PUBLICATIONS In preparation:
D. C. Gabuzda, E. A. Rastorgueva and K. Kellermann, "A Dense Series of 1-2 cm VLBI Observations of the Nearby BL Lac Object 1219+285," in preparation for Monthly Notices of the Royal Astronomical Society. D. C. Gabuzda, P.Smith and N. N. Garnich, "New Simultaneous Optical and VLBI Polarization Observations of Eight BL Lac Objects," in preparation for Monthly Notices of the Royal Astronomical Society. T. B. Pyatunina, N. A. Kudryavtseva, D. C. Gabuzda, S. G. Jorstad, M. F. Aller, H. D. Aller, and H. Teresranta, "Frequency-dependent Time Delays for Strong Outbursts in Selected Blazars from the Metsahovi and UMRAO Monitoring Databases. I," in preparation for Astronomy & Astrophysics. T. B. Pyatunina and D. C. Gabuzda, "Four-year Structural Evolution of the Blazar 1308+326," in preparation for Astronomy & Astrophysics. P. Charlot, D. C. Gabuzda, H. Sol, B. Degrange, and F. Piron, "Simultaneous VLBI and High-energy TeV Observations of the Gamma-ray Blazar Mkn421," in preparation for Astronomy & Astrophysics.Submitted:
A. B. Pushkarev, D. C. Gabuzda, Yu. N. Vetukhnovskaya, and V. E. Yakimov, "Spine-sheath Polarisation Strucures in Four AGN Jets," submitted to Monthly Notices of the Royal Astronomical Society. M. Lyutikov, V. I. Pariev, and D. C. Gabuzda, "Polarization and Structure of Relativistic Parsec-scale AGN Jets," submitted to Monthly Notices of the Royal Astronomical Society.2004:
D. C. Gabuzda, E. Murray, and P. Cronin, "Helical Magnetic Fields Associated with the Relativistic Jets of Four BL Lac Objects," Monthly Notices of the Royal Astronomical Society, Letters, 351, 89; astro-ph/0405394. D. V. Lal, P. Shastri, and D. Gabuzda, "Milliarcsecond-scale Radio Structure of a Matched Sample of Seyfert 1 and Seyfert 2 Galaxies," Astronomy \& Astrophysics, in press (2004). H. Zhang, D. C. Gabuzda, R. Nan, and C. Jin, "Parsec-Scale Rotation-Measure Distribution in the Quasar 3C147 at 8 GHz," Astronomy & Astrophysics, 415, 477 (2004). D. C. Gabuzda, "The jets of radio-loud AGN from subparsec to kiloparsec scales," in "Radio Astronomy at 70: from Karl Jansky to Microjansky", EDP Sciences EAS Astronomy Series, in press (2004). S. Croke, P. Charlot, D. C. Gabuzda, and H. Sol,"Multi-Frequency, Multi-Epoch VLBA Polarization Observations of Mrk501," Baltic Astronomy, in press (2004). D. C. Gabuzda, E. Murray and P. Cronin, "Evidence for Toroidal B Field Structures in BL Lac Objects," Baltic Astronomy, in press (2004). D. C. Gabuzda and V. M. Vitrishchak, "Parsec-Scale Circular Polarization Measurements of BL Lac Objects," Baltic Astronomy, in press (2004). E. A. Rastorgueva, D. C. Gabuzda and P. A. Smith, "Links Between the Optical and Radio Polarization of AGN," Baltic Astronomy, in press (2004). S. Croke, P. Charlot, D. C. Gabuzda, and H. Sol, "Multi-Frequency, Multi-Epoch VLBA Polarization Observations of Mrk501," in "Future Directions in High Resolution Astronomy: A Celebration of the 10th Anniversary of the VLBA", ASP Conf. Ser., in press (2004). D. C. Gabuzda and E. Murray,"In Search of Evidence for Toroidal B Fields Associated with the Jets of AGN," in "Future Directions in High Resolution Astronomy: A Celebration of the 10th Anniversary of the VLBA", ASP Conf. Ser., in press (2004). D. C. Gabuzda and V. M. Vitrishchak,"Parsec-Scale Circular Polarization Measurements of BL Lac Objects," in "Future Directions in High Resolution Astronomy: A Celebration of the 10th Anniversary of the VLBA", ASP Conf. Ser., in press (2004). D. C. Gabuzda and A. Golden, "A Radio Telescope for Ireland," in "Future Directions in High Resolution Astronomy: A Celebration of the 10th Anniversary of the VLBA", ASP Conf. Ser., in press (2004). E. Middelberg, A. L. Roy, U. Bach, D. C. Gabuzda, and T. Beckert, "Where has all the Polarization Gone?," in "Future Directions in High Resolution Astronomy: A Celebration of the 10th Anniversary of the VLBA", ASP Conf. Ser., in press (2004). T. B. Pyatunina, D. C. Gabuzda, S. G. Jorstadt, M. F. Aller, H. D. Aller, and H. Terasranta, "Multi-frequency Polarization Imaging of Blazars with Cyclic Activity," in "Future Directions in High Resolution Astronomy: A Celebration of the 10th Anniversary of the VLBA", ASP Conf. Ser., in press (2004). T. B. Pyatunina, N. A. Kudryavtseva, D. C. Gabuzda, S. G. Jorstadt, M. F. Aller, H. D. Aller, and H. Terasranta, "Analysis of Strong Outbursts in Selected Blazars from the Metsahovi and UMRAO Monitoring Databases," in "Future Directions in High Resolution Astronomy: A Celebration of the 10th Anniversary of the VLBA", ASP Conf. Ser., in press (2004).2003:
T. A. Rector, D. C. Gabuzda and J. T. Stocke, "The Radio Structure of High-Energy Peaked BL Lacertae Objects," Astronomical Journal, 125, 1060 (2003). D. C. Gabuzda and V. A. Chernetskii, "Parsec-scale Faraday Rotation Distribution in the BL Lac Object 1803+784," Monthly Notices of the Royal Astronomical Society, 339, 669 (2003). D. C. Gabuzda and T. V. Cawthorne, "The Parsec-scale Radio Jet of BL Lac", Monthly Notices of the Royal Astronomical Society, 338, 312 (2003). D. C. Gabuzda, "What We've Learned from VSOP Polarization Observations," in "Radio Astronomy at the Fringe", Eds. J. A. Zensus, M. H. Cohen and E. Ros, ASP Conf. Ser. {\bf 300}, p. 57 (2003). D. C. Gabuzda, "The Nature of Compact Parsec-Scale Knots in AGN: Clues from their Polarisation Properties," New Astronomy Reviews, 47, 599 (2003). P. Kharb, D. C. Gabuzda, W. Alef, E. Preuss, and P. Shastri, "Magnetic Field Geometry of the Broad Line Radio Galaxy 3C111," New Astronomy Reviews, 47, 621 (2003). P. Kharb, P. Shastri and D. C. Gabuzda, "A Parsec-Scale Study of Radio Galaxies and BL Lac Objects," New Astronomy Reviews, 47, 431 (2003). C. Reynolds, T. V. Cawthorne, D. C. Gabuzda, "Kinematics of the pc-scale jet in BL Lac", New Astrononomy Reviews, 47, 641 (2003). D. C. Gabuzda, "VLBI Polarisation Properties of a Complete Sample of Radio-Loud BL Lacs," Astrophysics & Space Science, 288, 39 (2003). P. Shastri, P. K. Kharb and D. C. Gabuzda, "Magnetic Fields in Red and Blue BL Lacs," Astrophysics & Space Science, 288, 51 (2003). D. C. Gabuzda, "VSOP Polarisation Images of Three BL Lac Objects," in "High Energy Blazar Astronomy", Eds. L. O. Takalo and E. Valtaoja, ASP Conf. Ser. 299, p. 99 (2003). D. C. Gabuzda and E. A. Rastorgueva, "Rapid Evolution of the Parsec Scale Structure of the BL Lac Object 1219+285," in "High Energy Blazar Astronomy", Eds. L. O. Takalo and E. Valtaoja, ASP Conf. Ser. 299, p. 105 (2003). T. B. Pyatunina, I. A. Rachimov, A. A. Zborovskii, D. C. Gabuzda S. G. Jorstad, H. Terasranta, M. F. Aller, and H. D. Aller, "Quasi-periodic Activity in the Blazar 0059+581," in "High Energy Blazar Astronomy", Eds. L. O. Takalo and E. Valtaoja, ASP Conf. Ser. 299, p. 89 (2003). P. Shastri, D. Vir Lal and D. C. Gabuzda, "Jets in Seyfert Galaxies," in "Active Galactic Nuclei: from Central Engine to Host Galaxy", Eds. S. Collin, F. Combes and I. Shlosman, ASP Conf. Ser. 290, p. 311 (2003). P. Charlot, D. C. Gabuzda, H. Sol, B. Degrange and F. Piron, "Simultaneous VLBI and High-Energy TeV Observations of the Gamma-ray Blazar Mkn421," in "Active Galactic Nuclei: from Central Engine to Host Galaxy", Eds. S. Collin, F. Combes and I. Shlosman, ASP Conf. Ser. 290, p. 329 (2003).2002:
D. C. Gabuzda, "Polarization Characteristics and Variability of the Compact Radio Structures of AGN," Publications of the Astronomical Society of Australia, 19, 147 (2002). D. C. Gabuzda, "New VSOP Polarisation Images of BL Lac Objects," in "Proc. of the 6th European VLBI Network Symposium", Eds. Ros, Porcas, Lobanov and Zensus (MPIfR, Bonn, Germany) p. 83 (2002). D. C. Gabuzda and I. N. Pashchenko, "Evidence for Non-Uniform Parsec-Scale Faraday Rotation in 2007+777," in "Proc. of the 6th European VLBI Network Symposium", Eds. Ros, Porcas, Lobanov and Zensus (MPIfR, Bonn, Germany), p. 87 (2002). I. Agudo, J. L. G'omez, D. C. Gabuzda, A. Alberdi, A. P. Marscher and S. G. Jorstad, "Multi-frequency VLBI Observations of the BL Lac Object 0735+178," in "Proc. of the 6th European VLBI Network Symposium", Eds. Ros, Porcas, Lobanov and Zensus (MPIfR, Bonn, Germany), p. 115 (2002). S. Frey, L. I. Gurvits, D. C. Gabuzda, C. J. Salter, D. R. Altschuler, et al., "Space VLBI Monitoring of AO 0235+164," in "Proc. of the 6th European VLBI Network Symposium", Eds. Ros, Porcas, Lobanov and Zensus (MPIfR, Bonn, Germany), p. 91 (2002). D. C. Gabuzda and A. B. Pushkarev, "Evidence for Helical Magnetic Fields in the Jets of BL Lacertae Objects," in "Particles and Fields in Radio Galaxies", Eds. R. Laing and K. Blundell, ASP Conf. Ser. 250, p. 180 (2002). A. B. Pushkarev and D. C. Gabuzda, "Evidence for Interaction with a Surrounding Medium in Several BL Lacertae Objects," in "Particles and Fields in Radio Galaxies", Eds. R. Laing and K. Blundell, ASP Conf. Ser. 250, p. 200 (2002). D. V. Lal, P. Shastri, and D. C. Gabuzda, "Parsec-Scale Radio Morphology in Seyfert Galaxies," in "Particles and Fields in Radio Galaxies", Eds. R. Laing and K. Blundell, ASP Conf. Ser. 250, p. 191 (2002).2001:
D. C. Gabuzda, "The VLBI Jets of BL Lac Objects," in "AGN in their Cosmic Environment", Ed. B. Rocca-Volmerange and H. Sol (Les Ulis: EDP Sciences), p. 89 (2001). D. C. Gabuzda, J.-L. Gomez, and I. Agudo, "Evidence for Parsec-Scale Absorption from VSOP Observations of the BL Lacertae Object 0735+178," Monthly Notices of the Royal Astronomical Society, 328, 719 (2001). J.-L. Gomez, J. C. Guirado, I. Agudo, A. P. Marscher, A. Alberdi, J. Marcaide and D. C. Gabuzda, "Changes in the trajectory of the radio jet in 0735+178," Monthly Notices of the Royal Astronomical Society, 328, 873 (2001). C. R. Reynolds, T. V. Cawthorne, and D. C. Gabuzda, "Faraday Rotation in the Core of BL Lacertae," Monthly Notices of the Royal Astronomical Society, 327, 1071. D. C. Gabuzda, A. B. Pushkarev, and N. N. Garnich, "Unusual Radio Properties of the BL Lac Object 0820+225," Monthly Notices of the Royal Astronomical Society, 327, 1 (2001). J. M. Hutchison, T. V. Cawthorne, and D. C. Gabuzda, "Parsec-scale polarization of the jet in quasar 4C71.07", Monthly Notices of the Royal Astronomical Society, 321, 525 (2001). D. C. Gabuzda and J.-L. Gomez, "VSOP Polarization Observations of the BL Lacertae Object OJ287", Monthly Notices of the Royal Astronomical Society, 320, L49 (2001). D. C. Gabuzda and J. L. Gomez, "The Compact Magnetic Field Structures of AGN from Space VLBI Polarization Observations," in "IAU Symposium 205: Galaxies and Their Constituents at the Highest Angular Resolution", Ed. R. T. Schilizzi, S. N. Vogel, F. Paresce, & M. S. Elvis (San Francisco: ASP), p. 134 (2001). A. B. Pushkarev, D. C. Gabuzda, and T. V. Cawthorne, "Frequency Dependence of the Parsec-Scale Polarization Structures of BL Lacertae Objects," in " IAU Symposium 205: Galaxies and Their Constituents at the Highest Angular Resolution", Ed. R. T. Schilizzi, S. N. Vogel, F. Paresce, & M. S. Elvis (San Francisco: ASP), p. 140 (2001).2000:
D. C. Gabuzda, A. B. Pushkarev, and T. V. Cawthorne, "Analysis of 6cm VLBI Polarization Observations of a Complete Sample of Northern BL Lacertae Objects", Monthly Notices of the Royal Astronomical Society, 319, 1109 (2000). D. C. Gabuzda, P. Yu. Kochenov, and T. V. Cawthorne, "Seredipitious VLBI Observations of Polarization Intraday Variability in Three BL Lacertae Objects", Monthly Notices of the Royal Astronomical Society, 319, 1125 (2000). D. C. Gabuzda and T. V. Cawthorne, "VLBI Polarization Images of Eight Compact AGN at 1.3cm", Monthly Notices of the Royal Astronomical Society, 319, 1056 (2000). A. Kemball, C. Flatters, D. Gabuzda, G. Moellenbrock, P. Edwards, E. Fomalont, H. Hirabayashi, S. Horiuchi, M. Inoue, H. Kobayashi, and Y. Murata, "VSOP Polarization Observing at 1.6 GHz and 5 GHz," Publications of the Astronomy Society of Japan, 52, 1055 (2000). R. D. Nan, H. Y. Zhang, D. C. Gabuzda, J. S. Ping, R. T. Schilizzi, W. W. Tian, and M. Inoue, "High Rotation Measure in the Steep Spectrum Quasar 3C147," Astronomy & Astrophysics, 357, 891 (2000). D. V. Lal, P. Shastri, and D. C. Gabuzda, "Seyferts at Milliarcsecond Scales," Bulletin of the Astronomical Society of India, 28, 403 (2000). D. C. Gabuzda, P. Yu. Kochenov, R. I. Kollgaard, and T. V. Cawthorne, "VLBI and VLA Observations of Intraday Polarization Variability in 0917+624 and 0954+658", Monthly Notices of the Royal Astronomical Society, 315, 229 (2000). D. C. Gabuzda, P. Yu. Kochenov, T. V. Cawthorne, and R. I. Kollgaaard, "Intraday Polarization Variability Outside the VLBI core of the Active Galactic Nucleus 0716+714", Monthly Notices of the Royal Astronomical Society, 313, 627 (2000). D. C. Gabuzda, "Polarization Measurements in VLBI: Recent Results," in "Proceedings of the Fifth EVN Symposium", Eds. J. Conway, A. Polatidis, and R. Booth (Gothenburg: Onsala Space Observatory, Chalmers Technical University, 2000), p. 53. D. C. Gabuzda, N. N. Garnich, and A. B. Pushkarev, "Global Observations of the Unique BL Lac Object 0820+225,"in "Proceedings of the Fifth EVN Symposium", Eds. J. Conway, A. Polatidis, and R. Booth (Gothenburg: Onsala Space Observatory, Chalmers Technical University, 2000), p. 71. A. B. Pushkarev and D. C. Gabuzda, "Transverse Magnetic Field Structures in BL Lacertae Objects," in "Proceedings of the Fifth EVN Symposium", Eds. J. Conway, A. Polatidis, and R. Booth (Gothenburg: Onsala Space Observatory, Chalmers Technical University, 2000), p. 63. I. Agudo, J. L. Gomez, D. C. Gabuzda, J. C. Guirado, A. Alberdi, A. P. Marscher, M. A. Aloy, and J. M. Marti, "Polarimetric VLBI Observations of 0735+178," in "Proceedings of the Fifth EVN Symposium", Eds. J. Conway, A. Polatidis, and R. Booth (Gothenburg: Onsala Space Observatory, Chalmers Technical University, 2000), p 67. D. C. Gabuzda, "Multi-frequency VSOP Polarization Observations of the BL Lacertae Object 1803+784," in "Astrophysical Phenomena Revealed by Space VLBI" (Tokyo: ISAS), p. 121 (2000).1999:
R. D. Nan, H.-Y. Zhang, D. C. Gabuzda, and M. Inoue, "VLBI Polarimetry Observation of the BL Lacertae Object 0300+470," Publications of the Astronomical Society of Japan, 51, 955 (1999). D. C. Gabuzda, A. B. Pushkarev, and T. V. Cawthorne, "The 6cm VLBI Polarization Structure of Nine BL Lacertae Objects", Monthly Notices of the Royal Astronomical Society, 307, 725 (1999). D. C. Gabuzda, "VSOP Observations of the Compact BL Lac Object 1803+784," New Astronomy Reviews, 43, 691 (1999). A. B. Pushkarev and D. C. Gabuzda, "Global VLBI Polarisation Observations of BL Lacertae Objects," New Astronomy Reviews, 43, 695 (1999). J.-L. Gomez, A. P. Marscher, A. Alberdi, and D. C. Gabuzda, "The Twisted Parsec-Scale Structure of 0735+178," Astrophysical Journal, 519, 642 (1999). R. Nan, D. C. Gabuzda, S. Kameno, R. T. Schilizzi, and M. Inoue, "VLBI Polarimetry of the High Rotation Measure Source 3C119 at 8.4 GHz," Astronomy and Astrophysics, 344, 402 (1999). D. C. Gabuzda, A. J. Mioduszewski, J. F. C. Wardle, and D. H. Roberts, "The VLBI Polarization Structure of 3C345 at 2.8 cm", Monthly Notices of the Royal Astronomical Society, 303, 515 (1999). J.-F. Lestrade, R. A. Preston, D. L. Jones, R. B. Phillips, A. E. E. Rogers, M. A. Titus, M. J. Rioja, and D. C. Gabuzda, "High-precision VLBI astrometry of radio-emitting stars," Astronomy and Astrophysics, 344, 1014L (1999). D. C. Gabuzda, "The Magnetic Field Structure of Parsec-Scale Jets: Shocks, Turbulence, and the Surrounding Medium", in "Plasma Turbulence and Energetic Particles in Astrophysics" (Krakow: Obserwatorium Astronomiczne, Uniwersytet Jagiellonski), p. 301 (1999). D. C. Gabuzda, P. Yu. Kochenov, and T. V. Cawthorne, "Rapid Polarization Variability in 0716+714 far from the VLBI Core," in "The BL Lac Phenomenon", Astronomical Society of the Pacific Conference Series, 159, 447 (1999). P. Yu. Kochenov and D. C. Gabuzda, "New Observations of Intraday Variable Sources," in "The BL Lac Phenomenon", Astronomical Society of the Pacific Conference Series, 159, 460 (1999). A. B. Pushkarev and D. C. Gabuzda, "Second Epoch VLBI Observations of Sources from a Complete Sample of BL Lac Objects," in "The BL Lac Phenomenon", Astronomical Society of the Pacific Conference Series, 159, 458 (1999).1998:
D. C. Gabuzda, Yu. Yu. Kovalev, T. P. Krichbaum, W. Alef, A. Kraus, A. Witzel, and A. Quirrenbach, "VLBI polarization observations of the rapidly variable BL Lacertae object 0716+714", Astronomy and Astrophysics, 333, 445 (1998). M. Peracaula, D. C. Gabuzda, and A. R. Taylor, "Rapid Expansion in the VLBI Structure of LSI 61303", Astronomy and Astrophysics, 330, p. 612 (1998). P. Charlot, D. C. Gabuzda, H. Sol, B. Degrange, and E. Pare, "VLBI Polarization Observations of Mrk421 Coordinated with TeV Monitoring by CAT," in "Abstracts of the 19th Texas Symposium on Relativistic Astrophysics and Cosmology", Eds. J. Paul, T. Montmerle, and E. Aubourg (Saclay: CEA, 1998). D. C. Gabuzda, P. Yu. Kochanev, and R. I. Kollgaard, "VLBI Observations of Intraday Variability", in "IAU Colloquium 164: Radio Emission from Galactic and Extragalactic Compact Sources", Astronomical Society of the Pacific Conference Series, 144, p. 265 (1998). P. Yu. Kochanev and D. C. Gabuzda, "Serendipitious Observations of Intraday Variability in the BL Lac Objects 1334-127, 2131-021, and 2155-152", in "IAU Colloquium 164: Radio Emission from Galactic and Extragalactic Compact Sources", Astronomical Society of the Pacific Conference Series, 144, p. 273 (1998). Yu. Yu. Kovalev and D. C. Gabuzda, "A Multifrequency VLBI Total Intensity and Polarization Study of the BL Lacertae Object 0716+714", in "IAU Colloquium 164: Radio Emission from Galactic and Extragalactic Compact Sources", Astronomical Society of the Pacific Conference Series, 144, p. 173 (1998). A. B. Pushkarev and D. C. Gabuzda, "Polarization VLBI Observations of a Complete Sample of Northern BL Lac Objects", in "IAU Colloquium 164: Radio Emission from Galactic and Extragalactic Compact Sources", Astronomical Society of the Pacific Conference Series, 144, p. 165 (1998). W. Alef, E. Preuss, K. I. Kellermann, and D. C. Gabuzda, "3.6cm/7mm VLBI Observations of 3C111", in "IAU Colloquium 164: Radio Emission from Galactic and Extragalactic Compact Sources", Astronomical Society of the Pacific Conference Series, 144, p. 129 (1998). J.-F. Lestrade, R. A. Preston, D. L. Jones, A. E. E. Rogers, R. B. Phillips, M. A. Titus, M. Rioja, D. C. Gabuzda, J. C. Guirado, J. E. Reynolds, and D. L. Jauncey, "The Final Link of the VLBI and Hipparcos Reference Frames by Phase-Referenced VLBI Observations of 12 Non-thermal Radio-emitting Stars", in "IAU Colloquium 164: Radio Emission from Galactic and Extragalactic Compact Sources", Astronomical Society of the Pacific Conference Series, 144, p. 381 (1998).1997:
D. C. Gabuzda and P. Yu. Kochanev, "VLBI Polarization Observations of Intraday Variability", Vistas in Astronomy, 41, p. 219 (1997). M. Massi, M. Rioja, D. Gabuzda, K. Leppanen, H. Sanghera, K. Ruf, and L. Moscadelli, "Non-closing Errors in EVN Data", Vistas in Astronomy, 41, p. 287 (1997). M. Massi, M. Rioja, D. Gabuzda, K. Leppanen, H. Sanghera, K. Ruf, and L. Moscadelli, "Baseline Errors in European VLBI Network Measurements. III. The Dominant Effect of Instrumental Polarization", Astronomy and Astrophysics, 318, L32 (1997). D. C. Gabuzda, "The Parsec-Scale Total Intensity and Polarization Structure of Relativistic Jets in AGN", "Relativistic Jets in AGNs" (Krakow: Poligrafia Inspektoratu Towarzystwa Salezjanskiego), p. 30 (1997).1996:
D. C. Gabuzda, M. L. Sitko, and P. S. Smith, "Correlations Between the VLBI and Optical Polarization of BL Lacertae Objects", Astronomical Journal, 112, 1877 (1996). D. C. Gabuzda and T. V. Cawthorne, "The Parsec-scale Polarization Structure of Nine BL Lacertae Objects at 3.6cm," Monthly Notices of the Royal Astronomical Society, 283, 759 (1996). R. I. Kollgaard, D. C. Gabuzda, and E. D. Feigelson, "Parsec-Scale Radio Structure of Five X-ray Selected BL~Lacertae objects", Astrophysical Journal, 460, 174 (1996). T. V. Cawthorne and D. C. Gabuzda, "Milliarcsecond-Scale Polarization Structure in the Quasars 3C279 and 3C454.3", Monthly Notices of the Royal Astronomical Society, 278, 861 (1996). D. C. Gabuzda, "New Results from VLBI Polarization Observations of BL Lacertae Objects", in "IAU Symposium 175: Extragalactic Radio Sources" (Boston: Kluwer), p. 49 (1996). D. C. Gabuzda, P. Yu. Kochanev, M. L. Sitko, and P. S. Smith, "Nearly Simultaneous Optical and VLBI Polarization Observations of BL Lacertae Objects", in "IAU Symposium 175: Extragalactic Radio Sources" (Boston: Kluwer), p. 242 (1996). D. C. Gabuzda, A. B. Pushkarev, and T. V. Cawthorne, "3.6cm VLBI Total Intensity and Polarization Images of BL Lacertae Objects", in "IAU Symposium 175: Extragalactic Radio Sources" (Boston: Kluwer), p. 51 (1996).1995:
D. C. Gabuzda, "Possible Links Between BL Lacertae Objects and Quasars from VLBI Data," Proceedings of the National Academy of Sciences, No. 5, p. 11393 (1995). D. C. Gabuzda, "Relativistic Motion in the Nuclei of Galaxies in a General Physics Course" [in Russian], Journal of the Moscow Physical Society, Series B, 1, 57 (1995).1994:
D. C. Gabuzda, J. F. C. Wardle, D. H. Roberts, M. F. Aller, and H. D. Aller, "Unusual Evolution in the VLBI Structure of 0735+178,", Astrophysical Journal, 435, 128 (1994). D. C. Gabuzda, C. M. Mullan, T. V. Cawthorne, J. F. C. Wardle, and D. H. Roberts, "Evolution of the Milliarcsecond Total Intensity and Polarization Structures of BL Lacertae Objects," Astrophysical Journal, 435, 140 (1994). D. C. Gabuzda and M. L. Sitko, "Nearly Simultaneous VLBI and Optical Polarimetry of Blazars," Astronomical Journal, 107, 884 (1994). D. C. Gabuzda, "An Introduction to mm VLBI," in "Third McMaster Graduate Student Astronomy Workshop: Observing Techniques at Millimetre and Submillimetre Wavelengths" (1994). D. C. Gabuzda, "Unexpected Recent Results from VLBI Polarimetry," in Proceedings of "Compact Extragalactic Radio Sources", a workshop held in Socorro, New Mexico, February 1994. D. C. Gabuzda and M. L. Sitko, "Optical and VLBI Polarization Measurements of AGN," in "IAU Symposium 159: Multi-wavelength Continuum Emission of AGN", Ed. T.J.-L. Courvoisier and A. Blecha (Dordrecht: Kluwer), p. 469 (1994).1993:
T. V. Cawthorne, J. F. C. Wardle, D. H. Roberts, D. C. Gabuzda, and L. F. Brown, "Milliarcsecond Polarization Structure of 24 Objects from the Pearson-Readhead Sample of Bright Extragalactic Radio Sources. I. The Images," Astrophysical Journal, 416, 496 (1993). T. V. Cawthorne, J. F. C. Wardle, D. H. Roberts, and D. C. Gabuzda, "Milliarcsecond Polarization Structure of 24 Objects from the Pearson-Readhead Sample of Bright Extragalactic Radio Sources. II. Discussion," Astrophysical Journal, 416, 519 (1993). D. C. Gabuzda, R. I. Kollgaard, D. H. Roberts, and J. F. C. Wardle, "Is 1308+326 a BL Lacertae Object or a Quasar?," The Astrophysical Journal, 410, 39 (1993). D. C. Gabuzda, "The Charge Densities in a Current-Carrying Wire," American Journal of Physics, 61, 360 (1993). R. I. Kollgaard, E. D. Feigelson, D. C. Gabuzda, R. M. Sambruna, and C. M. Urry, "X-Rays and Relativistic Beaming in Radio-Selected BL Lacertae Objects," in Proceedings of the First ROSAT Science Symposium and Data Analysis Workshop, p. 420 (1993). D. C. Gabuzda and A. R. Taylor, "Space VLBI Polarization Observations," in "VLBI Technology: Progress and Future Observational Possibilities", Sasao, T., Manabe, S., Kameya, O., and Inoue, M., Eds. (Tokyo: Terra Scientific Pub.) (1993). T. V. Cawthorne, J. F. C. Wardle, D. H. Roberts, and D. C. Gabuzda, "The Results of a Study of the Milliarcsecond Linear Polarization Properties of Extragalactic Sources," in "Subarcsecond Radio Astronomy", Ed. R. J. Davis and R. S. Booth (Cambridge: Cambridge University Press), p. 209 (1993). D. C. Gabuzda and T. V. Cawthorne, "3.6cm VLBI Polarization Observations of BL Lacertae Objects," in "Subarcsecond Radio Astronomy", Ed. R. J. Davis and R. S. Booth (Cambridge: Cambridge University Press), p. 211 (1993). D. C. Gabuzda and R. I. Kollgaard, "Is the BL Lacertae Object 1308+326 a Microlensed Quasar?," in "Subarcsecond Radio Astronomy", Ed. R. J. Davis and R. S. Booth (Cambridge: Cambridge University Press), p. 148 (1993). J.-F. Lestrade, R. B. Phillips, D. L. Jones, R. A. Preston, and D. C. Gabuzda, "High-Precision VLBI Trigonometric Parallaxes of Three Radio-Emitting Stars," in "Subarcsecond Radio Astronomy", Ed. R. J. Davis and R. S. Booth (Cambridge: Cambridge University Press), p. 415 (1993).1992:
R. I. Kollgaard, J. F. C. Wardle, D. H. Roberts, and D. C. Gabuzda, "The Arcsecond Radio Structure of BL Lacertae Objects", Astronomical Journal, 104, 1687 (1992). J.-F. Lestrade, R. B. Phillips, R. A. Preston, and D. C. Gabuzda, "High-precision VLBI astrometry of the radio-emitting star Sigma Corona Borealis - A step in linking the Hipparcos and extragalactic reference frames", Astronomy and Astrophysics, 258, 112 (1992). D. C. Gabuzda, T. V. Cawthorne, D. H. Roberts, and J. F. C. Wardle, "A Survey of the Milliarcsecond Polarization Properties of BL~Lacertae Objects," Astrophysical Journal, 388, 40 (1992). P. A. Hughes, M. F. Aller, H. D. Aller, and D. C. Gabuzda, "The Difference Between BL Lacs and QSOs," in Proceedings of "The Nature of Compact Objects in AGN", a conference held at Cambridge University, July 1992. D. C. Gabuzda, "A Polarimetric Perspective on BL Lacertae Objects", in "Extragalactic Radio Sources - From Beams to Jets", Ed. J. Roland, H. Sol, and G. Pelletier (Cambridge: Cambridge University Press), p. 145 (1992). D. C. Gabuzda and T. V. Cawthorne, "Milliarcsecond Polarization Structure and the Classification of "Blazars", in "Variability of Blazars", Ed. E. Valtaoja and M. Valtonen (Cambridge: Cambridge University Press), p. 238 (1992).1991:
J.-F. Lestrade, R. A. Preston, D. C. Gabuzda, and R. B. Phillips, "VLBI Astrometry and the HIPPARCOS Link to the Extragalactic Reference Frame," Advances in Space Research, 11 (2), 129 (1991).1990:
D. H. Roberts, R. I. Kollgaard, L. F. Brown, D. C. Gabuzda, and J. F. C. Wardle, "Milliarcsecond Polarization Structure of the Superluminal Quasar 3C273," Astrophysical Journal, 360, 408 (1990). J.-F. Lestrade, R. A. Preston, D. C. Gabuzda, and R. B. Phillips, "VLBI Astrometry of the HIPPARCOS Radio Stars," in "IAU Colloquium 127: Reference Frames", Ed. J. Hughes, C. Smith, and G. Kaplan, p. 252 (1990). D. H. Roberts, J. F. C. Wardle, L. F. Brown, D. C. Gabuzda, and T. V. Cawthorne, "Parsec Scale Linear Polarization Properties of Quasars, Galaxies, and BL Lacertae Objects," in "Parsec-Scale Radio Jets", Ed. J. A. Zensus and T. J. Pearson (Cambridge: Cambridge U. Press), p. 110 (1990). J. F. C. Wardle, D. H. Roberts, L. F. Brown, R. I. Kollgaard, and D. C. Gabuzda, "Linear Polarization of 3C273 on Parsec Scales,"in "Parsec-Scale Radio Jets", Ed. J. A. Zensus and T. J. Pearson (Cambridge: Cambridge U. Press), (1990).1989:
D. C. Gabuzda, T. V. Cawthorne, D. H. Roberts, and J. F. C. Wardle, "VLBI Linear Polarization Structure of Six BL Lacertae Objects," Astrophysical Journal, 347, 701 (1989). D. C. Gabuzda, J. F. C. Wardle, and D. H. Roberts, "Linear Polarization Structure of the BL Lacertae Object 0735+178 at Milliarcsecond Resolution," Astrophysical Journal, 338, 743 (1989). D. C. Gabuzda, J. F. C. Wardle, and D. H. Roberts, "Superluminal Motion in the BL Lacertae Object OJ~287," Astrophysical Journal, 336, L59 (1989). D. C. Gabuzda, T. V. Cawthorne, D. H. Roberts, and J. F. C. Wardle, "VLBI Polarization Properties of BL Lacertae Objects," in "BL Lac Objects", Ed. L. Maraschi, T. Maccacaro, and M.-H. Ulrich (New York: Springer-Verlag), p. 22 (1989).1988:
D. H. Roberts, D. C. Gabuzda, and J. F. C. Wardle, "Evolution of the Milliarcsecond Polarization Structure of the BL Lacertae Object OJ287," in "IAU Symposium 129: The Impact of VLBI on Astrophysics and Geophysics", Ed. J. M. Moran et al., (Dordrecht: Reidel), p. 159 (1988). J. F. C. Wardle, D. H. Roberts, L. F. Brown, and D. C. Gabuzda, "Evolution of the Milliarcsecond Polarization Structure of the Superluminal Quasar 3C345," in "IAU Symposium 129: The Impact of VLBI on Astrophysics and Geophysics", Ed. J. M. Moran et al., (Dordrecht: Reidel), p. 163 (1988). D. C. Gabuzda, D. H. Roberts, J. F. C. Wardle, and L. F. Brown, "Milliarcsecond Polarization Properties of Several BL Lacertae Objects," in "IAU symposium 129: The Impact of VLBI on Astrophysics and Geophysics", Ed. J. M. Moran et al., (Dordrecht: Reidel), p. 167 (1988).1987:
D. H. Roberts, D. C. Gabuzda, and J. F. C. Wardle, "Linear Polarization Structure of the BL Lacertae Object OJ287 at Milliarcsecond Resolution," Astrophysical Journal, 323, 536 (1987). D. C. Gabuzda, "Magnetic Force Due to a Current-Carrying Wire: A Paradox and Its Resolution," American Journal of Physics, 55, 420 (1987). D. C. Gabuzda, "The Use of Quasars in Teaching Introductory Special Relativity," American Journal of Physics, 55, 214 (1987).1981:
D. C. Gabuzda, "Period and Amplitude of V1670 Sagitarii," Journal of the American Association of Variable Star Observers, 10, 64 (1981).