Dr. Kaspar von Braun is an astrophysicist at Lowell Observatory. He received his PhD from the University of Michigan in 2002 with a study of eclipsing binary stars in Galactic globular clusters. Since then, he has changed to the field of exoplanets, working on detection and characterization of transiting exoplanets. His current work involves the interferometric analysis of exoplanet host stars to gain information on the planets themselves — you understand the exoplanet only as well as the host star, if you are lucky.
Boyajian, T. S., et al. 2014, “Stellar Diameters and Temperatures VI. High angular resolution measurements of the exoplanet host stars HD 189733 and HD 209458 and implications for models of cool dwarfs”, in press at Monthly Notices of the Royal Astronomical Society.
Howard, A. W., et al. “The NASA-UC-UH Eta-Earth Program: IV. A Low-mass Planet Orbiting an M Dwarf 3.6 PC from Earth,” The Astrophysical Journal (2014).
von Braun, K., et al. “Stellar Diameters and Temperatures V. Eleven Newly Characterized Exoplanet Host Stars,” Monthly Notices of the Royal Astronomical Society (2014).
Boyajian, T. S., et al. “Stellar Diameters and Temperatures II. Main Sequence K & M Stars,” The Astrophysical Journal (2012).
von Braun, K., et al. “The GJ 436 System: Directly Determined Astrophysical Parameters of an M-Dwarf and Implications for the Transiting Hot Neptune,” The Astrophysical Journal (2012).
von Braun, K, et al., “55 Cancri: Stellar Astrophysical Parameters, a Planet in the Habitable Zone, and Implications for the Radius of a Transiting Super-Earth,” The Astrophysical Journal (2011).
von Braun, K., et al, “Astrophysical Parameters and Habitable Zone of the Exoplanet Hosting Star GJ 581,” The Astrophysical Journal (2011).
von Braun, K., Kane, S. R., & Ciardi, D. R., “Observational Window Functions in Planet Transit Searches,” The Astrophysical Journal (2009).
van Belle, G. T. & von Braun, K., “Directly Determined Linear Radii and Effective Temperatures of Exoplanet Host Stars,” The Astrophysical Journal (2009).
Grillmair, C., et al. “Strong Water Absorption in the Dayside Emission Spectrum of the Exoplanet HD 189733b,” Nature (2008).
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