Publications of Jeffrey P. Morgenthaler

Refereed Journal Articles

Click on author list to download article in PDF format.     

Click on journal name to visit journal homepage.

Morgenthaler, J. P., Harris, W. M., Combi, M. R.Large Aperture [O I] 6300 Å Observations of Comet Hyakutake: Implications for the Photochemistry of OH and [O I] Production in Comet Hale-Bopp, Astrophys. J., Vol. 657, p. 1162-1171, 2007.

Glinski, R. J., Ford, B. J., Harris, W. M., Anderson, C. M., & Morgenthaler, J. P., Oxygen/Hydrogen Chemistry in the Inner Comae of Active Comets, Astrophys. J., Vol. 608, p. 601-609, 2004.

Morgenthaler, J. P., Harris, W. M., Scherb, F., Roelser, F. L., Anderson, C. M., Doane, N. E., & Oliversen, R. J., The Gas Production Rate and Coma Structure of Comet C/1995 O1 (Hale-Bopp), Earth, Moon, Planets, Vol. 90, p. 77-87, 2002.

Morgenthaler, J. P., Harris, W. M., Scherb, F., Doane, N. E., & Oliversen, R. J., Velocity-Resolved Observations of H-alpha Emission from Comet C/1995 O1 (Hale-Bopp), Earth, Moon, Planets, Vol. 90, p. 89-97, 2002.

Harris, W. M., Morgenthaler, J., Mierkiewicz, E., Scherb, F., Oliversen, R., & Nordsieck, K., Evidence for Collisional Effects in the Radial Distributions of OH and C in the Coma of C/1995 O1 (Hale-Bopp), Earth, Moon, Planets, Vol. 90, p. 45-56, 2002

Oliversen, R. J., Doane, N. E., Scherb, F., Harris, W. M., & Morgenthaler, J. P., Measurements of [C I] 9850 Å Emission from Comet Hale-Bopp, Astrophys. J., Vol. 581, No. 1, p. 770-775, 2002.

Harris, W. M., Scherb, F., Mierkiewicz, E. J., Oliversen, R. J., & Morgenthaler, J. P., Production, Outflow Velocity, and Radial Distribution of H ₂O and OH in the Coma of Comet C/1995 O1 (Hale-Bopp), Astrophys. J., Vol. 578, p. 996-1008, 2002.

McCammon, D., Almy, R., Apodaca, E., Bergmann Tiest, W., Cui, W., Deiker, S., Galeazzi, M., Juda, M., Lesser, A., Mihara, T., Morgenthaler, J. P., Sanders, W. T., Zhang, J., Figueroa-Feliciano, E., Kelley, R. L., Moseley, S. H., Mushotzky, R. F., Porter, F. S., Stahle, C. K., & Szymkowiak, A. E., A High Spectral Resolution Observation of the Soft X-Ray Diffuse Background with Thermal Detectors, Astrophys. J., Vol. 576, p. 188-203, 2002.

Morgenthaler, J. P., Harris, W. M., Scherb, F., Anderson, C. M., Oliversen, R. J., Doane, N. E., Combi, M. R., Marconi, M. L., & Smyth, W. H.,Large Aperture [O I] 6300 Å Photometry of Comet Hale-Bopp: Implications for the Photochemistry of OH, Astrophys. J., Vol. 563, p. 451-461, 2001.

Oliversen, R. J., Scherb, F., Smyth, W. H., Freed, M. E., Woodward, R. C., Marconi, M. L., Retherford, K. D., Lupie, O. L., & Morgenthaler, J. P., Sunlit Io Atmospheric [O I] 6300 Å Emission and the Plasma Torus, J. Geophys. Res., Vol. 106, No. A11, p. 26183-26193, 2001.

Sanders, W. T., Edgar, R. J., Kraushaar, W. L., McCammon, D., & Morgenthaler, J. P., Spectra of the 1/4 keV X-ray Diffuse Background from the Diffuse X-Ray Spectrometer Experiment, Astrophys. J., Vol. 554, p. 694-709, 2001.

Morgenthaler, J. P., The Study of the Diffuse X-ray Background between 150 eV and 280 eV with the Diffuse X-ray Spectrometer (DXS), Ph.D. thesis, University of Wisconsin-Madison, 1998.

Sanders, W. T., Edgar, R. J., Liedahl, D. A., & Morgenthaler, J. P., The Soft X-ray Background Spectrum from DXS, in Lecture Notes in Physics, Vol. 506 (Berlin: Springer-Verlag), p. 83, 1998.

McCammon, D., Almy, R., Deiker, S., Morgenthaler, J., Kelley, R. L., Marshall, F. J., Moseley, S. H., Stahle, C. K., & Szymkowiak, A. E., A Sounding Rocket Payload for X-ray Astronomy Employing High-Resolution Microcalorimeters, Nucl. Instrum. Methods Phys. Res., Sect. A, Vol. 370, p. 266-268, 1996.

Cui, W., Almy, R., Deiker, S., McCammon, D., Morgenthaler, J. P., Sanders, W. T., Kelley, R. L., Marshall, F. E., Moseley, S. H., Stahle, C. K., & Szymkowiak, A. E., Sounding Rocket Experiment Employing Microcalorimeter Detectors to Obtain a High-Resolution Spectrum of the Diffuse X-ray Background, Proceedings of SPIE, Vol. 2280, p. 362, 1994.

McCammon, D., Cui, W., Juda, M., Morgenthaler, J. P., Zhang, J., Kelley, R. L., Holt, S. S., Madejski, G. M., Moseley, S. H., & Szymkowiak, A. E., Thermal Calorimeters for High Resolution X-ray Spectroscopy, Nucl. Instrum. Methods Phys. Res., Sect. A, Vol. 326, p. 157, 1993.

Juda, M., Cui, W., McCammon, D., Morgenthaler, J. P., Sanders, W. T., Zhang, J., Kelley, R. L., Madejski, G., Moseley, S. H., Stahle, C., & Szymkowiak, A. E., Thermal Detectors for X-ray Astronomy: Current Performance and Limitations, Proceedings of SPIE, Vol. 1743, p. 398-406, 1992.

Poster Papers/Talks, Interviews

Click on author list to download article in PDF or HTML

Click on journal name to visit journal homepage.

Morgenthaler, J. P., Harris, W. M., Combi, M. R., Feldman, P. D., and Weaver, H. A. Wide-field Spectroscopic Observations of Comet 8P/Tuttle by GALEX, Bull. Am. Astron. Soc., Vol. 40, AAS/Division of Planetary Sciences Meeting 40, poster #16.22, 2008.

Harris, W. M. and Morgenthaler, J. P. Interacting Gas Flows In Split Comets: A Re-evaluation Of The Perigee Outburst Of C/1996b2 (Hyakutake), Bull. Am. Astron. Soc., Vol. 40, AAS/Division of Planetary Sciences Meeting 40, poster #16.05, 2008.

Oliversen, R. J., Walker, C., Donaldson, J. K., Morgenthaler, J. P., Mierkiewicz, E., Roesler, F. L., Larson, E., Harris, W. M., Hosseini, S. S., Lupie, O. L., Hilton, G. M., Carpena-Nunez, J., and Dawson, O. R., Observations of Io and the Plasma Torus During 2007 and 2008, Bull. Am. Astron. Soc., Vol. 40, AAS/Division of Planetary Sciences Meeting 40, poster #44.05, 2008.

Harris, W. M. and Morgenthaler, J. P. Interacting Gas Flows In Split Comets: A Re-evaluation Of The Perigee Outburst Of C/1996b2 (Hyakutake), Asteroids, Comets, Meteors 2008 held July 14-18, 2008 in Baltimore, Maryland. LPI Contribution No. 1405, paper id. 8383.

Morgenthaler, J. P., The Io Plasma Torus: Volcanoes, Atmospheres, and Magnetospheres, Oh My!, Hope College Physics/Engineering Seminar, 7 March 2007. (PowerPoint source)

Morgenthaler, J. P., The McMath-Pierce Solar Telescope Stellar Spectrograph, ESS 590 Substitute Lecture, 20 Feb 2007. (PowerPoint source)

Morgenthaler, J. P., Diffuse Emission from Solar Sytem Objects, St. Mary's College of Maryland Physics Seminar, 17 Jan 2007. (PowerPoint source)

Shaye Storm, N. Samarasinha, B. Mueller, T. Farnham, Y. Fernandez, A. Kidder, D. Snowden, M. A'Hearn, W. Harris, M. Knight, J. Morgenthaler, C. Lisse, F. Roesler Constraining the Rotational Period for Component C of the Periodic Comet 73P/Schwassmann-Wachmann 3 Am. Astron. Soc., Vol. 37, No. 3, AAS Meeting 209, poster #25.12, 2007.

Morgenthaler, J. P., Harris, W. M., Combi, M. R, Feldman, P. D., Weaver, H. A. Wide-field spectroscopic observations of comet C/2004 Q2 (Machholz) by GALEX, Bull. Am. Astron. Soc., Vol. 37, No. 3, AAS Meeting 209, poster #25.15, 2007.

Morgenthaler, J. P., Harris, W. M., Combi, M. Large Aperture [O I] 6300 Å Observations of Comet Hyakutake: Implications for the Photochemistry of OH and [O I] Production in Comet Hale-Bopp, Bull. Am. Astron. Soc., Vol. 37, No. 3, AAS/Division of Planetary Sciences Meeting 38, talk #20.07, 2006. (PowerPoint source)

Shaye P. Storm, N. Samarasinha, B. Mueller, T. Farnham, Y. Fernandez, A. Kidder, D. Snowden, M. A'Hearn, W. Harris, M. Knight, J. Morgenthaler, C. Lisse, F. Roesler Time Variability of Component C of Fragmented Comet 73P/Schwassmann-Wachmann 3, Bull. Am. Astron. Soc., Vol. 37, No. 3, AAS/Division of Planetary Sciences Meeting 38, poster #12.08, 2006.

Interview: GI Spotlight: Looking Beyond a Comet's Dusty Tail describing UV observations of comet Machholz by GALEX .

Morgenthaler, J. P., Interferometry, ESS 590 Substitute Lecture, 21 Apr 2006.

Morgenthaler, J. P., Ground-based Observations of Comets: Applications of the Haser Model, U. Wash. Space Science Seminar 2006 Feb 7.

Morgenthaler, J. P., Solar Magnetism, ESS 102 Substitute Lecture, 30 Jan 2006. (PowerPoint source)

Morgenthaler, J. P., Solar Neutrinos, ESS 102 Substitute Lecture, 26 Jan 2006. (PowerPoint source)

Morgenthaler, J. P., Harris, W. M., Combi, M. R., Weaver, H. A. & Feldman, P. D. Wide-field spectroscopic observations of comets in the UV: GALEX observations of C/2004 Q2 (Machholz), Bull. Am. Astron. Soc., Vol. 37, No. 3, AAS/Division of Planetary Sciences Meeting 37, poster #16.13, 2005.

Morgenthaler, J. P., Harris, W. M., Oliversen, R. J., Corliss, J. Mierkiewicz, E Instrumentation for Nighttime Use at the McMath-Pierce Solar Telescope, NOAO-NSO Newsletter, Vol. 82, p. 36.

Morgenthaler, J. P., The X-ray Quantum Calorimeter (XQC), ESS 490/590 Lecture, 22 Feb 2005. (PowerPoint source)

Morgenthaler, J. P.,Observations of comets with high-resolution, wide-field instruments,  U. Wash. Space Science Seminar 2004 Nov 16.

Morgenthaler, J. P., Harris, W. M., Scherb, F. & Combi, M. R., Large aperture [O I] 6300 Å photometry of comets Hyakutake, Halley, and Austin: implications for the photochemistry of OH, Bull. Am. Astron. Soc., Vol. 36, No. 3, AAS/Division of Planetary Sciences Meeting 36, poster #33.12, 2004.

Morgenthaler, J. P., Oliversen, R. J., Scherb, F., Smyth, W. H., Freed, M. E., Woodward, R. C., Marconi, M. L., Retherford, K. D., & Lupie, O. L.,Oxygen Emission in Io's Atmosphere as a Probe of the Plasma Torus,  University of Maryland Planetary Lunch seminar, 23 Jun. 2004.

Morgenthaler, J. P., Oliversen, R. J., Scherb, F., Smyth, W. H., Freed, M. E., Woodward, R. C., Marconi, M. L., Retherford, K. D., & Lupie, O. L.,Oxygen Emission in Io's Atmosphere as a Probe of the Plasma Torus,  Goddard Space Flight Center Astrochemistry and Planetary Systems seminar, 1 Apr. 2004.

Harris, W., Roesler, F., Harlander, J., Oliversen, R., Mierkiewicz, E., Ballester, G., Morgenthaler, J., & Corliss, J., Applications of High Etendue Line-Profile Spectroscopy and Spectro-Polarimetry to the Study of the Atmospheric and Magnetospheric Environments of the Jovian Icy Moons., in American Geophysical Union, Fall Meeting 2003 , abstract #SM22B-0250, 2003.

Morgenthaler, J. P., Astrobiology 101, Stellar & Extragalactic Lunch talk, 29 Oct. 2003. (PowerPoint source)

Glinski, R. J., Harris, W. M., Anderson, C. M., & Morgenthaler, J. P., Oxygen/Hydrogen Chemistry in Inner Comae of Active Comets, IAU XXV, Poster presentation at the IAU 25th General Assembly, Joint Discussion 14 of Division III, Participating Commissions 15 and 34, 2003. 

 Oliversen, R. J., Morgenthaler, J. P., Scherb, F., Woodward, R. C., Smyth, W. H., & Lupie, O. L., Groundbased Observations of Io [O I] 6300 Å Emission During the Galileo I24, I25, and Cassini Encounters, in American Geophysical Union, Fall Meeting 2002, abstract #P21B-0377, 2002.

Oliversen, R. J., Morgenthaler, J. P., Woodward, R. C., Scherb, F., Smyth, W. H., & Lupie, O. L., Groundbased Observations of Io and the Plasma Torus During the Galileo I24, I25, and Cassini Encounters, in Magnetospheres of the Outer Planets Conference, 2002, p. 79, 2002.

Morgenthaler, J. P., Harris, W. M., Scherb, F., Anderson, C. M., Oliversen, R. J., Doane, N. E., Combi, M. R., Marconi, M. L., & Smyth, W. H.,Large Aperture [O I] 6300 Å Photometry of Comet Hale-Bopp: Implications for the Photochemistry of OH, GSFC poster presentation, 5 Nov. 2002.

Morgenthaler, J. P., Oliversen, R. J., Scherb, F., Smyth, W. H., Freed, M. E., Woodward, R. C., Marconi, M. L., Retherford, K. D., & Lupie, O. L.,Oxygen Emission in Io's Atmosphere as a Diagnostic of the Plasma Torus,  Stellar & Extragalactic Lunch talk, 25 Sep. 2002.

Morgenthaler, J. P., Harris, W. M., Scherb, F. Roesler, F. L., Doane, N. E., Oliversen, R. J., Combi, M. R., Marconi, M. L., & Smyth, W. H.,Probing the Abundance Ratios of Comets using Fabry-Pérot Observations,  Astrophysics Seminar talk, 4 Apr. 2002.

Morgenthaler, J. P., Harris, W. M., Scherb, F., Anderson, C. M., Doane, N. E., Roesler, F. L., Oliversen, R. J., & Combi, M. R., The Production of O(¹D) in Comet Hale-Bopp, Bull. Am. Astron. Soc., Vol. 32, No. 3, AAS/Division of Planetary Sciences Meeting 32, poster #41.04, 2000.

Scherb, F., Oliversen, R. J., Freed, M. E., Corliss, J., Woodward, R. C., Smyth, W. H., Morgenthaler, J. P., Lupie, O. L., & Retherford, K. D., Ground-Based Observations of [O I] 6300 Å Emission from Io, Bull. Am. Astron. Soc., Vol. 31, No. 4, AAS/Division of Planetary Sciences Meeting 31, poster #58.12, 1999.

Morgenthaler, J. P., Harris, W. M., Scherb, F., Anderson, C. W., Roesler, F. L., Oliversen, R. J., Doane, N. E., Smyth, W. H., & Marconi, M. L., The Water Production Rate of Comet Hale-Bopp as Determined by [O I] 6300 Å Measurements, Bull. Am. Astron. Soc., Vol. 31, No. 4, AAS/Division of Planetary Sciences Meeting 21, poster #17.10, 1999.

Morgenthaler, J. P., Scherb, F., Anderson, C. W., Roesler, F. L., Oliversen, R. J., Doane, N. E., Smyth, W. H., & Marconi, M. L., The Spatial Distribution of   O(¹D) in Comet Hale-Bopp from 2,000 to 1x10⁶  km, Bull. Am. Astron. Soc., Vol. 31, No. 3, AAS meeting 194, poster #15.01, 1999.

Doane, N. E., Oliversen, R. J., Scherb, F., Morgenthaler, J. P., Roesler, F. L., Woodward, R. C., Harris, W. M., & Hilton, G. M., Groundbased Observations of [C I] 9850 Å Emission from Comet Hale-Bopp, Bull. Am. Astron. Soc., Vol. 31, No. 3, AAS Meeting 194, poster #15.03, 1999.

Harris, W. M., Morgenthaler, J., Mierkiewicz, E., Scherb, F., Oliversen, R., & Nordsieck, K., Evidence for Collisional Effects in the Radial Distributions of OH and C in the Coma of C/1995 O1 (Hale-Bopp), Bull. Am. Astron. Soc., Vol. 31, No. 4, AAS/Division of Planetary Sciences Meeting 31, poster #17.02, 1999.

Morgenthaler, J. P., Scherb, F., Anderson, C. W., Roesler, F. L., Oliversen, R. J., Doane, N. E., Smyth, W. H., & Marconi, M. L., The Spatial Distribution of [O I] in Comet Hale-Bopp from 2,000 to 1x10⁶  km, Bull. Am. Astron. Soc., Vol. 30, No. 3, AAS/Division of Planetary Sciences Meeting 30, poster #31.13, 1998.

Harris, W. M., Nordsieck, K. H., Scherb, F., Mierkiwicz, E. J., Morgenthaler, J. P., & Oliversen, R. J., Multispectral study of CO production from C/1995 O1 (Hale-Bopp), Bull. Am. Astron. Soc., Vol. 30, No. 3, AAS/Division of Planetary Sciences Meeting 30, poster #31.06, 1998.

Morgenthaler, J. P., Sanders, W. T., & Edgar, R. J., Diffuse X-ray Spectrometer (DXS) Recent Results, Bull. Am. Astron. Soc., Vol. 29, No. 2, AAS meeting 190, poster #44.07, 1997.