51 Pegasi b
51 Pegasi b: primer exoplaneta en una estrella de tipo solar
- Date
- 1995 · confidence high
- Place
- Haute-Provence Observatory, France
- Credited to
- Michel Mayor, Didier Queloz
- People
- 👤 Didier Queloz1966–👤 Michel Mayor1942–
- Field
- Cosmos & Earth
What was discovered
Using radial velocity, Mayor and Queloz found a Jupiter-mass planet orbiting its star every 4.2 days: a 'hot Jupiter' nobody expected. It inaugurated the exoplanet era.
Confirmed days later by Marcy and Butler from Lick.
What it led to
- Thousands of exoplanets
- Theory of planetary migration
- 2019 Nobel Prize in Physics
Built on
Made possible
- Kepler mission exoplanet census2009-2018
- Proxima Centauri b2016
- Radial-velocity spectrographs (ELODIE, HARPS)