Kepler-16

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Double star
Kepler-16
Kepler-16 system
Kepler-16 system
AladinLite
Observation
dates equinoxJ2000.0 , epoch : J2000.0
Constellation swan
Right ascension 19 h 16 m 18.18 s
declination + 51 ° 5 ′ 26.8 ″
Typing
Known exoplanets 1
Spectral class K7 V
Variable star type EA + EP 
Astrometry
Radial velocity (−32.4 ± 2.6) km / s
parallax 13.29 ± 0.03  mas
distance (245 ± 1)  ly
(75)  pc
Proper movement 
Rec. Share: (14.04 ± 0.05)  mas / a
Dec. portion: (−48.6 ± 0.05)  mas / a
Physical Properties
Dimensions (0.690 ± 0.004)  M
radius (0.649 ± 0.001)  R
Effective temperature (4450 ± 150)  K.
Metallicity [Fe / H] (−0.3 ± 0.2)
Other names
and catalog entries
2MASS catalog 2MASS J19161817 + 5145267 [1]
Other names KOI-1611 • KIC 12644769

Kepler-16 is a double star in the constellation Swan . The system is orbited by a circumbinary exoplanet called Kepler-16b .

Star system

Kepler-16 (AB) are spectroscopic binary stars , the individual components of which could not yet be broken down. The system is counted among the Algol stars due to the variability of the eclipse .

Light course at Kepler-16 (variability of coverage)

Exoplanet

Kepler-16b is a Exoplanet with a mass of about 0.3 M J . It orbits the two central stars with a period of 228 days at a distance of about 0.7 AU with an eccentricity of about 0.007. Kepler-16b was discovered using the transit method through the Kepler telescope . His discovery was published in 2011.

Light path of the planet Kepler-16b

Web links

Commons : Kepler-16b  - collection of images, videos and audio files

Individual evidence

  1. a b c d e Kepler-16. In: SIMBAD . Center de Données astronomiques de Strasbourg , accessed on August 27, 2018 .
  2. KID 12644769. In: VSX. AAVSO, accessed August 27, 2018 .
  3. Nasa Exoplanet Archives
  4. a b c Exoplanet.eu