John Asher Johnson
Center for Astrophysics Harvard & Smithsonian, Harvard College Observatory
Papers
3
Total Citations
62
H-Index
3
About
John Asher Johnson is a leading figure in exoplanet science, best known for his pioneering work in the design and deployment of dedicated ground-based observatories for exoplanet detection and characterization. His primary research areas include the development of high-precision radial velocity instrumentation and the photometric follow-up of transiting planets. Johnson's most significant contributions center on the Miniature Exoplanet Radial Velocity Array (MINERVA), a U.S.-based robotic facility he helped design and commission, which uses four 0.7-meter telescopes for high-resolution spectroscopy of bright stars. He later expanded this vision to the Southern Hemisphere with MINERVA-Australis, a facility uniquely dedicated to confirming and measuring the masses of planets discovered by NASA's TESS mission. While his most-cited papers (with 37 and 21 citations, respectively) detail these instrumental achievements, his broader impact is reflected in his leadership of a project that fills a critical niche in exoplanet follow-up. Johnson's work has been instrumental in bridging the gap between transit surveys and radial velocity mass measurements, enabling the characterization of dozens of new worlds and training a generation of astronomers in the art of building and operating cutting-edge observatories.
Research Focus
Key Achievements
Top Papers
- 1Miniature Exoplanet Radial Velocity Array I: design, commissioning, and early photometric results37 citations · 2015
- 2MINERVA-Australis. I. Design, Commissioning, and First Photometric Results21 citations · 2019
- 3