Kepler 442
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Star Kepler-442 |
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| AladinLite | |||||
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Observation dates equinox : J2000.0 , epoch : J2000.0 |
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| Constellation | lyre | ||||
| Right ascension | 19 h 01 m 28 s | ||||
| declination | + 39 ° 16 ′ 48 ″ | ||||
| Apparent brightness | 7.73 likes | ||||
| Typing | |||||
| Known exoplanets | 1 | ||||
| Spectral class | K | ||||
| Astrometry | |||||
| distance | 342 ± 22 pc | ||||
| Physical Properties | |||||
| Dimensions | 0.609 ± 0.03 M ☉ | ||||
| radius | 0.598 ± 0.024 R ☉ | ||||
| Metallicity [Fe / H] | −0.37 (± 0.1) | ||||
| Age | 2.9 + 0.2−8.1Billion a | ||||
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Other names and catalog entries |
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Kepler-442 is a star of spectral type K in the constellation Lyra , the approximately 1,120 light-years from the sun away. The star is at least one exoplanet orbits, whose discovery on January 6, 2015 as part of the Kepler mission of NASA was announced. The planet with the designation Kepler-442b is slightly larger than Earth and is very likely to be in the habitable zone of Kepler-442.
Individual evidence
- ↑ a b c d e f g h The Extrasolar Planet Encyclopaedia: Planet Kepler-442 b. Retrieved April 7, 2015 .
- ↑ Paul Gilster: AAS: 8 New Planets in Habitable Zone. Retrieved April 7, 2015 .
- ↑ Jet Propulsion Laboratory: NASA's Kepler Marks 1,000th Exoplanet Discovery, Uncovers More Small Worlds in Habitable Zones. Retrieved April 7, 2015 .
- ↑ The Guardian: Kepler 438b: Most Earth-like planet ever discovered could be home for alien life. Retrieved April 7, 2015 .
- ^ Spiegel Online: Life-friendly zone: Researchers discover eight earth-like planets. Retrieved April 7, 2015 .