Kepler-432
Kepler-432 is a binary star system with at least two planets in orbit around the primary companion, located about 2,830 light-years away from Earth.
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Cygnus |
| Right ascension | 19h 33m 07.7292s |
| Declination | +48° 17′ 09.1454″ |
| Apparent magnitude (V) | 13 |
| Characteristics | |
| Evolutionary stage | Giant star + Main sequence |
| Spectral type | K2III + M?V |
| Astrometry | |
| Proper motion (μ) | RA: 4.531±0.045 mas/yr Dec.: 10.120±0.044 mas/yr |
| Parallax (π) | 1.1509 ± 0.0278 mas |
| Distance | 2,830 ± 70 ly (870 ± 20 pc) |
| Orbit | |
| Primary | Kepler-432 A |
| Companion | Kepler-432 B |
| Period (P) | 15,000 yr |
| Details | |
| Kepler-432 A | |
| Mass | 1.32+0.10 −0.07 M☉ |
| Radius | 4.06+0.12 −0.08 R☉ |
| Luminosity | 9.206 ± 0.01 L☉ |
| Surface gravity (log g) | 3.345 ± 0.006 cgs |
| Temperature | 4995 ± 78 K |
| Metallicity [Fe/H] | 0.176 ± 0.07 dex |
| Rotational velocity (v sin i) | 2.7 ± 0.5 km/s |
| Age | 4.2+0.8 −1.0 Gyr |
| Kepler-432 B | |
| Mass | ~0.52 M☉ |
| Temperature | ~3660 K |
| Age | 4.2? Gyr |
| Position (relative to Kepler-432 A) | |
| Component | Kepler-432 B |
| Projected separation | ~750 AU |
| Other designations | |
| Database references | |
| SIMBAD | data |
| KIC | data |
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