Christopher Walker
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Professor of Astronomy
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Professor of Aerospace and Mechanical Engineering
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Associate Professor of Electrical and Computer Engineering
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Associate Professor of Optical Sciences
Sample Publications (130+ authored/co-authored papers in literature)
Walker, C. K., 2015, TeraHertz Astronomy, CRC Press, Taylor & Francis Group, Boca Raton, FL.
Kloosterman, J. L., Hayton, D. J., Ren, Y., Kao, T. Y., Hovenier, J. N., Gao, J. R., Klapwijk, T. M., Hu, Q., Walker, C. K., and Reno, J. L., 2013, “Hot Electron Bolometer Heterodyne Receiver with a 4.7 THz Quantum Cascade Laser as a Local Oscillator”, Appl. Phys. Lett., 102, 011123.
Walker, C., 2012, STO, GUSSTO (EXPLORER): Recent Activities and Results,39th COSPAR Scientific Assembly, 14-22 July 2012, in Mysore, India, p. 2114
Walker, C., Kulesa, C. & GUSSTO Team, 2012, GUSSTO (EXPLORER): Phase A Study Report,delivered to NASA, 23 September 2012.
C. Walker, C. Kulesa, J. Kloosterman, T. Cottam, C. Groppi, P. Bernasconi, H. Eaton, N. Rolander, B. Carkhuff, S. Hechtman, J. Gottlieb, D. Neufeld, C. Lisse, A. Stark, D. Hollenbach, J. Kawamura, P. Goldsmith, W. Langer, H. Yorke, J. Sterne, A. Skalare, I. Mehdi, S. Weinreb, J. Kooi, J. Stutzski, U. Graf, C. Honingh, P. Puetz, C. Martin, D. Lesser, and M. Wolfire, 2011, The Stratospheric THz Observatory (STO): Preparations for Science Flight, Proceedings of 22nd International Symposium on Space Terahertz Technology, Tucson, 26-28 April 2011.
Craig Kulesa, Christopher Walker, Abram Young, John Storey, Michael Ashley, 2011, HEAT: The High Elevation Antarctic Terahertz Telescope, Proceedings of 22nd International Symposium on Space Terahertz Technology, Tucson, 26-28 April 2011.
Bussmann, R. S., Wong, T. W., Hedden, A., Kulesa, C., and Walker, C. K., 2007, A CO (J=3-2) Outflow Survey of the Elias 29 Region, Ap.J., 657, Issue 1, pp. L33-L36.
Hedden, A. S., Walker, C. K., Groppi, C. E., and Butner, H. A., 2006, Star Formation in the Northern Cloud Complex of NGC 2264, Ap.J., 645, p.345.
Kulesa, C., Hungerford, a., Walker, C., Zhang, X., and Lane, A., 2005, Large-Scale CO and [CI] Emission in the Rho Ohiuchi Molecular Cloud, Ap. J., 625, 194.
Degrees
- Ph.D. Astronomy
- University of Arizona, Tucson, Arizona, United States
- Observational Studies of Star Forming Regions
- M.S. Electrical and Computer Engineering
- Ohio State University, Columbus, Ohio, United States
- Upgrading the Ohio State Radio ObservatoryAdviser: John D. Kraus
- B.S. Electrical and Computer Engineering
- Clemson University, Clemson, South Carolina, United States
Work Experience
- University of Arizona, Tucson, Arizona (2003 - Ongoing)
- University of arizona (2003 - Ongoing)
- University of Arizona, Tucson, Arizona (1991 - Ongoing)
- California Institute of Technology, Pasadena, California (1988 - 1991)
- University of Arizona, Tucson, Arizona (1983 - 1988)
- Jet Propulsion Laboratory (1983 - 1983)
- TRW Aerospace (1981 - 1983)
Interests
Teaching
Courses:Life in the Universe: Astr 202;Physical Universe: Astr 170b;Radio Astronomy: Astr 585;Interdisciplinary Studies;Authored Textbook: "TeraHertz Astronomy"
Research
Star and Planet Formation;Life Cycle of the Interstellar Medium;Astronomical Instrumentation;Balloon-borne Telescopes;Space-based Telescopes;CubeSats
Courses
Exploring Our Universe
ASTR 170B1 (Fall 2022)
ASTR 170B1 (Spring 2017)
Life In The Universe
ASTR 202 (Spring 2021)
ASTR 202 (Spring 2018)
Astronomy + Astrophysics
ASTR 300B (Spring 2023)
ASTR 300B (Fall 2020)
Directed Research
ASTR 392 (Summer I 2023)
ASTR 392 (Spring 2020)
ASTR 492 (Fall 2023)
ASTR 492 (Summer I 2020)
ASTR 492 (Spring 2018)
ASTR 492 (Spring 2016)
ECE 492 (Spring 2021)
Radio Astronomy
ASTR 485 (Spring 2020)
ASTR 485 (Spring 2018)
ASTR 485 (Spring 2016)
ASTR 585 (Spring 2020)
ASTR 585 (Spring 2018)
ASTR 585 (Spring 2016)
Senior Capstone
ASTR 498 (Fall 2017)
Honors Thesis
ASTR 498H (Fall 2023)
Interstellar Med & Star Form
ASTR 515 (Fall 2019)
Independent Study
ASTR 599 (Fall 2018)
ASTR 599 (Spring 2018)
ASTR 599 (Fall 2017)
ASTR 599 (Spring 2017)
ASTR 599 (Fall 2016)
ECE 599 (Fall 2021)
ECE 599 (Spring 2016)
ECE 699 (Spring 2016)
Research
ASTR 900 (Spring 2020)
ASTR 900 (Fall 2019)
ECE 900 (Spring 2021)
ECE 900 (Fall 2020)
ECE 900 (Spring 2019)
MATH 900 (Spring 2019)
MATH 900 (Fall 2018)
MATH 900 (Spring 2017)
Thesis
ECE 910 (Spring 2022)
ECE 910 (Fall 2021)
ECE 910 (Summer I 2017)
ECE 910 (Spring 2017)
OPTI 910 (Fall 2020)
OPTI 910 (Spring 2020)
OPTI 910 (Fall 2019)
Dissertation
AME 920 (Spring 2023)
AME 920 (Fall 2022)
AME 920 (Spring 2022)
AME 920 (Spring 2021)
AME 920 (Fall 2020)
ASTR 920 (Spring 2019)
ASTR 920 (Fall 2018)
ASTR 920 (Spring 2018)
ASTR 920 (Fall 2017)
ASTR 920 (Spring 2017)
ASTR 920 (Fall 2016)
ASTR 920 (Spring 2016)
ECE 920 (Fall 2023)
ECE 920 (Spring 2023)
ECE 920 (Fall 2022)
ECE 920 (Spring 2022)
ECE 920 (Fall 2021)
ECE 920 (Spring 2021)
ECE 920 (Fall 2020)
ECE 920 (Spring 2020)
ECE 920 (Fall 2019)
ECE 920 (Spring 2019)
ECE 920 (Fall 2018)
ECE 920 (Spring 2018)
ECE 920 (Fall 2017)
ECE 920 (Spring 2017)
ECE 920 (Fall 2016)
ECE 920 (Spring 2016)
MATH 920 (Fall 2023)
MATH 920 (Spring 2023)
MATH 920 (Fall 2022)
MATH 920 (Spring 2022)
MATH 920 (Fall 2021)
MATH 920 (Spring 2021)
MATH 920 (Fall 2020)
MATH 920 (Spring 2020)
MATH 920 (Fall 2019)
OPTI 920 (Fall 2017)
OPTI 920 (Fall 2016)
Selected Publications
Journals/Publications
- Bergner, J. B. (2022). Astrochemistry with the Orbiting Astronomical Satellite for Investigating Stellar Systems (OASIS). Frontiers in Astrophysics and Space Sciences, 8, 246.
- Stanke, T. (2022). The APEX Large CO Heterodyne Orion Legacy Survey (ALCOHOLS). I. Survey overview. Astronomy & Astrophysics, 658, 38.
- Kloosterman, J. L., Hayton, D. J., Ren, Y., Kao, T. Y., Hovenier, J. N., Gao, J. R., Klapwijk, T. M., Hu, Q., Walker, C. K., & Reno, J. L. (2013). Hot electron bolometer heterodyne receiver with a 4.7-THz quantum cascade laser as a local oscillator. Applied Physics Letters, 102(1).
- Walker, C. E., & Pompea, S. M. (2013). Tales from the Dark Side: Teacher Professional Development , Support , Activities, Student Research amp Presentations. AGU Fall Meeting Abstracts, D793.
- Brisset, F., Dugne, O., Robaut, F., 'ar, J. L., & Walker, C. T. (2012). PREFACE: EMAS 2011: 12th European Workshop on Modern Developments in Microbeam Analysis. Materials Science and Engineering Conference Series, 32(1), 011001.
- Groppi, C. E., Wheeler, C. H., Mani, H., McGarey, P., Veach, T., Weinreb, S., Russell, D., Kooi, J. W., Lichtenberger, A. W., Walker, C. K., & Kulesa, C. (2012). The Kilopixel Array Pathfinder Project (KAPPa), a 16 pixel integrated heterodyne focal plane array. Proceedings of SPIE - The International Society for Optical Engineering, 8452.
- Kloosterman, J., Cottam, T., Swift, B., Lesser, D., Schickling, P., Groppi, C., Borden, M., Towner, A., Schmidt, P., Kulesa, C., D'Aubigny, C., Walker, C., Golish, D., Weinreb, S., Jones, G., Mani, H., Kooi, J., Lichtenberger, A., Puetz, P., & Narayanan, G. (2012). First observations with SuperCam and future plans. Proceedings of SPIE - The International Society for Optical Engineering, 8452.
- Kulesa, C. A., Ashley, M. C., Augarten, Y., Bonner, C. S., Burton, M. G., Bycroft, L., Lawrence, J., Lesser, D. H., Loomis, J., Luong-Van, D. M., Martin, C. L., McLaren, C., Stapleton, S., Storey, J. W., Swift, B. J., Tothill, N. F., Walker, C. K., & Young, A. G. (2012). Opportunities for terahertz facilities on the high plateau. Proceedings of the International Astronomical Union, 8(S288), 256-263.
- Padovan, S., Cable, M. L., Cumbers, J., Gentry, D., Harrison, T. N., Naidu, S., Parker, C. W., Potter, R., Reimuller, J., Shkolyar, S., Suer, T. K., Szalay, J., Trammell, H. J., Walker, C. C., & Whitten, J. (2012). Flyby of Io with Repeat Encounters (FIRE): Designing a New Frontiers mission to study the most volcanic body in the solar system. AGU Fall Meeting Abstracts, A2014.
- Scheller, M., Young, A. G., Yarborough, J. M., Moloney, J. V., Koch, S. W., Y., C., & Walker, C. K. (2012). Heterodyne detection of intracavity generated terahertz radiation. IEEE Transactions on Terahertz Science and Technology, 2(3), 271-277.
- Scheller, M., Young, A., Yarborough, J. M., Moloney, J. V., Koch, S. W., D'Aubigny, C. D., & Walker, C. (2012). Intracavity generation of continuous wave terahertz radiation. Proceedings of SPIE - The International Society for Optical Engineering, 8240.
- Walker, C. K., & Groppi, C. E. (2012). Introduction to the special section on 22nd international symposium on space terahertz technology. IEEE Transactions on Terahertz Science and Technology, 2(1), 10-11.
- Zhou, X., Ashley, M. C., Cui, X., Feng, L., Gong, X., Jingyao, H. u., Jiang, Z., Kulesa, C. A., Lawrence, J. S., Liu, G., Luong-Van, D., Jun, M. a., MacRi, L. M., Meng, Z., Moore, A. M., Qin, W., Shang, Z., Storey, J. W., Sun, B., , Travouillon, T., et al. (2012). Progress and results from the chinese small telescope ARray (CSTAR). Proceedings of the International Astronomical Union, 8(S288), 231-238.
- Scheller, M., Yarborough, J. M., Young, A., Fallahi, M., Moloney, J. V., Koch, M., Koch, S. W., D'Aubigny, C., & Walker, C. (2011). Continuous wave terahertz source for remote detection and as a local oscillator for THz receivers. IRMMW-THz 2011 - 36th International Conference on Infrared, Millimeter, and Terahertz Waves.
- Ashley, M. C., Allen, G., Bonner, C. S., Bradley, S. G., Cui, X., Everett, J. R., Feng, L., Gong, X., Hengst, S., Hu, J., Jiang, Z., Kulesa, C. A., Lawrence, J. S., Li, Y., Luong-Van, D., McCaughrean, M. J., Moore, A. M., Pennypacker, C., Qin, W., , Riddle, R., et al. (2010). PLATO-A robotic observatory for the Antarctic plateau. EAS Publications Series, 40, 79-84.
Proceedings Publications
- Arenberg, J. (2021). OASIS architecture: key features. In SPIE, 11820, 20.
- Choi, H. (2021). Mid-to-high frequency characterization of inflatable membrane optics. In SPIE, 11820, 10.
- Esparza, M. (2021). Stressed deformable reflector design and pneumatic membrane antenna for cryogenic thermal vacuum chamber testing. In SPIE, 11820, 7.
- Palisoc, A. (2021). Analytical and finite element analysis tool for nonlinear membrane antenna modeling for astronomical applications. In SPIE, 11820, 19.
- Quach, H. (2021). Deflectometry-based thermal vacuum testing for a pneumatic terahertz antenna. In SPIE, 11820, 13.
- Sirsi, S. (2021). Parametric design study of the Orbiting Astronomical Satellite for Investigating Stellar Systems (OASIS) space telescope. In SPIE, 11820, 15.
- Takashima, Y. (2021). All reflective THz telescope design with an inflatable primary antenna for Orbiting Astronomical Satellite for Investigating Stellar Systems (OASIS) mission. In SPIE, 11820, 9.
- Walker, C. K. (2021, August). Orbiting Astronomical Satellite for Investigating Stellar Systems: OASIS. In SPIE, 1180, 52 pp.
- Green, R. F., Allen, L., Alvarez Del Castillo, E. M., Brocious, D. K., Corbally, C. J., Davis, D. R., Falco, E. E., Gabor, P., Hall, J. C., Jannuzi, B., Larson, S. M., Mighell, K. J., Nance, C., Shankland, P. D., Walker, C. E., Williams, G., & Zaritsky, D. F. (2014, jan). Progress in Dark Sky Protection in Southern Arizona. In American Astronomical Society Meeting Abstracts, 223, #413.05.
- Pompea, S. M., Walker, C. E., Dugan, C., Roddy, W. T., & Newhouse, M. (2014, jan). Dark Skies Yuma: An NOAO and APS Program on Light Pollution Education. In American Astronomical Society Meeting Abstracts, 223, #413.04.
- Towner, A. P., Walker, C. K., Tolls, V., & Martin, C. D. (2014, jan). A Possible Protostar in IGGC 22. In American Astronomical Society Meeting Abstracts, 223, #454.36.
- Walker, C. E., & Green, R. F. (2014, jan). IAU Commission 50 on Astronomical Site Protection. In American Astronomical Society Meeting Abstracts, 223, #413.07.
- Jensen, L. J., & Walker, C. E. (2013, jan). Characterizing Sky Brightness Throughout the Night in and around Tucson Arizona. In American Astronomical Society Meeting Abstracts, 221, #156.04.
- Newhouse, M. A., Walker, C. E., Boss, S. K., & Hennig, A. J. (2013, apr). Mobilizing the GLOBE at Night Citizen-Scientist. In Communicating Science: A National Conference on Science Education and Public Outreach, 473, 295.
- Pompea, S. M., Sparks, R. T., Dugan, C., & Walker, C. E. (2013, jan). Lessons Learned from the Arizona Galileoscope Star Party Program. In American Astronomical Society Meeting Abstracts, 221, #201.02.