Albert Betz

Position: Research Associate Office: ARL 195C Phone: 303-492-4880 FAX: 303-492-5941 Email: betz@spot.colorado.edu

Teaching Interests:

• Cosmology

Research Interests:

• interstellar medium and circumstellar envelopes
• high resolution infrared spectroscopy
• instrumentation development

Recent Publications (1995-1999):

• Skinner, C., Justtanont, K., Tielens, A., Betz, A., Boreiko, R., and Baas, F. 1999, "Modelling the Dust and Gas Outflows from IRC+10 216-I. Ground-based and Airborne Observations", MNRAS, 302, 293.

• Gerin, M., Phillips, T., Keene, J., Betz, A., and Boreiko, R. 1998, "CO, CI, and CII Observations of NGC 7023", Ap.J., 500, 329.

• Betz, A. and Boreiko, R. 1997, "BIB Photoconductive Mixers," to appear in Space Terahertz Technology, Harvard University.

• Boreiko, R. and Betz, A. 1997, Far Infrared Spectroscopy of C II and High J CO Emission from Warm Molecular Gas in NGC 3576, Ap.J.Suppl., 111, 409.

• Jansen, D., van Dishoeck, E., Keene, J., Boreiko, R., and Betz, A. 1996, "Physical and Chemical Structure of the IC63 Nebula. III. Gas-Phase Carbon Abundance", A&A, 309, 899.

• Betz, A. and Boreiko, R. 1996, "A Practical Schottky Mixer for 5 THz (part II)", in Space Terahertz Technology, Charlottesville, VA, March 12-14, 1996, p. 503.

• Boreiko, R. and Betz, A. 1996, "Heterodyne Spectroscopy of the 63 µm O I Line in M42", Ap.J., 464, L83.

• Boreiko, R. and Betz, A. 1996, "The ¹²C/¹³C Isotopic Ratio in Photodissociated Gas in M42", Ap.J.Lett., 467, L113.

• Boreiko, R. and Betz, A. 1995, "Ionized Carbon in NGC 6334", Ap.J., 454, 307.