & E. H. Morgan, Bulletin of the American Astronomical Society, 30, 1313 (1998)---Poster Paper.
• 1998, ``KPD 0422+5421: A New Subdwarf B/White Dwarf Binary'', J. A. Orosz, R. A. Wade, & C. Koen, Bulletin of the American Astronomical Society, 30, 836 (1998)---Poster Paper.
• 1998, ``Hubble Space Telescope/WFPC2 Images of Four Nova Shells'', F. A. Ringwald, R. A. Wade, J. A. Orosz & R. Ciardullo, Bulletin of the American Astronomical Society, 30, 893 (1998)---Poster Paper.
• 1998, ``Spectrum Synthesis of Accretion Disks in Partial Eclipse'', R. A. Wade, & J. A. Orosz, Bulletin of the American Astronomical Society, 30, 823 (1998)---Poster Paper.
• 1997, ``Continued Investigations of the Galactic Microquasars with RXTE'', R. A. Remillard, E. Morgan, J. E. McClintock, C. Bailyn, & J. A. Orosz, Bulletin of the American Astronomical Society, 29, 1390 (1997)---Poster Paper.
• 1997, ``The Distribution of Black Hole Masses in X-ray Transients'', C. D. Bailyn, R. K. Jain, P. Coppi, & J. A. Orosz, Bulletin of the American Astronomical Society, 29, 791 (1997)---Poster Paper.
• 1996, ``A Search for Variable Radial Velocities Among the Ferguson-Green-Liebert Hot Subdwarf Composites in the PG Catalog'', R. A. Wade, J. J. B. Harlow, & J. A. Orosz, presented at the Third Conference on Faint Blue Stars, Schenectady, New York---Poster Paper.
• 1996, ``Optical Observations of Black Hole X-ray Novae'', J. A. Orosz, C. D. Bailyn, J. E. McClintock, & R. A. Remillard, Bulletin of the American Astronomical Society, 27, 1327 (1995)---Oral Presentation.
• 1995, ``Dynamical Evidence for a Black Hole in the Superluminal Source GRO J1655-40'', J. A. Orosz, C. D. Bailyn, J. E. McClintock, & R. A. Remillard, presented at the NATO ASI ``Evolutionary Processes in Binary Stars,'' Cambridge, United Kingdom, July 1995---Oral Presentation.
• 1995, ``Optical Observations of Black Hole Binaries: Improved Parameters for X-ray Nova Muscae 1991; Outburst Light Curves for X-ray Nova Vela 1993 and X-ray Nova Sco 1994'', J. A. Orosz, C. D. Bailyn, J. E. McClintock, & R. A. Remillard, Bulletin of the American Astronomical Society, 26, 1483 (1994)---Poster Paper.
• 1995, ``Evidence for Another Black Hole Binary: X-ray Nova Ophiuchi 1977'', R. A. Remillard, J. E. McClintock, J. A. Orosz, & C. D. Bailyn, Bulletin of the American Astronomical Society, 26, 1483 (1994)---Poster Paper.
• 1993, ``On the Mass Ratios of Black Hole Binaries'', J. A. Orosz, C. D. Bailyn, J. E. McClintock, & R. A. Remillard, presented at the AIP Conference ``The Evolution of X-ray Binaries,'' College Park, Maryland, October, 1993---Poster Paper.
• 1993, ``Further Analysis of Optical Spectra of the X-ray Nova Nova Muscae 1991 (=GS/GRS 1121-68)'', J. A. Orosz, C. D. Bailyn, R. A. Remillard, & J. E. McClintock, Bulletin of the American Astronomical Society, 24, 1236 (1992)---Poster Paper.
• 1989, ``Do Faculae Blanket Sunspots?'', K. H. Schatten, H. G. Mayr, & J. A. Orosz, Bulletin of the American Astronomical Society, 20, 988 (1988)---Poster Paper.

5. IAU Circulars, GCN Circulars, and Astronomer's Telegrams:

• 2002, ``Low Quiescent X-Ray and Radio Flux Levels from the Black Hole Transient V4641 Sgr'', J. A. Tomsick, M. P. Rupen, S. Corbel, V. Dhawan, R. Fender, P. Kaaret, E. Kuulkers, J. M. Miller, A. J. Mioduszewski, J. A. Orosz, T. Tzioumis, & R. Wijnands, ATel #105.
• 2001, ``Infrared Observations of the Neutron Star X-ray Transient KS 1731-260'', J. A. Orosz, C. D. Bailyn, & K. Whitman, ATel #75.
• 2001, ``Dynamical Evidence for a Black Hole in the Microquasar XTE J1550-564'', J. A. Orosz, M. van der Klis, J. E. McClintock, R. K. Jain, C. D. Bailyn, & R. A. Remillard, ATel #70.
• 2001, ``The spectroscopic mass ratio of the black hole binary XTE J1118+480'', J. A. Orosz, ATel #67.
• 2001, ``GRB 010222: Optical Observations'', J. A. Orosz, GCN #976.
• 2000, ``V1333 Aquilae'', R. Jain, C. Bailyn, P. Coppi, M. Garcia, A. Levine, J. Orosz, P. Lu, J. Espinoza, & D. Gonzalez, IAU Circular #7495.
• 2000, ``Mini-outburst of Aql X-1'', R. Jain, C. Bailyn, P. Coppi, M. Garcia, A. Levine, J. Orosz, P. Lu, J. Espinoza, & D. Gonzalez, ATel #59.
• 2000, ``V4641 Sagittarii'', J. A. Orosz, E. Kuulkers, M. van der Klis, J. E. McClintock, R. K. Jain, C. D. Bailyn, & R. A. Remillard, IAU Circular #7440.
• 2000, ``V1333 Aquilae'', R. Jain, C. Bailyn, P. Coppi, M. Garcia, A. Levine, J. Orosz, P. Lu, J. Espinoza, & D. Gonzalez, IAU Circular #7429.
• 2000, ``V1333 Aquilae'', R. Jain, C. Bailyn, P. Coppi, M. Garcia, A. Levine, J. Orosz, P. Lu, J. Espinoza, & D. Gonzalez, IAU Circular #7423.
• 1999, ``XTE J1550-564'', R. Jain, C. Bailyn, J. Greene, J. Orosz, J. McClintock, & R. A. Remillard, IAU Circular #7187.
• 1999, ``XTE J1550-564'', R. Remillard, E. Morgan, A. Levine, J. McClintock, G. Sobczak, C. Bailyn, R. Jain, & J. Orosz, IAU Circular #7123.
• 1999, ``XTE J1550-564'', R. Jain, C. Bailyn, J. McClintock, G. Sobczak, R. Remillard, & J. Orosz, IAU Circular #7114.
• 1998, ``GRB 981226 Optical Observations'', J. Rhoads, J. A. Orosz, J. Lee, & K. Stassun, GCN #181.
• 1998, ``XTE J1550-564'', J. McClintock, G. Sobczak, R. Remillard, E. Morgan, A. Levine, C. Bailyn, & J. Orosz, IAU Circular #7025.
• 1998, ``XTE J1550-564'', R. Jain, C. Bailyn, & J. Orosz, IAU Circular #7020.
• 1998, ``XTE J1550-564'', J. Orosz, C. Bailyn, & R. Jain, IAU Circular #7009.
• 1998, ``Corrected Coordinates for the Possible OC to XTE J1550-56'', J. Orosz, C. Bailyn, & R. Jain, ATel #35.
• 1998, ``A Possible Optical Counterpart to XTE J1550-564'', J. Orosz, C. Bailyn, & R. Jain, ATel #34.
• 1995, ``X-ray Nova 1994 in Scorpius'', J. Orosz, B. Schaefer, & S. Barnes, IAU Circular #6203.
• 1995, ``X-ray Nova 1994 in Scorpius'', C. Bailyn, J. Orosz, J. McClintock, & R. Remillard, IAU Circular #6173.
• 1994, ``GRO J0422+32'', J. Orosz & C. Bailyn, IAU Circular #6103.
• 1994, ``X-ray Nova in Scorpius'', R. Gonzales, D. Martins, C. Bailyn, & J. Orosz, IAU Circular #6080.
• 1994, ``X-ray Nova in Scorpius'', C. Bailyn, S. Jogee, & J. Orosz, IAU Circular #6060.
• 1994, ``X-ray Nova in Scorpius'', C. Bailyn, S. Jogee, & J. Orosz, IAU Circular #6050.
• 1994, ``GRS 1009-45'', J. Orosz, S. Barnes, & C. Bailyn, IAU Circular #5955.

FELLOWSHIPS AND AWARDS:

• 1998: Mount Wilson Fellowship, observing time and expenses
• 1998: AAS Small Research Grant, $2000.
• 1997: AAS Small Research Grant, $4808.
• 1997: Brouwer Prize, Yale University, $1000.
• 1995: ASI Travel Award, National Science Foundation, $1000.
• 1995: NATO Advanced Study Institute Award, Institute of Astronomy, University of Cambridge, 338 UK pounds.
• 1994: Enders Research Grant, Yale University, $400.
• 1989: Ohio University Graduate Fellowship, $1000.
• 1989: University of Northern Colorado Departmental Scholar, Outstanding Student in Mathematics, no funds.
• 1987: Littler Scholarship, University of Northern Colorado, $1500.
• 1986-1988: University of Northern Colorado Departmental Scholar, Outstanding Student in Physics, no funds.
• 1985-1988: Presidential Scholarship, University of Northern Colorado, $1000 per year.
• 1985-1987: Milne Scholarship, University of Northern Colorado, tuition and fees for two years.

OBSERVING EXPERIENCE:

7 nights at McDonald Observatory, using the 2.1 and 2.7 meter telescopes, (+LCS spectrograph and WHT camera), 1997-1998 fall trimesters; 3 nights at Mount Wilson Observatory, using the Adaptive Optics System on the Hooker 100 inch, 1998; 29 nights at Kitt Peak National Observatory, using the 0.9, 2.1 and 4.0 meter Telescopes (+CCD imager and RC spectrograph), 1993-1998; 59 nights at Cerro Tololo Interamerican Observatory, using the 0.9, 1.5, and 4.0 meter Telescopes (+CCD imagers and RC spectrographs), 1993-1997 spring semesters; 21 nights using the Isaac Newton Group telescopes on the Spanish Observatorio del Roque de los Muchachos of the Instituto de Astrofisica de Canarias, using the 1.0, 2.5, and 4.2 meter telescopes (+CCD imagers and RC spectrographs), 2000-2001; 7 nights at ESO's La Silla Observatory, using SUSI2 and EMMI, 2000, 2001; 8 half nights at ESO's Paranal Observatory, using the FORS1 on the VLT UT1, 2000, 2001.

TECHNICAL SKILLS:

Experience using optical spectrographs and CCD imagers on large telescopes at major observatories; knowledge of programming in FORTRAN, BASIC, and IDL; data reduction using IRAF.

PROFESSIONAL ACTIVITIES AND ASSOCIATIONS:

• Member of the American Astronomical Society
• Member of the Astronomical Society of the Pacific
• Referee for the Astrophysical Journal, the Astronomical Journal, Astronomy & Astrophysics, and the Monthly Notices of the Royal Astronomical Society
• Member of AXAF proposal review panel (March/April 1998)