Bonnard J. Teegarden

Bonnard John Teegarden is an American astrophysicist formerly with NASA's Goddard Space Flight Center, now retired. He has spent most of his career studying cosmic gamma rays but he is best known to the public for leading the team that discovered Teegarden's star in 2003.
Education

Rumson-Fair Haven High School in Rumson, New Jersey in 1958.
Bachelor of science, Massachusetts Institute of Technology, 1962.
Doctor of philosophy, University of Maryland, 1967.




Thesis: A Study of Low Energy Galactic Cosmic Rays.
Advisor: Frank B. McDonald.



The discovery of Teegarden's star
The discovery of Teegarden's star came as somewhat of a surprise as no close-by stars had been discovered for many decades. Teegarden's team found this star in data taken years earlier by an unrelated program searching for near Earth asteroids. The real excitement was from the initial measurements the team...