This is a list of
exoplanet
An exoplanet or extrasolar planet is a planet outside the Solar System. The first possible evidence of an exoplanet was noted in 1917 but was not recognized as such. The first confirmation of detection occurred in 1992. A different planet, init ...
discoveries that were the first by several criteria, including:
* the
detection method used,
* the
planet type,
* the
planetary system
A planetary system is a set of gravitationally bound non- stellar objects in or out of orbit around a star or star system. Generally speaking, systems with one or more planets constitute a planetary system, although such systems may also consi ...
type,
* the
star type,
and others.
The first
The choice of "first" depends on definition and confirmation, as below. The three systems detected prior to 1994 each have a drawback, with
Gamma Cephei b being unconfirmed until 2002; while the
PSR B1257+12
PSR B1257+12, previously designated PSR 1257+12, alternatively designated PSR J1300+1240, is a millisecond pulsar located 2,300 light-years from the Sun in the constellation of Virgo, rotating at about 161 times per second (faster tha ...
planets orbit a pulsar. This leaves
51 Pegasi b
51 Pegasi b, officially named Dimidium , and formerly unofficially dubbed Bellerophon , is an extrasolar planet approximately away in the constellation of Pegasus. It was the first exoplanet to be discovered orbiting a main-sequence star, the ...
(discovered and confirmed 1995) as the first confirmed exoplanet around a normal star.
By discovery method
By detection method
By system type
By star type
By planet type
Other
See also
*
List of exoplanets
These are lists of exoplanets. Most of these were discovered by the Kepler space telescope. There are an additional 2,054 potential exoplanets from Kepler's first mission yet to be confirmed, as well as 978 from its " Second Light" mission and ...
*
List of exoplanet extremes
*
Most earth-like exoplanets
Notes
References
{{exoplanets
*Planetary firsts
Extrasolar planet firsts
Extrasolar planets
An exoplanet or extrasolar planet is a planet outside the Solar System. The first possible evidence of an exoplanet was noted in 1917 but was not recognized as such. The first confirmation of detection occurred in 1992. A different planet, in ...
Extrasolar planet firsts
Firsts
First or 1st is the ordinal form of the number one (#1).
First or 1st may also refer to:
*World record, specifically the first instance of a particular achievement
Arts and media Music
* 1$T, American rapper, singer-songwriter, DJ, and reco ...