Astronomy 1120, Fall 2006

Research Interests

High-Velocity Clouds

Curriculum Vitae

Publications

"Highly Ionized High-Velocity Clouds: Hot Intergalactic Medium or Galactic Halo?" Collins, J. A, Shull, J. M., & Giroux, M. L. 2005, ApJ, 623, 196.

"Highly Ionized High-Velocity Clouds toward PKS 2155-304 and Markarian 509.'' Collins, J. A., Shull, J. M., & Giroux, M. L. 2004, ApJ, 605, 216.

"A Survey of Far Ultraviolet Spectroscopic Explorer and Hubble Space Telescope Sight Lines through High-Velocity Cloud Complex C." Collins, J. A., Shull, J. M., & Giroux, M. L. 2003, ApJ, 585, 336.

``Kinematics of Diffuse Ionized Gas Halos: A Ballistic Model of Halo Rotation.''  Collins, J. A., Benjamin, R., & Rand, R. J. 2002, ApJ, 578, 98.

``Ionization Sources and Physical Conditions in the Diffuse Ionized Gas Halos of Four Edge-On Galaxies.'' Collins, J. A., & Rand, R. J. 2001, ApJ, 551, 57.

``Diffuse Ionized Gas in a Sample of Edge-on Galaxies and Comparisons with HI and Radio Continuum Emission.''  Collins, J. A., Rand, R. J., Duric, N.,  & Walterbos, R. A. M. 2000,  ApJ, 536, 645. 



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