Kepler-9

Kepler-9 is a sunlike star in the constellation Lyra. Its planetary system, discovered by the Kepler Mission in 2010 was the first detected with the transit method found to contain multiple planets.

Astronomical data · SIMBAD

Object type: Er*
Spectral type: G2
Distance: 2,061 light-years
Redshift: z = 0.000008749758060311308
Coordinates: RA 285.5740° · Dec 38.4009°

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Wikidata facts

Distance from Earth: 614
Diameter: 1520000
Radius: 0.96
Mass: 1.02
Image: Kepler-9 Worlds on the Edge.jpg

Show 16 more facts

metallicity: 0.07
spectral class: G2
catalog code: KIC 3323887
effective temperature: 5774
apparent magnitude: 13.791
parallax: 1.5823
stellar rotational velocity: 1.1
surface gravity: 34000
luminosity: 0.9383876
right ascension component of proper motion: 2.472
declination component of proper motion: -14.691
right ascension: 285.57397680299994
declination: 38.40088245886
Commons category: Kepler-9
radial velocity: 3.09
age estimated by a dating method: 2

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Article

6 sections

Contents

Nomenclature and history
Characteristics
Planetary system
See also
References
External links

Kepler-9 is a sunlike star in the constellation Lyra. Its planetary system, discovered by the Kepler Mission in 2010 was the first detected with the transit method found to contain multiple planets.

==Nomenclature and history== Kepler-9 was named for the Kepler Mission, a project headed by NASA that was designed to search for Earth-like planets.