| 1997 | PI | "EUV Spectroscopy of the Narrow Line Seyfert 1 Galaxy 1H0419-577," with K. Leighly and J. P. Halpern |
| 1996 | PI | "Multiwavelength Variability of PKS 2155-304," with M. Urry, et al |
| 1996 | PI | "Coordinated Observations of the Narrow Line Seyfert 1 Galaxy 1H0419-577," with K. Leighly, G. Madejski, R. Edelson, and C. Otani |
| 1996 | Co-I | "EUV and X-ray Variability in Seyfert Galaxies: A Study with Simultaneous EUVE and XTE Observations," with A Fruscione et al |
| 1996 | Co-I | "The Physical Conditions of the Warm Absorber in NGC 5548," with J. Kaastra et al |
| 1996 | Co-I | "Coordinated EUVE and ASCA Observations of the Ultra-soft Variable Narrow Line QSO Ton S 180," with K. Leighly, A. Comastri, and T. Yaqoob |
| 1996 | Co-I | "Hard X-ray Observations of the Ultra-soft Variable Narrow Line QSO Ton S 180," with T. Yaqoob, K. Leighly, and A. Comastri |
| 1995-6 | PI | "Spectral Variability of the EUV excesses of 1H0419-577 and Mrk 478," with M. Malkan, G. Madejski, A. Fruscione, and T.J. Turner |
| 1995-6 | Co-I | "Variability Studies of Narrow Line Seyfert 1 Galaxy 1H0419-577," with K. Leighly, R. Mushotzky, R. Edelson, and C. Otani |
| 1995-6 | Co-I | "EUV Polarization of RE1307+535," with S. Howell, P. Hakala, and O. Vilhu |
| 1995-6 | Co-I | "Spectral Variability of the Soft Excess in Mrk 478," with G. Madejski and T.J.Turner |
| 1994-5 | PI | "The EUV Spectra and Polarization of BL Lac Objects," with T. Carone, M. Sitko, and M. Urry |
| 1993-4 | PI | "Observations of Active Galactic Nuclei with EUVE," with T. Carone, M. Shull, M. Malkan, M. Elvis, and R. Green |
| 1993-4 | Co-I | "EUV Spectroscopy of Hercules X-1/HZ Herculis," with S. Vrtilek and J. Raymond |
| 1993-4 | Co-I | "The Nature of the EUV Continuum in NGC 5548," with T. Carone, et al |
| 1992-4 | Co-I | "Development of a Tool-Set for Simultaneous, Multi-site Observations of Astronomical Objects," with S. Chakrabarti and J.G. Jernigan |
| 1991-2 | PI | "Soft X-ray Spectroscopy of Active Galaxies in Directions of Low Neutral Hydrogen," with S. Bowyer, R.F. Green, and K.A. Pounds |
| 1987-8 | Co-I | "Increasing HRI Detections of IPC Sources," with C.F. McKee |
PI = Principal Investigator
Co-I = Co-Investigator
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