| 1997 May | Cornell University | Ph. D. (Astronomy) |
| 1992 August | Cornell University | M.S. (Astronomy) |
| 1989 May | University of Iowa | B.S. (Physics) with Highest Distinction and with Honors |
| 1998--present | Radio Astronomer | |
| 1997--1998 | National Research Council | Research Associate |
| 1992--1997 | Cornell University | Graduate research assistant |
| 1995 | Cornell University | Interim Network Administrator |
| 1990--1991 | Cornell University | Graduate teaching assistant |
| 1988 | National Astronomy & Ionosphere Center | Undergraduate research associate |
| 1985--1989 | University of Iowa | Undergraduate research assistant |
| 2000 | Honorable Mention, Boeing Science Writing Contest | Boeing/Griffiths Observatory |
| 1997--1999 | National Research Council Associateship | Naval Research Laboratory |
| 1998 | First Place, Boeing Science Writing Contest | Boeing/Griffiths Observatory |
| 1992 | Eleanor Norton York Prize in Astronomy | Cornell University |
| 1990--1991 | NASA Space Grant Fellowship | Cornell University |
| 1989--1991 | NSF Fellow, Physics & Astronomy (Honorable Mention) | |
| 1989--1990 | Z. Carrter Patten '25 Astronomy Fellowship | Cornell University |
| 1989 | Martha Althaus Smith Award for Excellent Performance as an Undergraduate in Physics & Astronomy | University of Iowa |
| 1988--1989 | Collegiate Scholar, College of Liberal Arts | University of Iowa |
| 1988 | James A. Van Allen Award for Outstanding Work in Physics | University of Iowa |
American Astronomical Society (AAS)
American Association for the Advancement of Science (AAAS)
International Union of Radio Science (URSI)
International Astronomical Union (IAU)
Lazio, T. J. W. & Fischer, J. 2004, "Mid- and Far-Infrared ISO Limits on Dust Disks around Millisecond Pulsars," Astron. J., submitted
Lazio, T. J. W. 2004, ""The Impact of Gravitational Microlensing on Searches for Extraterrestrial Intelligence at Optical Wavelengths," Intl. J. Astrobio., in press
LaRosa, T. N., Nord, M. E., Lazio, T. J. W., & Kassim, N. E. 2004, "New Nonthermal Filaments at the Galactic Center: Are They Tracing a Globally Ordered Magnetic Field?", Astrophys. J., in press; astro-ph/0402061
Gelfand, J. D., Lazio, T. J. W., & Gaensler, B. M. 2004, "A Wide-Field, Low-Frequency Radio Survey of the Field of M31: I. Construction and Statistical Analysis of the Source Catalog," Astrophys. J. Suppl., in press
Lazio, T.&J.&W., Farrell, W. M., Dietrick, J., Greenlees, E., Hogan, E., Jones, C., & Hennig, L. A. 2004, "The Radiometric Bode's Law and Extrasolar Planets," Astrophys. J., submitted
Kassim, N. E., Lazio, T. J. W., Crane, P. C., Hicks, B., Stewart, K. P., Cohen, A., & Lane, W. 2003, "The Low Frequency Array (LOFAR): Opening a New Window on the Universe," Planetary and Space Science, LOFAR special issue, in press
Farrell, W. M., Lazio, T. J. W., Zarka, P., Bastian, T. J., Desch, M. D., & Ryabov, B. P. 2003, "The Radio Search for Extrasolar Planets with LOFAR," Planetary and Space Sciences, special issue on LOFAR, in press
Kassim, N. E., Lazio, T. J. W., Erickson, W. C., Perley, R. A., Cotton, W. D., Greisen, E. W., Lane, W. M., Hicks, B., Cohen, A. S., & Rickard, L. J 2003, "The 74 MHz System on the Very Large Array," Astrophys. J. Suppl., submitted
Chatterjee, S., Cordes, J. M., Vlemmings, W. H. T., Arzoumanian, Z., Goss, W. M., & Lazio, T. J. W. 2003, "Pulsar Parallaxes at 5 GHz with the Very Long Baseline Array," Astrophys. J., 604, 339; astro-ph/0312044
Cohen, A. S., Roettgering, H. J. A., Jarvis, M. J., Kassim, N. E., & Lazio, T. J. W. 2004, "A Deep, High-Resolution Survey at 74 MHz," Astrophys. J. Suppl., 150, 417; astro-ph/0310521
Cohen, A. S., Lane, W. M., Lazio, T. J. W., Kassim, N. E., Perley, R. A., Cotton, W. D., Condon, J., Rvttgering, H. J. A., Wilman, R., Best, P., Pierre, M., Birkinshaw, M., & Zanichelli, A. 2003, "Two Low Frequency Surveys of Radio Galaxies," New Astronomy Reviews, 47, 379
Nord, M. E., Lazio, T. J. W., Kassim, N. E., Goss, W. M., & Duric, N. 2004, "Detection of Sgr A* at 330 MHz with the Very Large Array," Astrophys. J., 601, L51; astro-ph/0312219
Brogan, C. L., Devine, K. E., Lazio, T. J., Kassim, N. E., Tam, C. R., Brisken, W. F., Dyer, K. K. & Roberts, M. S. E. 2004, "A Low Frequency Survey of the Galactic Plane Near l=11: Discovery of Three New Supernova Remnants," Astrophys. J., 127, 355; astro-ph/0310109
Yusef-Zadeh, F., Nord, M., Wardle, M., Law, C., Lang, C., & Lazio, T. J. W. 2003, "Nonthermal Emission from the Arches Cluster (G0.121+0.017) and the Origin of gamma-ray Emission from 3EG J1746-2851," Astrophys. J., 590, L103; astro-ph/0305291
Lazio, T. J. W., Cordes, J. M., Lang, C. C., Gotthelf, E. V., & Wang, Q. D. 2003, "Radio Pulsars in the Galactic Center," Astron. Nachr., 324, No. S1, Special Supplement "The Central 300 parsecs of the Milky Way," Eds. A. Cotera, H. Falcke, T. R. Geballe, & S. Markoff (Wiley-VCH: Weinheim) p. 333
Hyman, S. D., Lazio, T. J. W., Kassim, N. E., Nord, M. E., & Neureuther, J. L. 2003, "A Search for Radio Transients at 0.33 GHz in the GC," Astron. Nachr., 324, No. S1, Special Supplement "The Central 300 parsecs of the Milky Way," Eds. A. Cotera, H. Falcke, T. R. Geballe, & S. Markoff, (Wiley-VCH: Weinheim) p. 79
Kassim, N., Lazio, T. J. W., Nord, M., Hyman, S. D., Brogan, C. L., LaRosa, T. N., Duric, N. 2003, "Prospects for LOFAR Observations of the Galactic Center," Astron. Nachr., 324, No. S1, Special Supplement "The Central 300 parsecs of the Milky Way," Eds. A. Cotera, H. Falcke, T. R. Geballe, & S. Markoff, (Wiley-VCH: Weinheim) p. 65
LaRosa, T. N., Nord, M. E., Lazio, T. J. W., Shore, S. N., & Kassim, N. 2003, "The Galactic Center Nonthermal Filaments: Recent Observations and Theory," Astron. Nachr., 324, No. S1, Special Supplement "The Central 300 parsecs of the Milky Way," Eds. A. Cotera, H. Falcke, T. R. Geballe, & S. Markoff, (Wiley-VCH: Weinheim) p. 181
Brogan, C. L., Nord, M., Kassim, N., Lazio, T. J. W., & Anantharamaiah, K. 2003, "Spatially Resolved Very Large Array 74 MHz Observations Toward the Galactic Center," Astron. Nachr., 324, No. S1, Special Supplement "The Central 300 parsecs of the Milky Way," Eds. A. Cotera, H. Falcke, T. R. Geballe, & S. Markoff, (Wiley-VCH: Weinheim) p. 17
Nord, M. E., Brogan, C. L., Hyman, S. D., Lazio, T. J. W., Kassim, N. E., LaRosa, T. N., Anantharamaiah, K. R., & Duric, N. 2004, "High Resolution, High Sensitivity Imaging of the Galactic Center at 330 MHz," Astron. Nachr., 324, No. S1, Special Supplement "The Central 300 parsecs of the Milky Way," Eds. A. Cotera, H. Falcke, T. R. Geballe, & S. Markoff (Wiley-VCH: Weinheim) p. 9
Lazio, T. J. W., Fisher, J., & Cordes, J. M. 2004, "Searches for Pulsar Planetary Systems," in Bioastronomy 2002: Life Among the Stars, eds. R. Norris, C. Oliver, & F. Stoutman, in press
Lazio, T. J. W., Tarter, J., & Backus, P. 2004, "Megachannel Extraterrestrial Assay Candidates: No Transmissions from Intrinsically Steady Sources," in Bioastronomy 2002: Life Among the Stars, eds. R. Norris, C. Oliver, & F. Stoutman, in press
Farrell, W. M., Lazio, T. J. W., Desch, M. D., Bastian, T., & Zarka, P. 2004, "Radio Search for an Extrasolar Planet," in Bioastronomy 2002: Life Among the Stars, eds. R. Norris, C. Oliver, & F. Stoutman, in press
Lazio, T. J. W., Tarter, J., & Backus, P. 2002, "Megachannel Extraterrestrial Assay Candidates: No Transmissions from Intrinsically Steady Sources," Astron. J., 124, 560; astro-ph/0203516
Hyman, S. D., Lazio, T. J. W., & Kassim, N. E. 2002, "Low-Frequency Radio Transients in the Galactic Center," Astron. J., 123, 1497; astro-ph/0110151
LaRosa, T. N., Lazio, T. J. W., & Kassim, N. E. 2001, "A New System of Parallel Isolated Nonthermal Filaments Near the Galactic Center: Evidence for a Local Magnetic Field Gradient," Astrophys. J., 563, 163; astro-ph/0108360
Lazio, T. J. W., Gaume, R. A., Claussen, M. J., Fey, A. L., Fiedler, R., & Johnston, K. J. 2001, "The Extreme Scattering Event Toward 1741-038: H I Absorption," Astrophys. J., 546, 267; astro-ph/0008267
Lazio, T. Joseph W., Waltman, E. B., Ghigo, F. D., Fiedler, R. L., Foster, R. S., & Johnston, K. J. 2001, "A Dual-Frequency, Multi-Year Monitoring Program of Compact Radio Sources," Astrophys. J. Supp., 136, 265; astro-ph/0105433
Lazio, T. J. W. & Fey, A. L. 2001, "Multi-Frequency Very Long Baseline Array Observations of the Compact Double B2 2050+36: Constraints on Interstellar Scattering Revisisted," Astrophys. J., 560, 698; astro-ph/0007098
Chatterjee, S., Cordes, J. M., Lazio, T. J. W., Goss, W. M., Fomalont, E. B., & Benson, J. M. 2000, "Parallax and Kinematics of PSR B0919+06 from VLBA Astrometry and Interstellar Scintillometry," Astrophys. J., 549, 287; astro-ph/0010060
Lacey, C. K., Lazio, T. J. W., Kassim, N. E., Duric, N., Briggs, D. S., & Dyer, K. K. 2001, "Spatially-resolved Thermal Continuum Absorption against the Supernova Remnant W49B," Astrophys. J., 559, 954; astro-ph/0105451
Lazio, T. J. W., Fey, A. L., Gaume, R. A. 2000, "Extreme Scattering Events: An Observational Summary," Astrophys. &Space Sci., in press; astro-ph/0007098
Cordes, J. M. & Lazio, T. J. W. 2001, "Anomalous Radio-Wave Scattering from Interstellar Plasma Structures," Astrophys. J., 549, 997; astro-ph/0005493
Lazio, T. J. W., Fey, A. L., Dennison, B., et al. 2000, "The Extreme Scattering Event toward PKS 1741-038: VLBI Images," Astrophys. J., 534, p. 706; astro-ph;9910323
Katz-Stone, D. M., Kassim, N. E., Lazio, T. J. W., & O'Donnell, R. 2000, "Spatial Variations of the Synchrotron Spectrum within Tycho's Supernova Remnant (3C 10): A Spectral Tomography Analysis of Radio Observations at 20 and 90 Centimeter Wavelengths," ApJ, 529, p. 453
LaRosa, T. N., Kassim, N. E., Lazio, T. J. W., & Hyman, S. D. 2000, "A Wide-Field 90 Centimeter VLA Image of the Galactic Center Region," Astron. J., 119, p. 207; Astron. J., 119, 3145
Kassim, N. E. & Lazio, T. J. W. 1999, "Upper Limits on the Continuum Emission from Geminga at 74 and 326 MHZ," ApJ, 527, p. L101; astro-ph/9910420
Lang, C. C., Anantharamaiah, K. R., Kassim, N. E., & Lazio, T. J. W. 1999, "Discovery of a Nonthermal Galactic Center Filament (G358.85+0.47) Parallel to the Galactic Plane," Astrophys. J., 521, L41; astro-ph/9906285
Lazio, T. J. W., Anantharamaiah, K. R., Goss, W. M., Kassim, N. E, & Cordes, J. M. 1999, "G359.87+0.18, An FR II Radio Galaxy 15' from Sagittarius A*: Implications for the Scattering Region in the Galactic Center," Astrophys. J., 515, 196; astro-ph/9811317
Lazio, T. J. W. & Cordes, J. M. 1998, "Hyperstrong Radio-Wave Scattering in the Galactic Center. I. A Survey for Extragalactic Sources Seen Through the Galactic Center," Astrophys. J. Supplement, 118, 201; astro-ph/9804156
Lazio, T. J. W. & Cordes, J. M. 1998, "Hyperstrong Radio-Wave Scattering in the Galactic Center. II. A Likelihood Analysis of Free Electrons in the Galactic Center," Astrophys. J., 505, in press; astro-ph/9804157
Lazio, T. J. W. & Cordes, J. M. 1998, "The Radial Extent and Warp of the Ionized Galactic Disk. I. A VLBA Survey of Extragalactic Sources Toward the Anticenter," Astrophys. J. Supplement, 115, 225; astro-ph/9711175
Lazio, T. J. W. & Cordes, J. M. 1998, "The Radial Extent and Warp of the Ionized Galactic Disk. II. A Likelihood Analysis of Radio-Wave Scattering Toward the Anticenter," Astrophys. J., 497, 238; astro-ph/9711174
Clegg, A. W., Fey, A. L., & Lazio, T. J. W. 1998, "The Gaussian Plasma Lens in Astrophysics. Refraction," Astrophys. J., 496, 253; astro-ph/9709249
Lazio, T. J. W. & Cordes, J. M. 1997, "The Number of Civilizations in Our Galaxy," Astronomy & Geophysics, 38, 16
Cordes, J. M., Lazio, T. J. W., & Sagan, C. 1997, "Scintillation-induced Intermittency in SETI," Astrophys. J., 487, 782; astro-ph/9707039
Lazio, T. J. W. 1997, "Genetic Algorithms, Pulsar Planets, and Ionized Interstellar Microturbulence," Publ. Astron. Soc. Pacific, 109, p. 1068 (Dissertation Summary)
Cordes, J. M. & Lazio, T. J. W. 1997, "Finding Radio Pulsars in and beyond the Galactic Center," Astrophys. J., 475, 557; astro-ph/9608028
Phillips, J. A. & Lazio, T. J. W. 1995, "Images of HCO+ (1 -> 0) Emission in a Molecular Cloud Near 1E1740.7-2942," Astrophys. J., 442, L37; astro-ph/9411037
Cordes, J. M. & Lazio, T. J. 1991, "Interstellar Scattering Effects on the Detection of Narrowband Signals," Astrophys. J., 376, 123
Lazio, T. J., Spangler, S. R., & Cordes, J. M. 1990, "Faraday Rotation Measure Variations in the Cygnus Region and the Spectrum of Interstellar Plasma Turbulence," Astrophys. J., 363, 515
Lazio, T. J. W. 2003 May/June, "Hello? Are You Still There," Mercury, 32 No. 3, p. 27
Lazio, T. J. W. 2002 December 9, "Calling ET" Scientific American
Lazio, T. J. W. 2001 May/June, "Razor-Sharp Radio Astronomy," Mercury, 30 No. 3, p. 32
Lazio, T. J. W. 2001, "What Lurks in the Heart of the Milky Way?" Griffith Observer, (Honorable Mention Essay in Boeing's Science Writing Contest)
Lazio, Joseph 1999 November 6, "Support for Science" Washington Post Letter to the Editor
Lazio, T. Joseph W. 1999, "Twinkle, Twinkle" Modern Astronomer, 3, No. 4, p. 252
Lazio, T. Joseph W. 1998, "SETI: Are We Alone?" Modern Astronomer, 2, No. 4, p. 214
Lazio, T. J. W. 1998, "How Big is the Milky Way?" Griffith Observer, June (First Place Essay in Boeing's Science Writing Contest)
Lazio, Joseph 1997, "Misinformation on the Internet" Sky & Telescope, 93, No. 4, p. 10, Letter to the Editor
Lazio, T. J. W. 1997, "Direction Finders," Mercury, 26, No. 4, p. 13
Cordes, J. M., Lazio, T. J. W., & Sagan, C. 1996, "Now You See Them, Now You Don't," Mercury, 25, No. 2, 27
Lazio, T. J. W. & Cordes, J. M. 1995, "Pulsars, Planets and Genetics," Mercury, 24, 23
Extensive experience with these instruments over nearly their entire frequency range.
Utilized for various pulsar searches, including toward the Galactic center, and for radio frequency interference (RFI) mitigation tests.
Utilized for various pulsar searches
Utilized in search for ultra-steep spectrum object
PI on pending proposal for millisecond pulsar observations
Considerable experience including data calibration and analysis, installation, and modification of existing tasks.
Modest experience with imaging
Have utilized SGI Origin 2000 and 3000 machines as well as a Linux Beowulf cluster for analysis of various radio astronomical data.
Wrote and incorporated a GA into an existing program used to search for planets around pulsars; this program is now being used to improve the limits on planets around the pulsars in the JPL timing archive.
Fluent in the following languages:
Fortran 77;
C;
HyperText Markup Language (HTML);
shell scripting (Bourne and C-shell);
Perl;
TeX and LaTeX.
Proficient in the following languages:
C++;
Lisp;
PostScript.
One member of a four-man team which served as the Interim Network Administrators for the Cornell Dept. of Astronomy; responsible for a LAN of nearly 100 SunOS, Solaris, and PC machines.
Established and was responsible for maintaining the original Web sites for the Cornell Dept. of Astronomy and the journal Icarus between 1994 and 1996.