Kepler-1625
Star with exoplanet and a potential exomoon / From Wikipedia, the free encyclopedia
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Kepler-1625 is a 14th-magnitude solar-mass star located in the constellation of Cygnus approximately 7,200 light-years (2,200 parsecs) away. Its mass is within 5% of that of the Sun, but its radius is approximately 70% larger reflecting its more evolved state. A candidate gas giant exoplanet was detected by the Kepler Mission around the star in 2015,[5] which was later validated as a real planet to >99% confidence in 2016.[6] In 2018, the Hunt for Exomoons with Kepler project reported evidence for a Neptune-sized exomoon around this planet, based on observations from NASA’s Kepler mission and the Hubble Space Telescope.[7][3] Subsequently, the evidence for and reality of this exomoon candidate has been subject to debate.[8][9][10][11]
Observation data Epoch J2000.0 Equinox J2000.0 | |
---|---|
Constellation | Cygnus |
Right ascension | 19h 41m 43.04008s[1] |
Declination | +39° 53′ 11.4990″[1] |
Characteristics | |
Apparent magnitude (K) | 13.916[2] |
Astrometry | |
Proper motion (μ) | RA: −2.088(32) mas/yr[1] Dec.: −4.804(32) mas/yr[1] |
Parallax (π) | 0.4548 ± 0.0289 mas[1] |
Distance | 7,200 ± 500 ly (2,200 ± 100 pc) |
Details | |
Mass | 1.04±0.08[3] M☉ |
Radius | 1.73±0.24[3] R☉ |
Luminosity (bolometric) | 2.57±0.68[3] L☉ |
Surface gravity (log g) | 3.99±0.10[3] cgs |
Temperature | 5563±86[3] K |
Metallicity [Fe/H] | 0.06±0.13[3] dex |
Age | 8.7±2.1[3] Gyr |
Other designations | |
Database references | |
SIMBAD | data |