Massive Star Formation and the Interstellar
Medium in Nearby Galaxies

Recent Publications

Diffuse Ionized Gas in Edge-on Spiral Galaxies: Extraplanar and Outer Disk H-alpha Emission. 1999 Hoopes, C. G., Walterbos, R. A. M, Rand, R. J., ApJ, 522, 669

Discovery of a Nearby Low Surface Brightness Spiral Galaxy. - 1999 Burton, W. B., Braun, R., Walterbos, R. A. M., Hoopes, C. G. AJ, 117, 194

Diffuse Ionized Gas in M51/NGC 5195 and M81. -1998, Greenawalt, B., Walterbos, R. A. M., Thilker, D., Hoopes, C. G. ApJ, 506, 135

Searching for Luminous Blue Variables in Nearby Galaxies. - 1998 King, N. L., Walterbos, R. A. M., & Gallagher, J. S., to appear in IAU Symposium No. 193, `"Wolf-Rayet Phenomenon in Massive Stars and Starburst Galaxies"

Discovery of Candidate Luminous Blue Variables in M31. - 1998 King, N. L., Walterbos, R. A. M., & Braun, R., ApJ, 507, 210

The Warm Ionized Medium in Spiral Galaxies: A View from Above - Rene A. M. Walterbos 1997, Invited Talk at the "AAO/UKST Galactic Plane H-alpha Survey" International Workshop, Sydney, Australia, in press

The Massive Stellar Population in the Diffuse Ionized Gas of M33 - Charles G. Hoopes & Rene A. M. Walterbos 1997, contribution to the proceedings of the conference "The Ultraviolet Universe at High and Low Redshift" May 2-4, 1997, College Park, MD, ed. W. H. Waller

Optical Spectroscopy of Diffuse Ionized Gas in M31. - Bruce E. Greenawalt, Rene A. M. Walterbos, & Robert Braun (NFRA) 1997, Astrophysical Journal, 483, 666

Diffuse Ionized Gas in Three Sculptor Group Galaxies. - Charles G. Hoopes, Rene A. M. Walterbos, & Bruce E. Greenawalt 1996, Astronomical Journal, 112, 1429

The Cool and Warm Phases of the Interstellar Medium in Spiral Galaxies. - Rene A. M. Walterbos & Robert Braun 1996, ASP Conference Proceedings, ed. Evan Skillman, in press

Far-Infrared Radiation from Dust Heated by the Interstellar Radiation Field in Spiral Galaxies - Rene A. M. Walterbos & Bruce E. Greenawalt 1996, Astrophysical Journal, 460, 696

ROSAT Detection of Diffuse Hot Gas in the Edge-on Galaxy NGC 4631 - Q. Daniel Wang, Rene A. M. Walterbos, Michael F. Steakley, Colin A. Norman, & Robert Brau, 1995, Astrophysical Journal, 439, 176

Placid stars and excited gas in NGC 4826 - Hans-Walter R. Rix, Robert C. Kennicutt Jr., Robert Braun, & Rene A. M. Walterbos 1995, Astrophysical Journal, 438, 155

Diffused Ionized Gas in the Spiral Galaxy M31 - Rene A. M. Walterbos & Robert Braun 1994, Astrophysical Journal,431,156