CURRICULUM VITAE: DR RICHARD IGNACE

Address:	Physics, Astronomy, and Geology
	Box 70652
	East Tennesse State University
	Johnson City, TN 37614
Email:	ignace@etsu.edu
Web:	www.etsu.edu/physics/ignace/ignace.htm
Phone/Fax:	(423) 439-6904 / (423) 439-6905
Citizenship:	USA
Date of Birth:	7 May 1969
Family Status:	married, with six children

EDUCATION

Ph.D. in Astronomy, University of Wisconsin, 1996

M.S. in Physics, University of Wisconsin, 1994

M.S. in Astronomy, University of Wisconsin, 1993

B.S. in Astronomy, Indiana University, 1991

POSITIONS HELD

Aug 2003-present, Assistant Professor: East Tennessee State University

Jun 2005, Visiting Assistant Professor: University of Wisconsin

Sep 2002-Jul 2003, Assistant Scientist: University of Wisconsin

Aug 1999-Aug 2002, Visiting Assistant Professor: University of Iowa

Nov 1996-Aug 1999, Postdoctoral Research Assistant: University of Glasgow

ACITIVITES/SERVICE

Member of the American Astronomical Society and International Astronomical Union

Peer review referee for several major journals in astrophysics, including the ApJ, ApJ Letters, A&A, AJ, MNRAS, and Icarus

Member of selection committee for the ETSU Basler Chair of Excellence, 2005-06

Co-organizer for a mini-symposium on PROBING THE DISTANT UNIVERSE WITH GRAVITATIONAL WAVES (Nov 2005, http://www.astro.gla.ac.uk/users/martin/basler/workshop/gw_workshop.html)

Lead editor for the proceedings of THE NATURE AND EVOLUTION OF DISKS AROUND HOT STARS

Principal organizer for a workshop on THE NATURE AND EVOLUTION OF DISKS AROUND HOT STARS (Jul 2004, www.etsu.edu/physics/astronomy)

Co-author of the popular astronomy book UNDERSTANDING THE UNIVERSE (2002, Prinja & Ignace)

Occassional instructor for Kaplan MCAT Physics

AWARDS AND HONORS

Selected as the 2005 ETSU Basler Fellow

UNDERSTANDING THE UNIVERSE selected as a Science - Grades 7-12 Honor Book, 2003 Book Awards - Society of School Librarians International (SSLI)

Member of Phi Beta Kappa

Graduated with honors from Indiana University

Sauers Scholarship, Kilbourne Scholarship (undergraduate awards)

RESEARCH FUNDING AND OBSERVING TIME

2006, Suzaku (NASA) - ``X-ray Study of Hot Plasma in the Interacting Binary Beta Lyrae,'' Ignace (PI), Hamann, Hoffman, Oskinova, Waldron (funding pending)

2005, XMM-Newton (NASA) - ``New Sources of Hard X-rays from the Fastest Stellar Winds,'' Oskinova (PI), Ignace, Chu, Graefner, Feldmeier (funding pending)

2005, ETSU - Basler Fellowship ($10,000)

2004, Spitzer (NASA) - ``Determining Wolf Rayet Wind Structure from IRS Spectra,'' Cassinelli (PI), Lamers, Churchwell, Ignace ($22,000)

2004, NSF - ``A Workshop on The Nature and Evolution of Disks around Hot Stars,'' Ignace (PI), Bjorkman, Cassinelli, Gayley ($16,420)

2004, Tennessee Space Grant Consortium - ``Promoting Careers in Science: Connecting with Guidance Counselors,'' Ignace (PI), Henson ($2,475)

2003, Chandra-Theory (NASA) - ``The Clumpy Outflows of Hot Stars and Their X-ray Signatures,'' Cassinelli (PI), Lazarian, Cho, Ignace ($75,000)

2001, NSF, ``Circumstellar Magnetic Field Diagnostics from the Polarization of Line Scattering,'' Nordsieck (PI), Cassinelli, Ignace, Lazarian ($394,000)

2000, VLBA, ``Probing Shock Structure in the Wolf-Rayet Binaries WR146 and WR147,'' Mutel (PI), Ignace, Gayley

1999, NSF, ``Probing Circumstellar Envelopes with Gravitational Microlensing'', Ignace (PI), Bjorkman ($196,000)

1999, XMM-Newton (NASA), ``X-ray Emission from Single Wolf-Rayet Stars'', Ignace (PI), Brown, Oskinova ($32,600+$2,200 augmentation)

1998, PPARC, ``Reach for the Stars'', Hendry (PI), Barrett, Conway, Ignace - awarded under Small Awards Scheme for Projects in Public Understanding of Science

1996, ISO (NASA), ``The Velocity Structure of Wolf-Rayet Winds from Infrared Line and Continuum Observations'', Cassinelli (PI), Ignace (while grad student)

1994, ISO (NASA), ``The Velocity Structure of Wolf-Rayet Winds from Infrared Line and Continuum Observations'', Cassinelli (PI), Ignace (while grad student)

1994, ATP (NASA), ``Multi-Wavelength Diagnostics of Rotation and Non-Spherical Winds in the Wolf-Rayet Stars,'' Cassinelli (PI), Nordsieck, Wood, Ignace (while grad student)

RESEARCH EXPERIENCE

Theoretical

Radiative Transfer: Spectral diagnostics, wind emission lines, spectropolarimetry, line profile inversion

• Programming: C, Fortran, supermongo, unix utilities (e.g., awk), smattering of IRAF and HTML

Magnetic Fields: Line polarization diagnostics based on the Hanle effect and Zeeman effect

• Plan to propose as co-I for NSF funding in support of new spectropolarimetric modeling

Microlensing: As a probe of background sources through selective amplification

• Awarded NSF funding as PI in support of microlensing research

• Plan to propose as PI for NSF funding in support of new microlensing studies

Dynamics: Studies of winds from rotating stars, wind bow shock formation

• Awarded Chandra Theory proposal to model X-rays from clumpy stellar winds

Planets: substellar companions to white dwarf stars; the influence of red giant winds on planetary atmospheres

• Have submitted a proposal to NASA Planetary Atmospheres program as a co-I in support of these investigations

• Plan to propose as PI for NSF funding on this topic

Observational/Interpretational

X-ray Astronomy:

• Planning to propose to Suzaku to observe WR 1

• Recently proposed to XMM-Newton for observations $\beta$ Lyrae and a WO star

• Awarded Suzaku time to observe the binary $\beta$ Lyrae

• Awarded XMM-Newton time to observe single Wolf-Rayet stars

Ultraviolet Astronomy:

• Recently proposed for FUSE time to study B[e] stars in the LMC

• Interpreted HST GHRS P Cygni profiles of the rapidly rotating star HD93521

• Analyzed HST High Speed Photometer data for rapid variability of hot stars

Optical Astronomy:

• Involved with the Rigel robotic telescope survey for white dwarf eclipses (headed by Mutel at Iowa)

• Analyzed KPNO CCD data of Wolf-Rayet stars for stellar pulsations

• Observed and analyzed high speed photometry of B peculiar stars at Pine Bluff Observatory

Infrared Astronomy:

• Modeling of GLIMPSE data for interpreting Milky Way disk structure

• Awarded Spitzer time to study Wolf-Rayet stars

• Awarded and analyzed ISO observations of Wolf-Rayet stars

Radio Astronomy:

• Awarded VLBA time to probe shock structure in the binaries WR146 and WR147
  

TEACHING EXPERIENCE

Undergraduate Courses

East Tennessee State University

• Astronomy I: the solar system for non-science majors

• Astronomy II: stars and galaxies for non-science majors

• General Physics I: algebra/trig level course on classical mechanics and thermodynamics

• Physics Seminar: for majors; as the instructor, I was the departmental seminar organizer

University of Iowa

• Modern Astronomy: survey of astronomy for non-science majors

• Characteristics and Origins of the Solar System: for non-science majors

• General Astronomy: survey of astronomy for science majors

• College Physics: algebra/trig level course on mechanics and thermodynamics

Research Supervision

Undergraduate

• 1997, E Todd, Monte Carlo Radiative Transfer

• 1998, now Dr C Foullon, X-ray Properties of Wolf-Rayet Winds

• 1999, M Brookes, now a PhD student (U of Edinburgh), Metallicity Effects for Be Star Disks

• 2003, A Ogden-Nussbaum, X-ray Spectral Modeling of Stellar Winds

• 2003, M Vils, Microlensing of Large Stellar Sources

• 2005, A Brimeyer (SARA NSF REU student), Forbidden Line Profile Shapes from Axisymmetric Stellar Winds

Postdoctorate

• 2001 Sep - 2003 Jul, Dr H. M. Bryce, microlensing of extended sources

Public Understanding of Science

Co-author of Understanding the Universe, a popular book that presents an engaging introduction to contemporary astronomy (selected as Science - Grades 7-12 Honor Book, 2003 Book Awards - Society of School Librarians International)

Lecturer at adult evening classes and speaker at amateur astronomy societies

Participant in educating children using a transportable Starlab planetarium (U of Glasgow)

Participant in a junior high school mentoring program (U of Iowa)

Various community service efforts, including involvement with the Science Olympiad and being a judge for the Upper E. Tenn. Regional Science Fair

REFERENCES

1. Prof S. R. Spangler	2. Prof J. C. Brown
Dept of Physics and Astronomy	Astronomer Royal for Scotland
University of Iowa	Dept of Physics and Astronomy
203 Van Allen Hall	Kelvin Building, Univ Glasgow
Iowa City, IA 52242	Glasgow G12 8QQ
USA	Scotland, UK
319 335-1948	0141 330-5182
steven-spangler@uiowa.edu	john@astro.gla.ac.uk
3. Prof J. P. Cassinelli	4. Associate Prof D. G. Luttermoser
Dept of Astronomy	Dept of Physics, Astronomy, & Geology
University of Wisconsin	East Tennessee State University
5534 Sterling Hall, 475 N. Charter St.	Box 70652, ETSU
Madison, WI 53706-1582	Johnson City, TN 37614
USA	USA
608 263-4622	423 439-7064
joecas@astro.wisc.edu	lutter@etsu.edu
5. Associate Prof J. E. Bjorkman	6. Prof S. P. Owocki
Dept of Physics and Astronomy	Bartol Research Institute
University of Toledo	University of Delaware
Ritter Observatory 302	205 Sharp Laboratory
Toledo, OH 43606	Newark, DE 19716
USA	USA
419 530-8535	302 831-8357
jon@physics.utoledo.edu	owocki@bartol.udel.edu

COLLOQUIA/SEMINARS

``The Hanle Effect: A Novel Magnetic Diagnostic,'' East Tennessee State University (2006 Jan 24)

``Hunting for Jovians Around White Dwarf Stars,'' East Tennessee State University (2003 Nov 13)

``X-rays from Single Wolf-Rayet Stars,'' East Tennesse State U (2003 Jun 30)

``The Hunt for Low Mass Companions to White Dwarf Stars,'' Valparaiso U (2003 Apr 21)

``Probing Stellar Envelopes with Microlensing,'' East Tennesse State U (2003 Apr 8)

``Infrared Spectral Diagnostics for Wolf-Rayet Winds,'' University of Glasgow (2003 Apr 1)

``Hot Star Magnetic Fields,'' University of Wisconsin (2003 Feb 18)

``X-rays from Hot Stars,'' Michigan Technological University (2003 Jan 30)

``Microlensing as a Means for Imaging Distant Sources,'' University of Toledo (2002 Apr 24)

``The Hanle Effect as a Diagnostic of Stellar Magnetic Fields,'' Charleston College (2002 Apr 3)

``Hunting for Jovians Around the White Dwarf Stars,'' Indiana University at South Bend (2002 Mar 5)

``Invert Your Supernova,'' University of Wisconsin-Madison (2001 Nov 20)

``Hunting for Jovians Around the White Dwarf Stars,'' University of Glasgow (2001 Jul 31)

``Microlensing as a Tool for Studying Stellar Envelopes,'' Drake University (2001 Mar 28)

``X-ray Emission from Hot, Massive Stars,'' Mankato State University (2001 Mar 5)

PUBLIC LECTURES

Various short talks for Observatory Open Houses (ETSU Powell Observatory)

``Hunting for Jovians around White Dwarf Stars'' (Bays Mountain, TN)

``Hunting for Jovians around White Dwarf Stars'' (Walters State University)

``Understanding the Universe'' (University of Wisconsin Space Place)

``The Heavenly Host: Those Incredible Stars'' (Astronomical Club in Stirling, Scotland)

``The Most Outrageous Stellar Events!'' (Astronomical Club in Paisley, Scotland)

``Stellar Big Time!'' (Astronomical Club in Stirling, Scotland)

PUBLICATIONS

Books

1. Ignace and Gayley (eds). The Nature and Evolution of Disks around Hot Stars. 2005, proceedings of a workshop, ASP Conf. Ser. #337

2. Prinja and Ignace. Understanding the Universe. 2002, a popular astronomy book (London: Philips, www.philips-maps.co.uk) (US edition with Facts On File, www.factsonfile.com)

Refereed Journals

1. Ignace and Brimeyer. ``Models of Forbidden Line Emission Profiles from Axisymmetric Stellar Winds.'' 2005, Monthly Notices of the RAS, submitted

2. Hendry, Ignace, and Bryce. ``Microlensing of Circumstellar Envelopes III. Spherical Winds in Homologous Expansion.'' 2005, Astronomy & Astrophysics, accepted (astro-ph/0511551)

3. Ignace, Bjorkman, and Bryce. ``Variable Polarization from Spherical Circumstellar Envelopes during Caustic Crossing Events.'' 2006, Monthly Notices of the RAS, 366, 92

4. Benjamin, Churchwell, Babler, Indebetouw, Meade, Whitney, Watson, Wolfire, Wolff, Ignace, Bania, Bracker, Clemens, Chomiuk, Cohen, Dickey, Jackson, Kobulnicky, Mercer, Mathis, Stolovy, and Uzpen. ``First GLIMPSE Results on the Stellar Structure of the Galaxy.'' 2005, Astrophysical Journal Letters, 630, L149

5. Brown, Cassinelli, Li, Kholtygin, and Ignace. ``Optically Thick Clumps - Not the Solution to the Wolf-Rayet Wind Momentum Problem?'' 2004, Astronomy & Astrophysics, 426, 323

6. Ignace and Churchwell. ``Free-Free Spectral Energy Distributions of Hierarchically Clumped HII Regions.'' 2004, Astrophysical Journal, 610, 351

7. Ignace, Nordsieck, and Cassinelli. ``The Hanle Effect as a Diagnostic of Magnetic Fields in Stellar Envelopes IV. Application to Polarized P Cygni Wind Lines.'' 2004, Astrophysical Journal, 609, 1018

8. Ignace, Quigley, and Cassinelli. ``Constraints from Infrared Space Observatory Data on the Velocity Law and Clumpiness of WR 136.'' 2003, Astrophysical Journal, 596, 538

9. Ignace, Oskinova, and Brown. ``XMM-Newton Observations of the Nitrogen-Rich Wolf-Rayet Star WR 1.'' 2003, Astronomy & Astrophysics, 408, 353

10. Ignace and Gayley. ``The Zeeman Effect in the Sobolev Approximation: Applications to Spherical Stellar Winds.'' 2003, Monthly Notices of the RAS, 341, 179

11. Oskinova, Ignace, Hamann, Pollock, and Brown. ``The Conspicuous Absence of X-ray Emission from Carbon-Enriched Wolf-Rayet Stars.'' 2003, Astronomy & Astrophysics, 402, 755

12. Bryce, Ignace, and Hendry. ``Microlensing of Circumstellar Envelopes II. Emission Lines from Radial and Azimuthal Flow during Fold Caustic Crossings.'' 2003, Astronomy & Astrophysics, 401, 339

13. Simmons, Bjorkman, Ignace, and Coleman. ``Polarimetric Light Curves from Microlensing of Spherical Circumstellar Envelopes.'' 2002, Monthly Notices of the RAS, 336, 501

14. Ignace and Gayley. ``Profile Shapes for Optically Thick X-ray Emission Lines from Stellar Winds.'' 2002, Astrophysical Journal, 568, 954

15. Ignace. ``SED Signatures of Jovian Planets Around White Dwarf Stars.'' 2001, Publications of the Astronomical Society of the Pacific, 113, 1227

16. Gayley, Ignace, and Owocki. ``Line Forces in Keplerian Disks Around Hot Stars.'' 2001, Astrophysical Journal, 558, 802

17. Ignace, Cassinelli, Quigley, and Babler. ``Terminal Speeds and Ion Fractions from [CaIV] 3.207 $\mu$m in Three Single WN Stars '' 2001, Astrophysical Journal, 558, 771

18. Oskinova, Ignace, Brown, and Cassinelli. ``Modelling X-ray Variability in the Structured Atmospheres of Hot Stars.'' 2001, Astronomy & Astrophysics, 373, 1009

19. Ignace. ``Theoretical Profile Shapes for Optically Thin X-ray Emission Lines from Spherical Stellar Winds.'' 2001, Astrophysical Journal Letters, 549, L125

20. Ignace. ``The Hanle Effect as a Diagnostic of Magnetic Fields in Stellar Envelopes III. The Case of a Finite Star.'' 2001, Astrophysical Journal, 547, 393

21. Ignace. ``Resonance Line Scattering Polarization in Optically Thin Planar Equatorial Disks.'' 2000, Astronomy and Astrophysics, 363, 1106

22. Ignace, Oskinova, and Foullon. ``Exospheric Models for the X-ray Emission from Single Wolf-Rayet Stars.'' 2000, Monthly Notices of the Royal Astronomical Society, 318, 214

23. Ignace and Hendry. ``Analytic Inversion of Emission Lines of Arbitrary Optical Depth for the Structure of Supernova Ejecta.'' 2000, Astrophysical Journal Letters, 537, L131

24. Li, Brown, Ignace, Cassinelli, and Oskinova. ``Wolf-Rayet Wind Fine Structure and Optical Variability.'' 2000, Astronomy & Astrophysics, 357, 233

25. Brown, Ignace, and Cassinelli. ``Hot Star Polarimetric Variability and the Nature of Wind Inhomogeneities.'' 2000, Astronomy & Astrophysics, 356, 619

26. Ignace and Oskinova. ``An Explanation of Observed Trends in the X-ray Emission from Single Wolf-Rayet Stars.'' 1999, Astronomy & Astrophysics Letters, 348, L45

27. Al-Malki, Simmons, Ignace, Brown, and Clarke. ``Scattering Polarization due to Light Source Anisotropy I. Large Spherical Envelope.'' 1999, Astronomy & Astrophysics, 347, 919

28. Ignace and Hendry. ``Microlensing of Circumstellar Envelopes I. Simplified Considerations for Diagnosing Radial and Azimuthal Flow.'' 1999, Astronomy & Astrophysics, 341, 201

29. Ignace, Cassinelli, and Nordsieck. ``The Hanle Effect as a Diagnostic of Magnetic Fields in Stellar Envelopes II. Some Theoretical Results for Resolved Line Profiles.'' 1999, Astrophysical Journal, 520, 335

30. Ignace. ``Emission Line Profile Shapes from Anisotropic Scattering in Planar Equatorial Disks.'' 1998, Astronomy & Astrophysics, 337, 819

31. Ignace, Brown, Milne, and Cassinelli. ``Inference of Steady Stellar Wind $v(r)$ Laws from Optically Thin Emission Lines III. Inversion of total line intensity distributions.'' 1998, Astronomy & Astrophysics, 337, 223

32. Ignace, Cassinelli, and Bjorkman. ``WCFields: Magnetic Rotating Stellar Wind Models from Wind Compression Theory.'' 1998, Astrophysical Journal, 505, 910

33. Ignace. ``A Re-evaluation of Profile Shapes from Resonance Line Scattering in Spherical Stellar Winds.'' 1998, Astronomy and Astrophysics, 332, 686

34. Ignace, Brown, Richardson, and Cassinelli. ``Inference of Steady Stellar Wind $v(r)$ Laws from Optically Thin Emission Lines II. Occultation effects and the determination of intrinsic stellar properties.'' 1998, Astronomy & Astrophysics, 330, 253

35. Brown, Richardson, Cassinelli, and Ignace. ``Inference of Steady Stellar Wind $v(r)$ Laws from Optically Thin Emission Lines I. Idealised analysis for the profile of a single line'' 1997, Astronomy & Astrophysics, 325, 677

36. Ignace, Nordsieck, and Cassinelli. ``The Hanle Effect as a Diagnostic of Magnetic Fields in Stellar Envelopes I. Theoretical Results for Integrated Line Profiles.'' 1997, Astrophysical Journal, 486, 550

37. Ignace, Cassinelli, and Bjorkman. ``Equatorial Wind-Compression Effects Across the H-R Diagram.'' 1996, Astrophysical Journal, 459, 671

38. Bjorkman, Ignace, Cassinelli, and Tripp. ``Evidence for a Disk in the Wind of HD 93521: UV Line Profiles from an Axisymmetric Model.'' 1994, Astrophysical Journal, 435, 416

Miscellany of Note

1. Gayley, Ignace, and Owocki. ``Line Forces in Keplerian Circumstellar Disks and Precession of Nearly Circular Orbits''. 2002, an invited article appearing in the Be Star Newsletter, 35, 22

2. Ignace. Theoretical and Observational Consequences of Stellar Rotation and Magnetic Fields in Stellar Winds. 1996, Ph.D. Thesis, Univ Wisconsin

Conferences

(Invited or contributed talks)

1. Ignace, Bryce, Hendry. ``Microlensing Effects on Emission Lines from Homologously Expanding Winds.'' 2005, oral contribution at the 205th AAS meeting

2. Ignace. ``Discerning Circumstellar Magnetic Fields with the Hanle Effect.'' 2004, at Massive Stars: from Photosphere to $V_\infty$, a workshop to honor the career of Joseph P. Cassinelli

3. Ignace, Churchwell. ``Considerations of Clumpiness for the Free-Free Radio Spectra of Compact HII Regions.'' 2004, oral contribution at the 203rd AAS meeting

4. Ignace (invited). ``Issues in Modelling X-ray Line Profiles from Circumstellar Flows.'' 2003, at Structure in Hot Star Winds, workshop held at UCL

5. Ignace (invited). ``The Hanle Effect as a Diagnostic of Magnetic Fields.'' 2003, in Magnetic Fields in O, B and A Stars: Origin and Relation to Pulsation, Rotation and Mass Loss, (eds.) Balona, Henrichs, and Medupe, 28

6. Ignace, Oskinova, Pollock, Brown, Hamann. ``X-rays from Wolf-Rayet Stars.'' 2002, at the 201st AAS meeting

7. Oskinova, Brown, Cassinelli, and Ignace. ``What Do the Filling Factors of X-ray Emitting Material Tell Us?'' 2002, in Interacting Winds from Massive Stars, ASP Conf. v. 260, (eds.) A. Moffat and N. St.-Louis, 205

8. Ignace and Gayley. ``Theoretical X-ray Emission Line Profiles in Expanding Flows, and Application to the Wind of $\zeta$ Puppis.'' 2002, oral contribution at the 199th AAS meeting

9. Cassinelli, Nordsieck, and Ignace. ``Determination of Magnetic Fields in the Winds from Hot Stars Using the Hanle Effect.'' 2001, in Magnetic Fields across the Hertzsprung-Russell Diagram, ASP Conf. Ser. 248, (eds.) G. Mathys, S. Solanki, and D. Wickramasinghe, 409

10. Ignace. ``Polarization Light Curves from Microlensing of Extended Spherical Envelopes.'' 2001, oral contribution at the 198th AAS meeting

11. Bryce, Hendry, Ignace, Valls-Gabaud. ``Microlensing of Extended Sources.'' 2001, in Gravitational Lensing: Recent Progress and Future Goals, ASP Conf. Ser. #237, (eds.) T. G. Brainerd and C. S. Kochanek, 251

12. Gayley, Ignace, and Owocki. ``Radiative Forces in Be Disks: Precession of Nearly Circular Orbits.'' 2001, oral contribution at the 197th AAS meeting

13. Ignace. ``Status of the Hanle Effect for Stars.'' 2001, in Advanced Solar Polarimetry - Theory, Observation, and Instrumentation, ASP Conf. Ser. #236, (ed.) M. Sigwarth, 227

14. Ignace and Hendry. ``Analytic Inversion of Emission Lines of Arbitrary Optical Depth for the Structure of Supernova Ejecta.'' 2000, oral contribution at the 196th AAS meeting

15. Oskinova and Ignace. ``Variability of X-ray Emission from Inhomogeneous Hot Star Winds.'' 2000, in Thermal and Ionization Aspects of Flows from Hot stars, ASP Conf. Ser. 204, (eds.) H. Lamers and A. Sapar (San Francisco: ASP), 221

16. Ignace. ``Polarization from Be Disks with 1-Armed Density Waves.'' 2000, in The Be Phenomenon in Early-Type Stars, IAU Colloq. #175, (eds.) M. Smith, H. Henrichs, and J. Fabregat (San Francisco: ASP), 452

17. Ignace. ``Polarimetric Variability in Inhomogeneous Stellar Winds.'' 1999 Robert Cormack Bequest Meeting in Astronomy hosted by Glasgow Caledonian University, (organizer) B. Steves

18. Ignace. ``Imaging Circumstellar Envelopes with Microlensing.'' 1999, a one day meeting on Gravitational Microlensing hosted by The Royal Astronomical Society, (organizers) D. Valls-Gabaud and W. Sutherland

19. Brown, Ignace, and Piana. ``Inverse Spectropolarimetric Modeling of Hot Star Wind Structure and Variability.'' 1999, in Variable and Non-Spherical Stellar Winds in Luminous Stars, IAU Colloq # 169, (eds.) B. Wolf, O. Stahl, and A. Fullerton, 111

20. Ignace (invited). ``The Hanle Effect as a Probe of Stellar Magnetic Fields.'' 1998, in Cyclical Variability of Stellar Winds, (eds.) L. Kaper and A. Fullerton (Berlin: Springer), 224

21. Cassinelli and Ignace. ``Disks Around B[e] and LBV Stars.'' 1997, in Luminous Blue Variables: Massive Stars in Transition, (eds.) A. Nota and H. Lamers, ASP Conf. Series #120, 166

22. Ignace. ``Theoretical and Observational Consequences of Rotation and Magnetic Fields in Stellar Winds.'' 1996, oral contribution (dissertation) at the 188th AAS meeting

23. Cassinelli and Ignace. ``Wind Compression Effects in WR Winds, and the Hanle Effect as a Magnetic Field Diagnostic.'' 1996, in Wolf-Rayet Stars in the Framework of Stellar Evolution, 33rd Liege Int. Astroph. Coll., (eds.) J. M. Vreux et al., 531

24. Cassinelli, Ignace, and Bjorkman. ``Winds from Rotating Wolf-Rayet Stars: The Wind-Compressed Zone Model.'' 1995, in Wolf-Rayet Stars: Binaries, Colliding Winds, Evolution, IAU Symp. #163, (eds.) K. van der Hucht and P. Williams (Dordrecht: Kluwer), 191

(Poster presentations)

Ignace and Giroux. ``Photo-Evaporation of Planetary Companions to Massive Stars.'' 2005, The Nature and Evolution of Disks around Hot Stars, ASP Conf. Ser. #337, 241
Nordsieck and Ignace. ``Detecting Circumstellar Magnetic Fields using the Hanle Effect.'' 2004, Astronomical Polarimetry - Current Status and Future Directions
Vils and Ignace. ``Assessing the Influence of Finite Source Effects on Microlensing Light Curves for Non-Transit Events.'' 2004, 203rd meeting of the AAS
Bjorkman, Ignace, and Simmons. ``Gravitational Microlensing of Circumstellar Envelopes.'' 2002, 200th meeting of the AAS
Ignace, Cassinelli, Morris, and Brown. ``Using ISO to Probe the Acceleration of Wolf-Rayet Winds.'' 1998, in Cyclical Variability of Stellar Winds, (eds.) L. Kaper and A. Fullerton (Berlin: Springer)
Ignace, Cassinelli, and Nordsieck. `` Stellar Magnetic Diagnostic based on the Hanle Effect in Polarized Line Profiles.'' 1997, in Luminous Blue Variables: Massive Stars in Transition, (eds.) A. Nota and H. Lamers, ASP Conf. Series #120
Ignace, Cassinelli, and Nordsieck. ``The Hanle Effect as a Diagnostic of Magnetic Fields in Stellar Winds.'' 1995, the 187th meeting of the AAS
Ignace, Cassinelli, and Bjorkman. ``Equatorial Wind Compression Effects Across the HR-Diagram.'' 1995, the 186th meeting of the AAS
Ignace, Cassinelli, and Bjorkman. ``Mass-Loss Rates for eta Carinae as Affected by Equatorial Wind Compression.'' 1994, 185th meeting of the AAS
Ignace, Cassinelli, and Bjorkman. ``Disk Formation in Rotating Wolf-Rayet Stellar Winds.'' 1994, 184th meeting of the AAS
Bjorkman, Ignace, Tripp, and Cassinelli. ``Evidence for a Disk in the Wind of HD93521: UV Line Profiles from an Axisymmetric Model.'' 1994, 184th meeting of the AAS