Answer the following question: Facts: - caption: queloz , residenz , munich , october 11 , 2012 . at the european southern observatory 50th anniversary gala - birth date: february 23 , 1966 - name: didier queloz - nationality: swiss - image: didier - 01.jpg queloz at the eso 50th anniversary gala event - occupation: astronomer Based on these bullet points, write a short biography describing the life of didier queloz .
Answer:
didier queloz -lrb- born february 23 , 1966 -rrb- is a geneva-based astronomer with a prolific record in finding extrasolar planets .didier queloz was a ph.d. student at the university of geneva when he and michel mayor discovered the first exoplanet around a main sequence star .queloz performed an analysis on 51 pegasi using radial velocity measurements -lrb- doppler effect -rrb- , and was astonished to find a planet with an orbital period of 4.2 days .he had been performing the analysis as an exercise to hone his skills .the planet , 51 pegasi b , challenged the then accepted views of planetary formation , being a hot jupiter or roaster .he has received the 2011 bbva foundation frontiers of knowledge award of basic sciences -lrb- co-winner with michel mayor -rrb- for developing new astronomical instruments and experimental techniques that led to the first observation of planets outside the solar system .