Kepler-23
From Infogalactic: the planetary knowledge core
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A diagram of the Kepler-23 System, compared to our Inner Solar System. |
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| Observation data Epoch J2000 Equinox J2000 |
|
|---|---|
| Constellation | Cygnus[1] |
| Right ascension | 19h 36m 52.0s |
| Declination | +49° 28′ 45″ |
| Apparent magnitude (V) | 14.0[2] |
| Characteristics | |
| Spectral type | G5[3] |
| Astrometry | |
| Distance | 620[3] ly (190 pc) |
| Details | |
| Mass | 1.11[2] M☉ |
| Radius | 1.52 ± 0.24[2] R☉ |
| Luminosity | 0.79 ± 0.04[2] L☉ |
| Temperature | 5760 ± 124[2] K |
| Metallicity [Fe/H] | –0.09 ± 0.14[2] dex |
| Rotational velocity (v sin i) | [2] km/s |
| Other designations | |
Kepler-23 is a star in the northern constellation of Cygnus, the swan, that is orbited by a planet found to be unequivocally within the star's habitable zone. It is located at the celestial coordinates: Right Ascension 19h 36m 52.0s, Declination +49° 28′ 45″.[4] With an apparent visual magnitude of 14.0,[2] this star is too faint to be seen with the naked eye.
| Companion (in order from star) |
Mass | Semimajor axis (AU) |
Orbital period (days) |
Eccentricity | Inclination | Radius |
|---|---|---|---|---|---|---|
| b | < 0.8 MJ | 0.099 | 7.1073 | — | — | 1.9 R⊕ |
| c | < 2.7 MJ | 0.08 | 10.7421 | — | — | 3.2 R⊕ |
References
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