Kepler-25
Kepler-25 is a star in the northern constellation of Lyra. It is slightly larger and more massive than the Sun, with a luminosity 21⁄2 times that of the Sun. With an apparent visual magnitude of 10.6, this star is too faint to be seen with the naked eye.
Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Lyra |
Right ascension | 19h 06m 33.2143s |
Declination | +39° 29′ 16.358″ |
Apparent magnitude (V) | 10.623±0.053 |
Characteristics | |
Spectral type | F |
Apparent magnitude (B) | 11.337±0.016 |
Variable type | Planetary transit variable |
Astrometry | |
Proper motion (μ) | RA: −0.455±0.040 mas/yr Dec.: 6.169±0.044 mas/yr |
Parallax (π) | 4.0822 ± 0.0236 mas |
Distance | 799 ± 5 ly (245 ± 1 pc) |
Details | |
Mass | 1.159+0.040 −0.051 M☉ |
Radius | 1.297±0.015 R☉ |
Luminosity | 2.406+0.126 −0.128 L☉ |
Surface gravity (log g) | 4.275+0.007 −0.008 cgs |
Temperature | 6270±79 K |
Metallicity [Fe/H] | −0.05±0.10 dex |
Rotation | 23.147±0.039 days |
Rotational velocity (v sin i) | 9.5 km/s |
Age | 3.45+0.81 −0.72 Gyr |
Other designations | |
Database references | |
SIMBAD | data |
KIC | data |
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