Madsen, Chad
Astrophysicist
0000-0001-8775-913X
Madsen, Chad
Astrophysicist
Dr. Madsen's areas of expertise include: observational solar astronomy, ultraviolet and near-infrared spectroscopy of the Sun, small-scale energetic phenomena of the solar chromosphere and transition region, physics of partially ionized plasmas, airborne solar eclipse observations, and efficiency modeling of diffraction gratings.
Positions
- Astrophysicist, Center for Astrophysics | Harvard and Smithsonian 2020 -
- Astronomer (Postdoctoral Researcher), Center for Astrophysics | Harvard and Smithsonian 2017 - 2020
- Postdoctoral Fellow, Center for Astrophysics | Harvard and Smithsonian 2017
- Predoctoral Fellow, Center for Astrophysics | Harvard and Smithsonian 2014 - 2016
- Visting Student Scientist, Center for Astrophysics | Harvard and Smithsonian 2014
Geographic Focus
- United States Country
Background And Education
Education And Training
- Ph.D. in Astronomy, Boston University , Dissertation Title - "Waves, Bursts, and Instabilities: A Multi-scale Investigation of Energetic Plasma Processes in the Solar Chromosphere and Transition Region" 2017
- M.A. in Astronomy, Boston University 2012
- B.A. in Mathematics, Boston University 2009
- B.A. in Astronomy & Physics, Boston University 2009
Research And Grants
Co-principal Investigator On
Investigator On
Other Research Activities
- The Airborne Stabilized Platform for Infrared Experiments [ASPIRE] Mission Instrument Operation, Calibration, and Testing 2020 -
- The Marshall Grazing Incidence X-ray Spectrometer [MaGIXS] Mission Diffraction Grating Development 2018 -
- The Airborne Infrared Spectrometer [AIR-Spec] Mission Data Scientist 2016 -
- Interface Region Imaging Spectrograph [IRIS] Mission Calibration and Science Prep 2015 -
- Coronal Spectroscopic Imager in the EUV [COSIE] Mission Diffraction Grating Development 2017 - 2019
Publications
Selected Publications
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Article
- Del Zanna, Giulio, Samra, Jenna, Monaghan, Austin, Madsen, Chad, Bryans, Paul, DeLuca, Edward, Mason, Helen, Berkey, Ben, de Wijn, Alfred, and Rivera, Yeimy J. 2023. "Coronal Densities, Temperatures, and Abundances during the 2019 Total Solar Eclipse: The Role of Multiwavelength Observations in Coronal Plasma Characterization." The Astrophysical Journal Supplement Series, 265 11. https://doi.org/10.3847/1538-4365/acad68. 2023
- Savage, Sabrina L., Winebarger, Amy R., Kobayashi, Ken, Athiray, P. S., Beabout, Dyana, Golub, Leon, Walsh, Robert W., Beabout, Brent, Bradshaw, Stephen, Bruccoleri, Alexander R., Champey, Patrick R., Cheimets, Peter, Cirtain, Jonathan, DeLuca, Edward E., Del Zanna, Giulio, Dudík, Jaroslav, Guillory, Anthony, Haight, Harlan, Heilmann, Ralf K., Hertz, Edward, Hogue, William, Kegley, Jeffery, Kolodziejczak, Jeffery, Madsen, Chad, Mason, Helen et al. 2023. "The First Flight of the Marshall Grazing Incidence X-Ray Spectrometer (MaGIXS)." The Astrophysical Journal, 945 105. https://doi.org/10.3847/1538-4357/acbb58. 2023
- Samra, Jenna E., Madsen, Chad A., Cheimets, Peter, DeLuca, Edward E., Golub, Leon, Marquez, Vanessa, and Reyes, Naylynn Tañón. 2022. "New Observations of the IR Emission Corona from the 2019 July 2 Eclipse Flight of the Airborne Infrared Spectrometer." The Astrophysical Journal, 933 82. https://doi.org/10.3847/1538-4357/ac6ce8. 2022
- Samra, Jenna E., Marquez, Vanessa, Cheimets, Peter, DeLuca, Edward E., Golub, Leon, Hannigan, James W., Madsen, Chad A., Vira, Alisha, and Adams, Arn. 2022. "The Airborne Infrared Spectrometer: Development, Characterization, and the 2017 August 21 Eclipse Observation." The Astronomical Journal, 164 39. https://doi.org/10.3847/1538-3881/ac7218. 2022
- Athiray, P. S., Winebarger, Amy R., Champey, Patrick, Kobayashi, Ken, Savage, Sabrina, Beabout, Brent, Beabout, Dyana, Broadway, David, Bruccoleri, Alexander R., Cheimets, Peter, Golub, Leon, Gullikson, Eric, Haight, Harlan, Heilmann, Ralf K., Hertz, Edward, Hogue, William, Johnson, Steven, Kegley, Jeffrey, Kolodziejczak, Jeffery, Madsen, Chad, Schattenburg, Mark L., Siler, Richard, Vigil, Genevieve D., and Wright, Ernest. 2021. "Calibration of the Marshall Grazing Incidence X-Ray Spectrometer Experiment. II. Flight Instrument Calibration." The Astrophysical Journal, 922 65. https://doi.org/10.3847/1538-4357/ac2367. 2021
- Golub, Leon, Cheimets, Peter, DeLuca, Edward E., Madsen, Chad A., Reeves, Katharine K., Samra, Jenna, Savage, Sabrina, Winebarger, Amy, and Bruccoleri, Alexander R. 2020. "EUV imaging and spectroscopy for improved space weather forecasting." Journal of Space Weather and Space Climate, 10 Article 37. https://doi.org/10.1051/swsc/2020040. 2020
- Madsen, Chad A., Samra, Jenna E., Del Zanna, Giulio, and DeLuca, Edward E. 2019. "Coronal Plasma Characterization via Coordinated Infrared and Extreme Ultraviolet Observations of a Total Solar Eclipse." The Astrophysical Journal, 880, (2) 102. https://doi.org/10.3847/1538-4357/ab2b3c. 2019
- Judge, Philip, Berkey, Ben, Boll, Alyssa, Bryans, Paul, Burkepile, Joan, Cheimets, Peter, DeLuca, Edward, de Toma, Giuliana, Gibson, Keon, Golub, Leon, Hannigan, James, Madsen, Chad, Marquez, Vanessa, Richards, Austin, Samra, Jenna, Sewell, Scott, Tomczyk, Steven, and Vera, Alysha. 2019. "Solar Eclipse Observations from the Ground and Air from 0.31 to 5.5 Microns." Solar Physics, 294 166. https://doi.org/10.1007/s11207-019-1550-3. 2019
- Winebarger, Amy R., Weber, Mark, Bethge, Christian, Downs, Cooper, Golub, Leon, DeLuca, Edward, Savage, Sabrina, Zanna, Giulio del, Samra, Jenna, Madsen, Chad, Ashraf, Afra, and Carter, Courtney. 2019. "Unfolding Overlapped Slitless Imaging Spectrometer Data for Extended Sources." The Astrophysical Journal, 882, (1) 12. https://doi.org/10.3847/1538-4357/ab21db. 2019
- Wülser, J. P., Jaeggli, S., De Pontieu, B., Tarbell, T., Boerner, P., Freeland, S., Liu, W., Timmons, R., Brannon, S., Kankelborg, C., Madsen, Chad, McKillop, Sean, Prchlik, Jakub, Saar, Steven, Schanche, Nicole E., Testa, P., Bryans, P., and Wiesmann, M. 2018. "Instrument Calibration of the Interface Region Imaging Spectrograph (IRIS) Mission." Solar Physics, 293 Article 149. https://doi.org/10.1007/s11207-018-1364-8. 2018
- Young, Peter R., Tian, Hui, Peter, Hardi, Rutten, Robert J., Nelson, Chris J., Huang, Zhenghua, Schmieder, Brigitte, Vissers, Gregal J. M., Toriumi, Shin, Rouppe van der Voort,Luc H.M., Madjarska, Maria S., Danilovic, Sanja, Berlicki, Arkadiusz, Chitta, L. P., Cheung, Mark C. M., Madsen, Chad A., Reardon, Kevin P., Katsukawa, Yukio, and Heinzel, Petr. 2018. "Solar Ultraviolet Bursts." Space Science Reviews, 214 120. https://doi.org/10.1007/s11214-018-0551-0. 2018
- Tian, Hui, Xu, Zhi, He, Jiansen, and Madsen, Chad. 2016. "Are Iris Bombs Connected to Ellerman Bombs?" The Astrophysical Journal, 824, (2) 96. https://doi.org/10.3847/0004-637X/824/2/96. 2016
- Madsen, Chad A., Tian, Hui, and DeLuca, Edward E. 2015. "Observations of Umbral Flashes and Running Sunspot Waves with the Interface Region Imaging Spectrograph." The Astrophysical Journal, 800 129. https://doi.org/10.1088/0004-637X/800/2/129. 2015
- Madsen, Chad A., Dimant, Yakov S., Oppenheim, Meers M., and Fontenla, Juan M. 2014. "The Multi-Species Farley-Buneman Instability in the Solar Chromosphere." The Astrophysical Journal, 783, (2) 128. https://doi.org/10.1088/0004-637X/783/2/128. 2014
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Thesis
- Madsen, Chad A. 2017. "Waves, Bursts, and Instabilities: A Multi-scale Investigation of Energetic Plasma Processes in the Solar Chromosphere and Transition Region." PhD, Boston University. 2017
Activities
Outreach Overview
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Summer Solar REU Co-director, 2020 - Present
Summer Solar REU Advisor, 2015 - Present
Advisor of:
- Carolyn Wendeln, Michigan State University, 2015
- Heidi Sager, Brigham Young University - Idaho, 2016
- Kimberly Belmes, Pacific Lutheran University, 2017
- Amanda Bacon, Bennington College, 2018
- Naylynn Tañón Reyes, San Diego Mesa College, 2019
- Fiona Conneely, University of San Francisco, 2020
Spanish-language solar eclipse outreach mission with US Department of State in Lima, Peru, 2019
Teaching Overview
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Teaching Fellow, Boston University, Boston, MA, USA:
AS101 - The Solar System
AS202 - Principles of Astronomy I
AS203 - Principles of Astronomy II
Reviewer Of
- Article in Astronomy & Astrophysics (Journal Article)
- Article in Astrophysical Journal (Journal Article)
- Article in MDPI's Algorithms (Journal Article)
- Article in Nature Physics (Journal Article)
Affiliation
Member Of
- American Geophysical Union Standard Member
Contact
Location
- Smithsonian Astrophysical Observatory Academic Department
Mailing Address
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60 Garden St.
MS 58
Cambridge, MA 02138
