Astrophysics Group Recent Publications: Email your request for (p)reprints to psikey@psi.edu

BOOKS

Handbook of CCD Astronomy, (Volume two in the new series "Cambridge Observing Handbooks for Research Astronomers", Cambridge University Press.) 2000, (Author: S. Howell)

Wild Stars in the Old West: Proceedings of the 13th North American Workshop on Cataclysmic Variables, Low-Mass X-ray Binaries, and Related Objects, 1998, ASP Conference Series, Vol 137. (Editors: S. Howell, C. Woodward, \& E. Kuulkers)

Astronomical CCD Observing and Reduction Techniques, 1992, ASP Conference Series, Vol 23. (Editor: S. Howell)

PREPRINTS

Howell, S. B., Gelino, D., \& Harrison, T., (2000), Infrared Observations of AR UMa: Modeling the Ellipsoidal variations", AJ, submitted.

Belle, K., Howell, S. B., \& Sirk, M., (2000), "AR UMa in the EUV: He 304 Emission and Quasi-Periodic Oscillations", PASP, submitted.

Howell, S. B., Nelson, L., \& Rappaport, S, (2000) "A Exploration of the Paradigm for the 2-3 Hour Period Gap in Cataclysmic Variables" ApJ, in press.

Groot, P., Howell, S. B., Everett, M., Vreeswijk, P., Van Paradijs, J., (2000), "The Faint Sky Variability Survey I", MNRAS, submitted.

Everett, M., Huber, M., Howell, S. B., Groot, P., Vreeswijk, P., Van Paradijs, J., (2000), "The Faint Sky Variability Survey II", MNRAS, submitted.

Skidmore, W., Mason, E., Howell, S. B., Ciardi, D., Littlefair, S. \& Dhillon, V., (2000), "Investigating the Structure of the Accretion Disk in WZ Sge from Multi-wave-band Time-resolved Spectroscopic Observations I", MNRAS, in press.

Mason, E., Skidmore, W., Howell, S. B., Ciardi, D., Littlefair, S. \& Dhillon, V., (1999), "Investigating the Structure of the Accretion Disk in WZ Sge from Multi-wave-band Time-resolved Spectroscopic Observations II", MNRAS, in press.

REPRINTS

Belle, K., Howell, S. B., \& Mills, A., (1999), "{\it EUVE} Observations of the Magnetic Cataclysmic Variable QQ Vulpeculae" PASP, 112, 343.

Dhillon, V., Littlefair, S., Howell, S. B., Ciardi, D., Harrop-Allin, M. K., \& Marsh, T., (1999), "Infrared Spectroscopy of Cataclysmic Variables III; Dwarf Novae Below the Period Gap and Novalike Variables", MNRAS, 314, 826.

Rosen, S., Rainger, J., Burleigh, M., Mittaz, J., Buckley, D., Sirk, M., Lieu, R., Howell, S. B., \& de Martino, D., (1999), "Multi-Wavelength Monitoring of QS Tel", MNRAS,

Littlefair, S., Dhillon, V., Howell, S. B., and Ciardi, D., (2000), "J-Band Spectroscopy of Cataclysmic Variables", MNRAS, 313, 117.

Howell, S. B., Ciardi, D., Dhillon, V., and Skidmore, W., (2000), "Infrared Spectroscopy of the Secondary Star in ST LMi: Implications for Evolution and High/Low State Behavior in Cataclysmic Variables", ApJ, 530, 904.

Howell, S. B., and Everett, M., (1999), "Some Considerations for Ultra-High Precision CCD Photometry", in Third Workshop on Improvements to Photometry, Ed. W. Borucki, NASA Publication, in press.

Everett, M., Howell, S. B., and Ousley, D., (1999), "A Testbed Search System for Extra-Solar Planet Transits", in Third Workshop on Improvements to Photometry, Ed. W. Borucki, NASA Publication, in press.

Howell, S. B., Ciardi, D., Szkody, P., van Paradijs, J., Kuulkers, E., Cash, J., Sirk, M., Long, K., (1999), "Multi-Wavelength Superoutburst Observations of T Leonis ", PASP, 111, 342.

Howell, S. B., Everett, M., Esquerdo, G., Davis, D., Weidenschilling, S., and Van Lew, T., (1999), "Photometric Search for Extra-Solar Planets", in "Precision CCD Photometry", ASP Conf. Series, Eds. E. Craine, D. Crawford, \& R. Tucker, Vol. 189.

Howell, S. B., Cash, J., Mason, K. O., and Herzog, A., (1999), "The Relationship Between UV Line Emission and Magnetic Field Strength in Magnetic Cataclysmic Variables", AJ, 117, 1014.

Sirk, M. and Howell, S. B., (1998), "The Three Dimensional Structure of EUV Accretion Regions in AM Herculis Stars: Modeling of EUV Photometric and Spectroscopic Observations", ApJ, 506, 824.

Ciardi, D., Howell, S. B., Dhillon, V., Wagner, R. M., Hauschildt, P., and Allard, F., "Observations of the Polar ST Leonis Minoris During an Extreme Low State", (1998), PASP, 110, 1007.

Rosen, S., Prinja, R., Drew, J., Mason, K. O., and Howell, S. B., (1998), "Phase Resolved Hubble Space Telescope Ultraviolet Spectroscopy of V795 Her" MNRAS, 299, 305.

Ciardi, D., Howell, S. B., Hauschildt, P., and Allard, F., (1998), "The Relative Contributions to the Near IR emissions in Short-Period Cataclysmic Variables", ApJ, 504, 450.

Tovmassian, G., Greiner, J., Kroll, P., Szkody, P., Mason, P., Zickgraf, F., Krautter, J., Thiering, I., Serrano, A., Howell, S. B., and Ciardi, D., (1998), " A new cataclysmic variable RX J0757.0+6306: Candidate for the Shortest Period Intermediate Polar:, A\&A, 335, 227.

Cash, J., Howell, S. B., and Rosen, S., (1998), "ORFEUS Observations of the Magnetic Cataclysmic Variable PQ Gem, ApJ., 500, L21.

Huber, M., Howell, S. B., Ciardi, D., and Fried, R., (1998), "Optical and IR Photometry of the Cataclysmic Variable V592 Cas", PASP, 110, 784.

Howell, S., B., Hauschildt, P., and Dhillon, V., (1998), "Time-Resolved Spectroscopy of AL Comae Berenices", ApJ 494, L223.

Szkody, P., Hoard, D., Sion, E., Howell, S., B., Sparks, W., Cheng, F., (1998), "UV and Optical Spectroscopy of AL Comae One Year After Superoutburst", ApJ, 497, 928.

Mitchell, K., Saffer, R., Howell, S. B., and Brown, T., (1998), "A New, Complete Sample of Faint B Stars in the Galactic Halo", MNRAS, 295, 225.