He was also involved in the discovery of over 4,329 asteroids, including the Apollo asteroids (1864) Daedalus and (5011) Ptah , the Amorasteroid (4587) Rees , and several asteroids belonging to the Trojan group .
He made most of his later discoveries together with the astronomer couple Cornelis Johannes van Houten and Ingrid van Houten-Groeneveld as part of the Palomar-Leiden Survey . Here Gehrels made extensive images of the sky with the 48 '' - Schmidt camera of the Mount Palomar Observatory . The photographic plates were shipped to the Netherlands and analyzed at the University of Leiden to determine asteroids.
During the Second World War Gehrels was a member of the Dutch resistance.
Tom Gehrels is the father of Neil Gehrels .
- On the Glassy Sea: An Astronomer's Journey , Tom Gehrels, ISBN 0-88318-598-9
- A review of comet and asteroid statistics , Tom Gehrels, Earth Planets Space, 51, 1999 ( PDF )
|BRIEF DESCRIPTION||Dutch-American astronomer|
|DATE OF BIRTH||February 21, 1925|
|PLACE OF BIRTH||Haarlemmermeer|
|DATE OF DEATH||July 11, 2011|
|Place of death||Tucson|